Polygoni Stock Photos and Images

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Polygoni Stock Photos and Images

Japanese Knotweed Fallopia japonica Leaf Spot Fungus Mycosphaerella polygoni-cuspidati being used as a potential control agent for this invasive plant Stock Photo

RMJMK599–Japanese Knotweed Fallopia japonica Leaf Spot Fungus Mycosphaerella polygoni-cuspidati being used as a potential control agent for this invasive plant

Gastrophysa polygoni leaf beetle sitting on dock leaf. Tipperary, Ireland Stock Photo

RFPJB1PJ–Gastrophysa polygoni leaf beetle sitting on dock leaf. Tipperary, Ireland

RMJRARB0–

RFT85W62–Leaf beetle

RFJRARA5–

RMJKK00F–Comma butterfly7

Aspidaphis polygoni. 7 Oct 20151 Stock Photo

RM2BF6JTR–Aspidaphis polygoni. 7 Oct 20151

top view herb BianXu or Polygoni Avicularis Herba or Common Knotgrass Herb Stock Photo

RF2GAA3FE–top view herb BianXu or Polygoni Avicularis Herba or Common Knotgrass Herb

Tricaudatus polygoni tuberculatus. 7 Oct 20151 Stock Photo

RM2BF6E8C–Tricaudatus polygoni tuberculatus. 7 Oct 20151

Portrait of a blue Leaf Beetle with orange pronotum and legs, green background (Knotweed Leaf Beetle, Gastrophysa polygoni) Stock Photo

RF2T3HFFX–Portrait of a blue Leaf Beetle with orange pronotum and legs, green background (Knotweed Leaf Beetle, Gastrophysa polygoni)

Polygonium multiflori radix (Polygoni multiflori radix) Stock Photo

RM2FKMHNP–Polygonium multiflori radix (Polygoni multiflori radix)

Background of dry knotweed herb used in herbal medicine. The concept of herbal treatment. Bian Xu. The active substance is Polygoni avicularis herba Stock Photo

RF2PK081X–Background of dry knotweed herb used in herbal medicine. The concept of herbal treatment. Bian Xu. The active substance is Polygoni avicularis herba

RM2R90ERY–Polygonium multiflori radix (Polygoni multiflori radix)

A small amount of radix polygoni multiflori cane Stock Photo

RF2J68939–A small amount of radix polygoni multiflori cane

Powdery mildew (Erysiphe pisi) infection and mycelium on a pea leaf Stock Photo

RMAT4RFC–Powdery mildew (Erysiphe pisi) infection and mycelium on a pea leaf

Tuber Fleeceflower Root / He Shou Wu Stock Photo

RMB29P54–Tuber Fleeceflower Root / He Shou Wu

RFDJ4XPC–Formica cinarea with prey

RFM74FMC–beetle bug

Pinned, Florissant, Colorado, United States, Andrena polygoni Viereck & Cockerell, 1914, Animalia, Arthropoda, Insecta, Hymenoptera, Andrenidae Stock Photo

RM2D7ADN2–Pinned, Florissant, Colorado, United States, Andrena polygoni Viereck & Cockerell, 1914, Animalia, Arthropoda, Insecta, Hymenoptera, Andrenidae

Aspidaphis polygoni. 6 Oct 20151 Aspidaphis polygoni Stock Photo

RM2BCYB2P–Aspidaphis polygoni. 6 Oct 20151 Aspidaphis polygoni

Dorsal view of Leaf Beetle (Gastrophysa polygoni) perched on tip of dock leaf. Tipperary, Ireland Stock Photo

RFPNB6DW–Dorsal view of Leaf Beetle (Gastrophysa polygoni) perched on tip of dock leaf. Tipperary, Ireland

Leaf beetle species Gastrophysa polygoni, trivial name: knotweed leaf beetle. Stock Photo

RF2J26J9T–Leaf beetle species Gastrophysa polygoni, trivial name: knotweed leaf beetle.

Archive image from page 121 of Danmarks fauna; illustrerede haandbøger over. Danmarks fauna; illustrerede haandbøger over den danske dyreverden.. danmarksfaunaill31dans Year: 1907 114 særlig tæt. Vingedækkerne som Regel kraftigere og tæt- tere punkterede end Pronotum. Længde 4—6 mm. : 1. Fodled udvidet. Temmelig sjælden, men meget udbredt og ofte i stort Antal. Paa Arter af Skræppe (Rumex), bl. a. Vandskræppe (R. hydrolapathum). Maj—August. Larver er fundne d. Ve; de forpuppede sig d. '/e, og Imago fremkom 2. G. polygoni L. (Fig.28). Mørkt metal- blaa, Pronotum, Bag- kropsspidsen og Be- nene Stock Photo

RMW230MA–Archive image from page 121 of Danmarks fauna; illustrerede haandbøger over. Danmarks fauna; illustrerede haandbøger over den danske dyreverden.. danmarksfaunaill31dans Year: 1907 114 særlig tæt. Vingedækkerne som Regel kraftigere og tæt- tere punkterede end Pronotum. Længde 4—6 mm. : 1. Fodled udvidet. Temmelig sjælden, men meget udbredt og ofte i stort Antal. Paa Arter af Skræppe (Rumex), bl. a. Vandskræppe (R. hydrolapathum). Maj—August. Larver er fundne d. Ve; de forpuppede sig d. '/e, og Imago fremkom 2. G. polygoni L. (Fig.28). Mørkt metal- blaa, Pronotum, Bag- kropsspidsen og Be- nene

The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects . garden lots, and especi-ally where the plants do not receive anywater, the disease is practically unimpor-tant since the attack is usually very mildduring the active growing season, thoughit becomes somewhat more abundant whenthe plants have passed all usefulness.Massee attributes the Sweet Pea1 mildewin England to Erysiphe polygoni. Thusfar only the conidal or oidium stage has drawn from the noe-sncce6s of such, a cross.For instance, it is known, that Sir MichaelFoster tried many times to obtain hybr Stock Photo

RM2AXH37N–The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects . garden lots, and especi-ally where the plants do not receive anywater, the disease is practically unimpor-tant since the attack is usually very mildduring the active growing season, thoughit becomes somewhat more abundant whenthe plants have passed all usefulness.Massee attributes the Sweet Pea1 mildewin England to Erysiphe polygoni. Thusfar only the conidal or oidium stage has drawn from the noe-sncce6s of such, a cross.For instance, it is known, that Sir MichaelFoster tried many times to obtain hybr

. Diseases of economic plants . Plant diseases. 206 DISEASES OF ECONOMIC PLANTS is destructive upon the lima bean, producing upon pods and leaves large, brown patches, mth the pyenidia ar- ranged in concentric circles. When the disease is very prevalent, the pods fail to mature their seeds. Spraying with Bordeaux mixture is recommended. Powdery mildew {Ery- siphe polygoni DC). — The characters of the powdery mildews as described for the grape apply here suffi- ciently to serve for recog- nition purposes. This dis- ease is not usually serious, and is amenable to treat- ment with flowers of sul- Stock Photo

RMPG4EPF–. Diseases of economic plants . Plant diseases. 206 DISEASES OF ECONOMIC PLANTS is destructive upon the lima bean, producing upon pods and leaves large, brown patches, mth the pyenidia ar- ranged in concentric circles. When the disease is very prevalent, the pods fail to mature their seeds. Spraying with Bordeaux mixture is recommended. Powdery mildew {Ery- siphe polygoni DC). — The characters of the powdery mildews as described for the grape apply here suffi- ciently to serve for recog- nition purposes. This dis- ease is not usually serious, and is amenable to treat- ment with flowers of sul-

. Fig. 17.—Ehizoctonia stem rot of bean. (From Ext. Cir. 119.) possible. The seed field should then be carefully rogued by pulling out every plant which shows mosaic as soon as it can be detected. Powdery Mildew.—A gray mildew, Erysiphe polygoni, sometimes de- Stock Photo

RMMCK9KN–. Fig. 17.—Ehizoctonia stem rot of bean. (From Ext. Cir. 119.) possible. The seed field should then be carefully rogued by pulling out every plant which shows mosaic as soon as it can be detected. Powdery Mildew.—A gray mildew, Erysiphe polygoni, sometimes de-

angle view herb BianXu or Polygoni Avicularis Herba or Common Knotgrass Herb Stock Photo

RF2G5THC5–angle view herb BianXu or Polygoni Avicularis Herba or Common Knotgrass Herb

RF2PK081N–Background of dry knotweed herb used in herbal medicine. The concept of herbal treatment. Bian Xu. The active substance is Polygoni avicularis herba

RM2R90ERR–Polygonium multiflori radix (Polygoni multiflori radix)

RF2J6891X–A small amount of radix polygoni multiflori cane

Polygonum root (Radix Polygoni Multiflori), Zhi He Shou Wu Stock Photo

RM2RCBKAX–Polygonum root (Radix Polygoni Multiflori), Zhi He Shou Wu

RMB29P4X–Tuber Fleeceflower Root / He Shou Wu

Illustration of background of dry knotweed herb used in herbal medicine. The concept of herbal treatment. Bian Xu. The active substance is Polygoni av Stock Photo

RF2PKKB8Y–Illustration of background of dry knotweed herb used in herbal medicine. The concept of herbal treatment. Bian Xu. The active substance is Polygoni av

RFM74FM7–beetle bug

Pinned, Bourall, New Caledonia, New Caledonia, France, Halictus polygoni Cockerell, 1929, Animalia, Arthropoda, Insecta, Hymenoptera, Halictidae, Halictinae Stock Photo

RM2D7AJBK–Pinned, Bourall, New Caledonia, New Caledonia, France, Halictus polygoni Cockerell, 1929, Animalia, Arthropoda, Insecta, Hymenoptera, Halictidae, Halictinae

Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom00stev Year: 1910 206 DISEASES OF ECONOMIC PLANTS is destructive upon the lima bean, producing upon pods and leaves large, brown patches, with the pycnidia ar- ranged in concentric circles. When the disease is very prevalent, the pods fail to V mature their seeds. Spraying with Bordeaux mixture is recommended. Powdery mildew {Ery- siphe polygoni DC). — The characters of the powdery mildews as described for the grape apply here suffi- ciently to serve for recog- nition purposes. This dis- ease is not usually seriou Stock Photo

RMT1HJNX–Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom00stev Year: 1910 206 DISEASES OF ECONOMIC PLANTS is destructive upon the lima bean, producing upon pods and leaves large, brown patches, with the pycnidia ar- ranged in concentric circles. When the disease is very prevalent, the pods fail to V mature their seeds. Spraying with Bordeaux mixture is recommended. Powdery mildew {Ery- siphe polygoni DC). — The characters of the powdery mildews as described for the grape apply here suffi- ciently to serve for recog- nition purposes. This dis- ease is not usually seriou

Fungi, Ascomycetes, Ustilaginales, Uredinales . contents, the walls ofG.-V. 6 82 PLECTOMYCETES [CH.. Fig. 39. Erysipke Polygoni; young perithecium containinguninucleate asci; after Harper. which undergo a change apparently analogous to lignification. Phyllactiniathe outermost layer, from which the secondary mycelium and the character-istic appendages are derived,consists of thin-walled cells,but in other genera it is notdifferentiated from the pro-tective zone. A single ascus or severalmay be formed in the peri-thecium ; the ascospores,numbering two to eight ineach ascus, begin to developd Stock Photo

RM2AN4DEF–Fungi, Ascomycetes, Ustilaginales, Uredinales . contents, the walls ofG.-V. 6 82 PLECTOMYCETES [CH.. Fig. 39. Erysipke Polygoni; young perithecium containinguninucleate asci; after Harper. which undergo a change apparently analogous to lignification. Phyllactiniathe outermost layer, from which the secondary mycelium and the character-istic appendages are derived,consists of thin-walled cells,but in other genera it is notdifferentiated from the pro-tective zone. A single ascus or severalmay be formed in the peri-thecium ; the ascospores,numbering two to eight ineach ascus, begin to developd

. Diseases of economic plants . Plant diseases. VEGETABLE AND FIELD CROPS 221 Powdery mildew (Erysiphe polygoni DC.)- — This mildew of the cucumber and cantaloupe in general appearance resembles that described for the grape. It is more com- mon under glass than in the open, and here indicates too much moisture and too little ven- tilation. It is sel- dom injurious in the field. Flowers of sul- phur applied to the hot water or steam pipes in the form of a paste is useful. Leaf blight, cer- cosporose {Cercos- pora Cucurbitoe Ell. &Ev.). —The spots of this disease are much hke those of altern Stock Photo

RMPG4EN7–. Diseases of economic plants . Plant diseases. VEGETABLE AND FIELD CROPS 221 Powdery mildew (Erysiphe polygoni DC.)- — This mildew of the cucumber and cantaloupe in general appearance resembles that described for the grape. It is more com- mon under glass than in the open, and here indicates too much moisture and too little ven- tilation. It is sel- dom injurious in the field. Flowers of sul- phur applied to the hot water or steam pipes in the form of a paste is useful. Leaf blight, cer- cosporose {Cercos- pora Cucurbitoe Ell. &Ev.). —The spots of this disease are much hke those of altern

. is destructive upon the lima bean, producing upon pods and leaves large, brown patches, with the pycnidia ar^ ranged in concentric circles. When the disease is very prevalent, the pods fail to mature their seeds. Spraying with Bordeaux mixture is recommended. Powdery mildew (Ery- siphe polygoni DC). — The characters of the powdery mildews as described for the grape apply here suffi- ciently to serve for recog- nition purposes. This dis- ease is not usually serious, and is amenable to treat- , ment with flowers of sul- phur or spraying with liver of sulphur. BEET Stock Photo

RMMCKA48–. is destructive upon the lima bean, producing upon pods and leaves large, brown patches, with the pycnidia ar^ ranged in concentric circles. When the disease is very prevalent, the pods fail to mature their seeds. Spraying with Bordeaux mixture is recommended. Powdery mildew (Ery- siphe polygoni DC). — The characters of the powdery mildews as described for the grape apply here suffi- ciently to serve for recog- nition purposes. This dis- ease is not usually serious, and is amenable to treat- , ment with flowers of sul- phur or spraying with liver of sulphur. BEET

RF2J6893K–A small amount of radix polygoni multiflori cane

RM2RCBKAT–Polygonum root (Radix Polygoni Multiflori), Zhi He Shou Wu

RMB29P57–Tuber Fleeceflower Root / He Shou Wu

RF2PK0859–Background of dry knotweed herb used in herbal medicine. The concept of herbal treatment. Bian Xu. The active substance is Polygoni avicularis herba

RFM74FKW–beetle bug

Fort Collins, Larimer, Colorado, United States, Aspidaphis polygoni Gillette, 1917, Animalia, Arthropoda, Insecta, Hemiptera, Sternorrhyncha, Aphididae, Aphidinae Stock Photo

RM2D7A9MG–Fort Collins, Larimer, Colorado, United States, Aspidaphis polygoni Gillette, 1917, Animalia, Arthropoda, Insecta, Hemiptera, Sternorrhyncha, Aphididae, Aphidinae

Fungi, Ascomycetes, Ustilaginales, Uredinales . Fig. 43. Erysiplie Polygoni; a. fertilization; d. young peritheciumwith ascogenous hyphae; after Harper. protective hyphae begin to grow up, the oogonium elongates, the fusionnucleus divides till a row of from five to eight nuclei is produced, transversewalls appear, and a row of cells is formed of which the penultimate containstwo or more nuclei. From the surface of the penultimate cell, and perhaps sometimes fromthat of its neighbours, filaments bud out (fig. 43^), branch rapidly to forma dense mass, and undergo septation. These are the ascogen Stock Photo

RM2AN4C32–Fungi, Ascomycetes, Ustilaginales, Uredinales . Fig. 43. Erysiplie Polygoni; a. fertilization; d. young peritheciumwith ascogenous hyphae; after Harper. protective hyphae begin to grow up, the oogonium elongates, the fusionnucleus divides till a row of from five to eight nuclei is produced, transversewalls appear, and a row of cells is formed of which the penultimate containstwo or more nuclei. From the surface of the penultimate cell, and perhaps sometimes fromthat of its neighbours, filaments bud out (fig. 43^), branch rapidly to forma dense mass, and undergo septation. These are the ascogen

. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. CHAPTER VI. ORCHARD LIFE. Fig. 136. Knotgrass and the knotgrass beetle, 'rastro- idej polygoni. An orchard is an excellent place for Nature study. Here live many kinds of tiny creatures, each kind with its own peculiar mode of life. Some have comparatively simple life histories, merely eating and growing and final- ly laying eggs for another geneiation ; but others undergo wonderful transfor- mations, and still others exhibit an in- stinct that Stock Photo

RMPG1JG6–. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. CHAPTER VI. ORCHARD LIFE. Fig. 136. Knotgrass and the knotgrass beetle, 'rastro- idej polygoni. An orchard is an excellent place for Nature study. Here live many kinds of tiny creatures, each kind with its own peculiar mode of life. Some have comparatively simple life histories, merely eating and growing and final- ly laying eggs for another geneiation ; but others undergo wonderful transfor- mations, and still others exhibit an in- stinct that

. ¥ Fig. 33.—Spotted wilt of sweet pea causing so-called streak disease. The disease, caused by a virus, is spread by the pea aphid, Illinoia pisi. The spread of mosaic may be delayed by dusting with nicotine to keep down the aphids. Powdery Mildew.—The leaves and buds become covered with a white, powdery fungus, Erysiphe polygoni, which causes stunting of the growth and worthless flowers. To control, dust frequently with dry, powdered sulfur, beginning before mildew develops. This may be combined with nicotine dust for aphids. Stock Photo

RMMCK9G8–. ¥ Fig. 33.—Spotted wilt of sweet pea causing so-called streak disease. The disease, caused by a virus, is spread by the pea aphid, Illinoia pisi. The spread of mosaic may be delayed by dusting with nicotine to keep down the aphids. Powdery Mildew.—The leaves and buds become covered with a white, powdery fungus, Erysiphe polygoni, which causes stunting of the growth and worthless flowers. To control, dust frequently with dry, powdered sulfur, beginning before mildew develops. This may be combined with nicotine dust for aphids.

RF2J6895R–A small amount of radix polygoni multiflori cane

RM2RCBKCJ–Polygonum root (Radix Polygoni Multiflori), Zhi He Shou Wu

RMB29P50–Tuber Fleeceflower Root / He Shou Wu

RF2PKKBB7–Illustration of background of dry knotweed herb used in herbal medicine. The concept of herbal treatment. Bian Xu. The active substance is Polygoni av

RFM74FMA–beetle bug

West Bengal, India, Tricaudatus polygoni tuberculatus Hille Ris Lambers & Basu, 1966, Animalia, Arthropoda, Insecta, Hemiptera, Sternorrhyncha, Aphididae, Aphidinae Stock Photo

RM2D7A9AP–West Bengal, India, Tricaudatus polygoni tuberculatus Hille Ris Lambers & Basu, 1966, Animalia, Arthropoda, Insecta, Hemiptera, Sternorrhyncha, Aphididae, Aphidinae

The natural history of British insects : explaining them in their several states, with the periods of their transformations, their food, economy, &ctogether with the history of such minute insects as require investigation by the microscope : the whole illustrated by coloured figures, designed and executed from living specimens . - - - 98 i. 2. Maxillofus, Staphylinus - - v - 9^ S* Mofchatus, Cerambyx. Mufk Ccrambyx - 94 2. Myftica, Leptura - - - 86 3, Neuftri^, PJialaena. Lackey Moth - 95 Pallefcens, Cimex* >• r - loi 5. 6. Panzerella, Phalaena * - - » 106 4. Polygoni, Chryfomela « »• -^ 96 Stock Photo

RM2AWDF7A–The natural history of British insects : explaining them in their several states, with the periods of their transformations, their food, economy, &ctogether with the history of such minute insects as require investigation by the microscope : the whole illustrated by coloured figures, designed and executed from living specimens . - - - 98 i. 2. Maxillofus, Staphylinus - - v - 9^ S* Mofchatus, Cerambyx. Mufk Ccrambyx - 94 2. Myftica, Leptura - - - 86 3, Neuftri^, PJialaena. Lackey Moth - 95 Pallefcens, Cimex* >• r - loi 5. 6. Panzerella, Phalaena * - - » 106 4. Polygoni, Chryfomela « »• -^ 96

. Danmarks fauna, Biller. Beetles. 86 5. Ph. rum i cis L. Ligner meget den foregaaende, men adsiciller sig fra den foruden ved de i Oversigten nævnte Kendemærker, ved at Tegningen er lysere, og Vingedækkerne bag Midten forsynede med et mere eller mindre tvdeligt, lyst Tværbaand. Endvidere er 2. Svøbe- led lidt kortere end 1. og Pronotum finere punk- teret. Længde 4—6 mm. (^: Som den fore- gaaende. Almindelig paa Skræppe (Rumex). 6. Ph. aråtor L. (polygoni L.) (Fig. 65). Brunlig eller graalig, Vingedækkerne med ly- sere og mørkere Længde- striber, Sømmen i for- reste Tredjedel hvid, iøvrigt sor Stock Photo

RMPFHMDG–. Danmarks fauna, Biller. Beetles. 86 5. Ph. rum i cis L. Ligner meget den foregaaende, men adsiciller sig fra den foruden ved de i Oversigten nævnte Kendemærker, ved at Tegningen er lysere, og Vingedækkerne bag Midten forsynede med et mere eller mindre tvdeligt, lyst Tværbaand. Endvidere er 2. Svøbe- led lidt kortere end 1. og Pronotum finere punk- teret. Længde 4—6 mm. (^: Som den fore- gaaende. Almindelig paa Skræppe (Rumex). 6. Ph. aråtor L. (polygoni L.) (Fig. 65). Brunlig eller graalig, Vingedækkerne med ly- sere og mørkere Længde- striber, Sømmen i for- reste Tredjedel hvid, iøvrigt sor

. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Bostrychonema alpestre Ces. 1. Polygonumblatt mit den Flecken, nat. Gr. 2. Konidienträger. 3. Konidien, stark vergr. (Nach Saccardo.) Bereits Voss hatte darauf hingewiesen, dass die von ünger Cylindrospora polygoni genannte Art mit seiner als Scolecotrichum Ungeri bezeichneten Spezies übereinstimmen könnte. Obgleich es fast sicher ist, dass Unger denselben Pilz im Auge hatte wie Voss, hat der letztere Autor doch den Namen Ungers nicht angenommen und mit vollem Eecht, denn Unger hat seine Art so oberflächlich Stock Photo

RMMAB53G–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Bostrychonema alpestre Ces. 1. Polygonumblatt mit den Flecken, nat. Gr. 2. Konidienträger. 3. Konidien, stark vergr. (Nach Saccardo.) Bereits Voss hatte darauf hingewiesen, dass die von ünger Cylindrospora polygoni genannte Art mit seiner als Scolecotrichum Ungeri bezeichneten Spezies übereinstimmen könnte. Obgleich es fast sicher ist, dass Unger denselben Pilz im Auge hatte wie Voss, hat der letztere Autor doch den Namen Ungers nicht angenommen und mit vollem Eecht, denn Unger hat seine Art so oberflächlich

RM2RCBKAW–Polygonum root (Radix Polygoni Multiflori), Zhi He Shou Wu

RMB29P4K–Tuber Fleeceflower Root / He Shou Wu

RF2PK0855–Background of dry knotweed herb used in herbal medicine. The concept of herbal treatment. Bian Xu. The active substance is Polygoni avicularis herba

The Southern planter . rm implements, garden tools, etc. contained in our large general catalogue. The prito place them within the easv reach of all. and the quality is of the very best in everyOur Centre-Cut Overlapping Disc Harrow works all the ground. Note in the cut how overlapping disc completely cuts out and works the middle ridges left by the ordinary disc harrow,entirely of Steel except tongue and hitch. Best high test, round steel discs. Polygoni cost when ordered. Strong and convenient levers for^regulating. .Dont buy till you know more about it. Our Daisy Single Rowmost easily opera Stock Photo

RM2AMXXD9–The Southern planter . rm implements, garden tools, etc. contained in our large general catalogue. The prito place them within the easv reach of all. and the quality is of the very best in everyOur Centre-Cut Overlapping Disc Harrow works all the ground. Note in the cut how overlapping disc completely cuts out and works the middle ridges left by the ordinary disc harrow,entirely of Steel except tongue and hitch. Best high test, round steel discs. Polygoni cost when ordered. Strong and convenient levers for^regulating. .Dont buy till you know more about it. Our Daisy Single Rowmost easily opera

. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 114 særlig tæt. Vingedækkerne som Regel kraftigere og tæt- tere punkterede end Pronotum. Længde 4—6 mm. ^: 1. Fodled udvidet. Temmelig sjælden, men meget udbredt og ofte i stort Antal. Paa Arter af Skræppe (Rumex), bl. a. Vandskræppe (R. hydrolapathum). Maj—August. Larver er fundne d. ^Ve; de forpuppede sig d. ^"/e, og Imago fremkom 2. G. polygoni L. (Fig.28). Mørkt metal- blaa, Pronotum, Bag- kropsspidsen og Be- nene røde. Fødderne mørkere; Følehorne- ne sorte, de 4—5 in- derste Led helt eller delvis røde. Prono- tum Stock Photo

RMPFH1MB–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 114 særlig tæt. Vingedækkerne som Regel kraftigere og tæt- tere punkterede end Pronotum. Længde 4—6 mm. ^: 1. Fodled udvidet. Temmelig sjælden, men meget udbredt og ofte i stort Antal. Paa Arter af Skræppe (Rumex), bl. a. Vandskræppe (R. hydrolapathum). Maj—August. Larver er fundne d. ^Ve; de forpuppede sig d. ^"/e, og Imago fremkom 2. G. polygoni L. (Fig.28). Mørkt metal- blaa, Pronotum, Bag- kropsspidsen og Be- nene røde. Fødderne mørkere; Følehorne- ne sorte, de 4—5 in- derste Led helt eller delvis røde. Prono- tum

Polygonal knotweed root (Radix Polygoni Multiflori), Zhi He Shou Wu, free-standing, object Stock Photo

RM2RCBKAK–Polygonal knotweed root (Radix Polygoni Multiflori), Zhi He Shou Wu, free-standing, object

RMB29P49–Tuber Fleeceflower Root / He Shou Wu

The Coleoptera of the British islandsA descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to localities, habitats, etc . P. Ivfcrgeiv, del. etlhlL. JincenxEr o oksL ay A Sonlrn L Reeve & G ° London. CA. ; ::TY iv;A USA PLATE CLXIII. Fig. 1. Uypera punctata, jP. 2, )) fasciculata, Herbst. 3. )) rumicis, L. 4. >5 poUux, F. 5. J> alternaus, Stepli. 6. » polygoni, L. 7. >> tigrioa. Boh. 8. )> suspiciosa, Herhd. 9. >» variabilis, Herbst. 10. )) plantagiuis, De (t. 11. )> trilineata. Marsh. 12. )) nigrirostris, F. 13. Stock Photo

RM2AWHK6X–The Coleoptera of the British islandsA descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to localities, habitats, etc . P. Ivfcrgeiv, del. etlhlL. JincenxEr o oksL ay A Sonlrn L Reeve & G ° London. CA. ; ::TY iv;A USA PLATE CLXIII. Fig. 1. Uypera punctata, jP. 2, )) fasciculata, Herbst. 3. )) rumicis, L. 4. >5 poUux, F. 5. J> alternaus, Stepli. 6. » polygoni, L. 7. >> tigrioa. Boh. 8. )> suspiciosa, Herhd. 9. >» variabilis, Herbst. 10. )) plantagiuis, De (t. 11. )> trilineata. Marsh. 12. )) nigrirostris, F. 13.

RM2RCBKBK–Polygonal knotweed root (Radix Polygoni Multiflori), Zhi He Shou Wu, free-standing, object

RMB29P4G–Tuber Fleeceflower Root / He Shou Wu

Favnae insectorvm Germanicae initia, oder, Deutschlands Insecten . (tircuhc L^oli/c7<Jtu ^ui» CVRCVLIO Polygon!. Der TTegetritt Fiüfselkäfer. Curculio Polygöni: tliorace lineato , clytvis ciuereis: lineolis fuscia fnfura* quc nigro punctata. Fabric. Spec. Ins. T. I. n. i5i. p. io3- Man*. Ins. T. I. n. 200. p. 116. Ent. Syst. T. II. n. 291. p. 464*Curculio Polygoni: longirostris testaceus, coleoptrorum sulura nigra repan- da. Unit. Syst. Nat. n. 26. p. 609. ed. XIII. 11.26. p. 1779. Faun. Suec. n. 59-. Paykull. eure, monogv. 4-« §9. ßt Auf dem Polygoxo aviculari L. niclit gemein. Varirt sehr Stock Photo

RM2AM0YYP–Favnae insectorvm Germanicae initia, oder, Deutschlands Insecten . (tircuhc L^oli/c7<Jtu ^ui» CVRCVLIO Polygon!. Der TTegetritt Fiüfselkäfer. Curculio Polygöni: tliorace lineato , clytvis ciuereis: lineolis fuscia fnfura* quc nigro punctata. Fabric. Spec. Ins. T. I. n. i5i. p. io3- Man*. Ins. T. I. n. 200. p. 116. Ent. Syst. T. II. n. 291. p. 464*Curculio Polygoni: longirostris testaceus, coleoptrorum sulura nigra repan- da. Unit. Syst. Nat. n. 26. p. 609. ed. XIII. 11.26. p. 1779. Faun. Suec. n. 59-. Paykull. eure, monogv. 4-« §9. ßt Auf dem Polygoxo aviculari L. niclit gemein. Varirt sehr

RM2RCBKAR–Polygonal knotweed root (Radix Polygoni Multiflori), Zhi He Shou Wu, free-standing, object

RMB29P4R–Tuber Fleeceflower Root / He Shou Wu

. The natural history of British insects : explaining them in their several states, with the periods of their transformations, their food, oeconomy, &c. together with the history of such minute insects as require investigation by the microscope : the whole illustrated by coloured figures, designed and executed from living specimens. , Cerambyx. Mufk Cerambyx -Myftica, Leptura . ^ Neuftria, Phalasna. |^ackey Moth . „ Pallefcens, Cimex * - . Panzerella, Phalasna * - - Polygoni, Chryfomela • - Quadripundatus, Cimex * - Quercana, Phala;na - - Quercus, Phalaena. Egger Moth Larva, &c. Radiat Stock Photo

RM2CF0CRE–. The natural history of British insects : explaining them in their several states, with the periods of their transformations, their food, oeconomy, &c. together with the history of such minute insects as require investigation by the microscope : the whole illustrated by coloured figures, designed and executed from living specimens. , Cerambyx. Mufk Cerambyx -Myftica, Leptura . ^ Neuftria, Phalasna. |^ackey Moth . „ Pallefcens, Cimex * - . Panzerella, Phalasna * - - Polygoni, Chryfomela • - Quadripundatus, Cimex * - Quercana, Phala;na - - Quercus, Phalaena. Egger Moth Larva, &c. Radiat

RM2RCBK4A–Polygonal knotweed root (Radix Polygoni Multiflori), Zhi He Shou Wu, free-standing, object

RMB29P4N–Tuber Fleeceflower Root / He Shou Wu

. Five oriental species of beans . dia wasstated to be about 7 bushels per acre in 1912. The urd is utilized as a green-manure crop in Trinidad under thename of woolly pyrol, and wherever Hindoo laborers are numerousin the West Indies they cultivate this plant for food. In warm, moist weather the urd is much subject to mildew (Ery-siphe polygoni). It is also affected by both the leaf-spots thatattack the mung and the cowpea. The habit of the urd is such that it can not be as easily harvestedfor hay or seed as the mung. It is difficult to see wherein it cancompete as a forage crop under America Stock Photo

RM2CDADCK–. Five oriental species of beans . dia wasstated to be about 7 bushels per acre in 1912. The urd is utilized as a green-manure crop in Trinidad under thename of woolly pyrol, and wherever Hindoo laborers are numerousin the West Indies they cultivate this plant for food. In warm, moist weather the urd is much subject to mildew (Ery-siphe polygoni). It is also affected by both the leaf-spots thatattack the mung and the cowpea. The habit of the urd is such that it can not be as easily harvestedfor hay or seed as the mung. It is difficult to see wherein it cancompete as a forage crop under America

RM2RCBK3X–Polygonal knotweed root (Radix Polygoni Multiflori), Zhi He Shou Wu, free-standing, object

RMB29P4E–Tuber Fleeceflower Root / He Shou Wu

. Fungous diseases of plants, with chapters on physiology, culture methods and technique . « 220 ^. FUNGOUS DISEASES OF PLANTS into all available space, smaller hyphas are protruded • .1 V;.W i^ . ° ^-^ P^^^ i^ developed uithe fuitiwr.^m^a. ,- ilWkpenthecium and the increase in I!of the asc«ip,tli|j-j«utf««» kwJU-jwd all internal hvphal h hare dissolved Jmolrap^opJHato^r,, M^while. the outer laver b!comes yellow or ^bto,^^ f.^^^,^„,^. ^,.^,^ ^^^^^^ ^^ y be- thecium. From the ^irs^m ,if rftl»^.„pfe,itieci,„ ^h^^/^^^. Fig. 86. Spore Forms and Appendages of Erysiphace^ a, Erysifhe Polygoni; b^ Stock Photo

RM2CDCDYW–. Fungous diseases of plants, with chapters on physiology, culture methods and technique . « 220 ^. FUNGOUS DISEASES OF PLANTS into all available space, smaller hyphas are protruded • .1 V;.W i^ . ° ^-^ P^^^ i^ developed uithe fuitiwr.^m^a. ,- ilWkpenthecium and the increase in I!of the asc«ip,tli|j-j«utf««» kwJU-jwd all internal hvphal h hare dissolved Jmolrap^opJHato^r,, M^while. the outer laver b!comes yellow or ^bto,^^ f.^^^,^„,^. ^,.^,^ ^^^^^^ ^^ y be- thecium. From the ^irs^m ,if rftl»^.„pfe,itieci,„ ^h^^/^^^. Fig. 86. Spore Forms and Appendages of Erysiphace^ a, Erysifhe Polygoni; b^

RM2RCBKBC–Polygonal knotweed root (Radix Polygoni Multiflori), Zhi He Shou Wu, free-standing, object

Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea Stock Photo

RM2R90EXA–Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea

. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. 42 ASCOMYCETES [CH. second fusion in the ascus, and in the following year he recorded the same process in Erysiphe Polygoni.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Gwynne-Vaughan, Helen Charlotte Isabella (Fraser) Dame, 1879-. Cambridge [Eng] University Press Stock Photo

RMRDX1RP–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. 42 ASCOMYCETES [CH. second fusion in the ascus, and in the following year he recorded the same process in Erysiphe Polygoni.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Gwynne-Vaughan, Helen Charlotte Isabella (Fraser) Dame, 1879-. Cambridge [Eng] University Press

RM2R90EWY–Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea

. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. ON POLYGONACE.E 117 On the same host-plants is a Puccinia, which (in the absence of the teleutospores) can be distinguished only by the fact that the uredospores have two (rarely three) germ-pores and are adorned with few and distant spines. There is little doubt that many of the specimens recorded as U. Acetosae are really the uredospores of Puccinia Acetosae. Distribution : Germany, France, Sweden, Norway, Finland. 29. Uromyces Polygoni Fckl. JEcidium aviculariae Kze.; Cooke, Handb. p. 545; M Stock Photo

RMRH2XDM–. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. ON POLYGONACE.E 117 On the same host-plants is a Puccinia, which (in the absence of the teleutospores) can be distinguished only by the fact that the uredospores have two (rarely three) germ-pores and are adorned with few and distant spines. There is little doubt that many of the specimens recorded as U. Acetosae are really the uredospores of Puccinia Acetosae. Distribution : Germany, France, Sweden, Norway, Finland. 29. Uromyces Polygoni Fckl. JEcidium aviculariae Kze.; Cooke, Handb. p. 545; M

RM2R90ETD–Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea

RMRDE373–. Diseases of economic plants . Plant diseases. VEGETABLE AND FIELD CROPS 221 Powdery mildew (Erysiphe polygoni DC.)- — This mildew of the cucumber and cantaloupe in general appearance resembles that described for the grape. It is more com- mon under glass than in the open, and here indicates too much moisture and too little ven- tilation. It is sel- dom injurious in the field. Flowers of sul- phur applied to the hot water or steam pipes in the form of a paste is useful. Leaf blight, cer- cosporose {Cercos- pora Cucurbitoe Ell. &Ev.). —The spots of this disease are much hke those of altern

RM2R90ETJ–Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea

RMRDE394–. Diseases of economic plants . Plant diseases. 206 DISEASES OF ECONOMIC PLANTS is destructive upon the lima bean, producing upon pods and leaves large, brown patches, mth the pyenidia ar- ranged in concentric circles. When the disease is very prevalent, the pods fail to mature their seeds. Spraying with Bordeaux mixture is recommended. Powdery mildew {Ery- siphe polygoni DC). — The characters of the powdery mildews as described for the grape apply here suffi- ciently to serve for recog- nition purposes. This dis- ease is not usually serious, and is amenable to treat- ment with flowers of sul-

RM2R90EWM–Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea

. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. 82 PLECTOMYCETES [CH.. Fig. 39. Erysiphe Polygoni; young perithecium containing uninucleate asci; after Harper. which undergo a change apparently analogous to lignification. nPhyllactinia the outermost layer, from which the secondary mycelium and the character- istic appendages are derived, consists of thin-walled cells, but in other genera it is not differentiated from the pro- tective zone. A single asciis or several may be formed in the peri- thecium ; the ascospores, numbering two to eight in each ascus, begin to develop during the s Stock Photo

RMRDTP6D–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. 82 PLECTOMYCETES [CH.. Fig. 39. Erysiphe Polygoni; young perithecium containing uninucleate asci; after Harper. which undergo a change apparently analogous to lignification. nPhyllactinia the outermost layer, from which the secondary mycelium and the character- istic appendages are derived, consists of thin-walled cells, but in other genera it is not differentiated from the pro- tective zone. A single asciis or several may be formed in the peri- thecium ; the ascospores, numbering two to eight in each ascus, begin to develop during the s

RM2R90EWA–Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea

. The Canadian field-naturalist. . Figures 5-7. (5) Table Mountain, treeless top, with Woody Point in the distance, site of Exobasidium karstenii on Andromeda glaucophylla. (6) Green Garden Trail at coastline, site of Puccinia coronata on Shepherdia canadensis and Erysiphe polygoni on Ranunculus acris. (7) Cliffs at Cow Head lighthouse, site of Puccinia bistortae and Bostrichonema polygoni on Polygonum viviparum.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not Stock Photo

RMRG2M3Y–. The Canadian field-naturalist. . Figures 5-7. (5) Table Mountain, treeless top, with Woody Point in the distance, site of Exobasidium karstenii on Andromeda glaucophylla. (6) Green Garden Trail at coastline, site of Puccinia coronata on Shepherdia canadensis and Erysiphe polygoni on Ranunculus acris. (7) Cliffs at Cow Head lighthouse, site of Puccinia bistortae and Bostrichonema polygoni on Polygonum viviparum.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not

RM2R90EWW–Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea

$. Critical researches on the potamogetons. KUNGL. SV. VET. AKADEMIBNS HANDUNGAE. BAND 55. N:0 5. 83 nervation of leaves and ligules. It joins to the Polygoni {Ochreati and Compressi) by the leaf-base also, but differs by the structure of the peduncle, stem, and leaves. The two species here below considered have the front-field of thestipularsheathslO—15-fibrous, in this respect also keeping a me-^ dium position between the two groups mentioned above. If the Oxyphylli nevertheless be con- sidered, on accountof thestylesand stigmas, to belong to the Pusilli, they must, however, form a sepa- rate Stock Photo$

RMRE5D73–. Critical researches on the potamogetons. KUNGL. SV. VET. AKADEMIBNS HANDUNGAE. BAND 55. N:0 5. 83 nervation of leaves and ligules. It joins to the Polygoni {Ochreati and Compressi) by the leaf-base also, but differs by the structure of the peduncle, stem, and leaves. The two species here below considered have the front-field of thestipularsheathslO—15-fibrous, in this respect also keeping a me-^ dium position between the two groups mentioned above. If the Oxyphylli nevertheless be con- sidered, on accountof thestylesand stigmas, to belong to the Pusilli, they must, however, form a sepa- rate

RM2R90ERX–Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea

. The British rust fungi (Uredinales), their biology and classification. Uredineae. ON POLYGONACE^ 117 On the same host-plants is a Puccinia, which (in the absence of the teleutospores) can be distinguished only by the fact that the uredospores have two (rarely three) germ-pores and are adorned with few and distant spines. There is little doubt that many of the specimens recorded as U. Acetosae are really the uredospores of Puccinia Acetosae. Distribution : Germany, France, Sweden, Nonvay, Finland. 29. Uromyces Polygoni Fckl. JEcidium aviculariae Kze.; Cooke, Handb. p. 545; Micr. Fung. p. 199. Stock Photo

RMRH2XC3–. The British rust fungi (Uredinales), their biology and classification. Uredineae. ON POLYGONACE^ 117 On the same host-plants is a Puccinia, which (in the absence of the teleutospores) can be distinguished only by the fact that the uredospores have two (rarely three) germ-pores and are adorned with few and distant spines. There is little doubt that many of the specimens recorded as U. Acetosae are really the uredospores of Puccinia Acetosae. Distribution : Germany, France, Sweden, Nonvay, Finland. 29. Uromyces Polygoni Fckl. JEcidium aviculariae Kze.; Cooke, Handb. p. 545; Micr. Fung. p. 199.

RM2R90ETH–Polygonum root tea (Polygoni multiflori Radix) in cup, Polygonum root, Knotweed root tea

. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Ill] ERYSIPHALES 87 lose their contents and are displaced by the developing asci. Later the fusion of the two nuclei in each ascus takes place, and in each eight spores are formed. Dangeard, investigating the development of E. Polygoni and E. Cicho- racearum, notes that in his material the oogonium underwent septation before a row of nuclei was formed, and that cells other than the penultimate contained two or more nuclei. Usually in E. Cichoracearum and sometimes in E. Polygoni the oogonial branch consisted of two cells; this corresponds Stock Photo

RMRDTP58–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Ill] ERYSIPHALES 87 lose their contents and are displaced by the developing asci. Later the fusion of the two nuclei in each ascus takes place, and in each eight spores are formed. Dangeard, investigating the development of E. Polygoni and E. Cicho- racearum, notes that in his material the oogonium underwent septation before a row of nuclei was formed, and that cells other than the penultimate contained two or more nuclei. Usually in E. Cichoracearum and sometimes in E. Polygoni the oogonial branch consisted of two cells; this corresponds

RMRD7YDP–. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. CHAPTER VI. ORCHARD LIFE. Fig. 136. Knotgrass and the knotgrass beetle, 'rastro- idej polygoni. An orchard is an excellent place for Nature study. Here live many kinds of tiny creatures, each kind with its own peculiar mode of life. Some have comparatively simple life histories, merely eating and growing and final- ly laying eggs for another geneiation ; but others undergo wonderful transfor- mations, and still others exhibit an in- stinct that

. An undescribed thermometric movement of the branches in shrubs and trees [microform]. Trees; Shrubs; Botanique; Arbres; Botany; Arbustes. 640 Ganong.—An Undescribed Thermometric Movement of. Fig. 57. Abscissa sjMces of upper five polygoni, each two days; of lower six polygons, one half-day Ordinate spaces, each 2 mm of movement (thus differing slightly from two preceding plates) and 1 degree of temperature, and 1% of water (for lower polygon). Downward direction means inward of the shrub, and upward means outward. The plate shows the movement of the branches of LincUra Benxoin, the north, so Stock Photo

RMRENP3B–. An undescribed thermometric movement of the branches in shrubs and trees [microform]. Trees; Shrubs; Botanique; Arbres; Botany; Arbustes. 640 Ganong.—An Undescribed Thermometric Movement of. Fig. 57. Abscissa sjMces of upper five polygoni, each two days; of lower six polygons, one half-day Ordinate spaces, each 2 mm of movement (thus differing slightly from two preceding plates) and 1 degree of temperature, and 1% of water (for lower polygon). Downward direction means inward of the shrub, and upward means outward. The plate shows the movement of the branches of LincUra Benxoin, the north, so

. California plant diseases. Plant diseases. Bulletin 218] CALIFORNIA PLANT DISEASES. 1149 PEA. Mildew (Erysiplie polygoni). Covers the plants and pods with a white mildew. Most prevalent in wet weather and is usually only serious on the winter crop. Dust the vines with dry sulphur at the first appearance of the trouble. In cloudy weather spraying with Bordeaux mixture is most effective. Blight (Ascochyta pisi). Produces black spots on the leaves and pods and seriously injures the vine. Most troublesome in wet weather.. Please note that these images are extracted from scanned page images that Stock Photo

RMRG3333–. California plant diseases. Plant diseases. Bulletin 218] CALIFORNIA PLANT DISEASES. 1149 PEA. Mildew (Erysiplie polygoni). Covers the plants and pods with a white mildew. Most prevalent in wet weather and is usually only serious on the winter crop. Dust the vines with dry sulphur at the first appearance of the trouble. In cloudy weather spraying with Bordeaux mixture is most effective. Blight (Ascochyta pisi). Produces black spots on the leaves and pods and seriously injures the vine. Most troublesome in wet weather.. Please note that these images are extracted from scanned page images that

. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Fig. 43. Erysiphe Polygoni; rt. fertilization; b. young perithecium with ascogenous liyphae; after Harper. protective hyphae begin to grow up, the oogonium elongates, the fusion nucleus divides till a row of from five to eight nuclei is produced, transverse walls appear, and a row of cells is formed of which the penultimate contains two or more nuclei. From the surface of the penultimate cell, and perhaps sometimes from that of its neighbours, filaments bud out (fig. 43(5), branch rapidly to form a dense mass, and undergo septation. These Stock Photo

RMRDTP5D–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Fig. 43. Erysiphe Polygoni; rt. fertilization; b. young perithecium with ascogenous liyphae; after Harper. protective hyphae begin to grow up, the oogonium elongates, the fusion nucleus divides till a row of from five to eight nuclei is produced, transverse walls appear, and a row of cells is formed of which the penultimate contains two or more nuclei. From the surface of the penultimate cell, and perhaps sometimes from that of its neighbours, filaments bud out (fig. 43(5), branch rapidly to form a dense mass, and undergo septation. These

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