Danish fungi as represented in the herbarium of ERostrup . rsvamp (H. 37^^^), Knoldet Langfod (Sev. P.), Knol-det Baegersvamp (R 69 ^ 71 a ^ 79 d ^o), Anemonens Knoldbaeger-svamp (R 04 a ^^o). Not uncommon, April—May. Anemone nemovosa. J. Krabbesholm Skov!, Aarhus (1766 Holmskj.), Nebs-agerl; F. Skaarup, Klingstrup, Vejstrup Aaskov (R79d20); S. Geelskov (L. K.R.), Jonstrup Vang, Ermelunden (O. R.), Boserup (L. K. R.); Falst. Nykebing(C. H. O.). Anemone sp. cult. S. Kobenhavn (M. Lorentzen see R 02 a ^^?). 318. Sclerotinia trifoliorum Er., Syll. VIII ^ Rehm III ^ R02 a ^^ c. icon., Kloveren

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Danish fungi as represented in the herbarium of ERostrup . rsvamp (H. 37^^^), Knoldet Langfod (Sev. P.), Knol-det Baegersvamp (R 69 ^ 71 a ^ 79 d ^o), Anemonens Knoldbaeger-svamp (R 04 a ^^o). Not uncommon, April—May. Anemone nemovosa. J. Krabbesholm Skov!, Aarhus (1766 Holmskj.), Nebs-agerl; F. Skaarup, Klingstrup, Vejstrup Aaskov (R79d20); S. Geelskov (L. K.R.), Jonstrup Vang, Ermelunden (O. R.), Boserup (L. K. R.); Falst. Nykebing(C. H. O.). Anemone sp. cult. S. Kobenhavn (M. Lorentzen see R 02 a ^^?). 318. Sclerotinia trifoliorum Er., Syll. VIII ^ Rehm III ^ R02 a ^^ c. icon., Kloverens Baegersvamp (R 93 d ^°^ c. icon.), Lit: P.^ Nielsen 78. Rostrup has made avery close study of thisfungus and contributedmuch to its biology. Hefirst found it in 1869near Skaarup and men-tioned it (71 ^^) as Pe-ziza ciborioides, a namewhich Fries in S. M.IP^^ has applied to asimilar species which is, however, stated to befound ad culmos. Du-ring the vcars 1885-1890Rostrup made a greatmanv experiments incultivation in the fieldwith this hnigiis which. Iig. 10. Sclerotinia trifoliorum. <i Affected Trifoliiiin piatciisc, b sclcrotium with ascom.it.n, c sclcrotium with .iscom.ita, cniarjjcd, d ascus ^. )rom R 02 .r 113 surely is of great economical significance to the growing of Tri-folium and other leguminous plants (see R 85 n ^^, 90 i, 90 j, 90 k, 90 m, 94 e). Westerdijk (11 ^) has stated that Sclerotinia sclerotiorum is able toattack Trifolium; and in April 1912 I found that Sclerotinia trifoliorum, which had killed a Trifolium, also attacked Anthemis arvensis, grow-ing close by, and produced sclerotia on its root. So it is necessary totest by exact experiments the special relation of these two fungi totheir respective host-plants. Very common. Ascomata Sept.—Nov. Noticed on Onobrychis vkiaefolia, Anthyllis vulneraria, Trifolium repens, hyhridum, pratense, Medicago lupulina &. sativa (M. L. M. 08 ^^). 319. Sclerotinia fructigena Norton 02, Aderh. 05 c. icon., Reade08, Syll