Summary 5
Introduction 5
Results and Observations 6
Acknowledgements 86
Literature Cited 86
List of Species
alachuanum, Hydnellum 6
fuligineo-alba, Hydnum 6
albonigrum, Hydnum 7
armeniacus, Sarcodon 8
aurantiacum, Hydnum 9
aurantiacum var. bulbipodium, Hydnellum 10
aurantiacum var. colliculosum, Hydnellum 11
auratile, Hydnum 11
badium, Hydnum 11
bambusinum, Hydnum 12
blackfordae, Hydnum 13
boreale, Hydnum 13
brunneoroseus, Phellodon 14
caeruleum, Hydnum 15
calvatum, Hydnum 15
coalitum, Hydnellum 18
cokeri, Phellodon 19
colosseum, Hydnum 19
commutatus, Sarcodon 20
compactum, Hydnum 20
complectipes var. complectipes, Hydnellum 21
complicatum, Hydnellum 21
concrescens, Hydnum 22
confluens, Hydnum Persoon 23
confluens, Hydnum Peck 23
conigenum, Hydnum 24
crassum, Hydnum 24
cristatus, Sarcodon 25
cruentum, Hydnellum 26
cumulatum, Hydnellum 26
cuneatum, Hydnum 27
curtisii, Hydnum 28
cyanellum, Hydnellum 28
cyaneotinctum, Hydnum 29
cyanodon, Hydnellum 29
cyanopodium, Hydnellum 30
delicatum, Hydnum 31
diabolus, Hydnellum 31
conplectipes var. disjuntipes, Hydnellum 32
dissimulans, Sarcodon 32
earlianum, Hydnellum. 33
ellisianus, Phellodon 33
excentricus, Sarcodon 34
fasciatum, Hydnum 35
ferrugineum, Hydnum 35
ferrugipes, Hydnellum 36
fibulatus, Phellodon 37
frondosum, Hydnellum 37
fumosus, Sarcodon 38
fuscoindicum, Hydnum 39
geogenium, Hydnum 39
glaucopus, Sarcodon 40
graveolens, Hydnum 41
gravis, Sarcodon 41
harrisonii, Sarcodon 42
hesleri, Phellodon 43
humidum, Hydnum 43
imbricatum, Hydnum 44
indurescens, Hydnum 45
inopinatus, Sarcodon 45
inquinatum, Hydnellum 46
joeides, Hydnum 47
langinosum, Hydnum 47
leptopus, Hydnum 48
leucopus, Hydnum 48
lundellii, Sarcodon 49
maliensis, Hydnum 49
martioflavum, Hydoum 50
squamosus, Hydoum 51
melaleucum, Hydnum 51
excentri-mexicana, Phellodon 52
mirabile, Hydoum 53
modestum, Hydnum 53
multicepts, Hydnellum 54
murrillii, Sarcodon 54
nigrellum, Hydnellum 55
nigrum, Hydnum 56
nuttallii, Hydnellum 56
calvatum var. odoratum, Hydnum 57
olidum, Hydoum 58
parvum, Hydnellum 58
peckii, Hydnellum 59
pineticola, Hydnellum 60
piperatus, Sarcodon 60
putidum, Hydnum 61
pygmaeum, Hydnum 62
queletii, Hydnum 62
radicatus, Phellodon 63
radicatus, Sarcodon 63
regalia, Sarcodon 64
regium, Hydnellum 64
reticulatum, Sarcodon 65
rhizopes, Hydnellum 66
rickerii, Hydnellum 66
rimosum, Hydnum 67
roseolus, Sarcodon 68
scabripes, Hydnum 68
scabrosum, Hydnum 69
scabrosus, var. fennicus, Sarcodon 70
scrobiculatum, Hydnum 72
septentrionale, Hydnellum 72
spathulatum, Hydnum 73
spongiosipes, Hydnum 74
stereosarcinon, Sarcodon 74
suaveolens, Hydnum 75
subfelleum, Hydnum 76
subincarnatum, Hydoum 76
subpallidum, Hydnum 77
Subsuccosum, Hydnellum 77
subzonatum, Hydnellum 78
graveolens var. suLzonatum, Hydnum 79
talpa, Sarcodon 79
tomentosum Hydoum 80
underwoodii, Sarcodon 83
ustale, Hydnum 81
vellereum, Hydnum 82
versipelle, Hydoum . 82
versipelliforme, Hydnum 83
vespertilio, Hydnum 83
fuligineo-violacoum, Hydnum 84
virginianum, Hydoum 8 5
wrightii, Hydnum AS