silvaticus (Agaricus), 21.
silvicola (Agaricus), 22.
solidipes (Panaeolus), 48.
solitaria (Amanita), 72.
spadicea (Amanitopsis), 75.
speciosa (Volvaria), 141.
spinulifera (Collybia), 132.
splendens (Polystictus), 192.
spreta (Amanita), 69.
squarrosa (Pholiota), 152.
squarrosoides (Pholiota), 152.
stercoraria (Stropharia), 32.
stipticus (Lentinus), 135.
stipticus (Panus), 135.
strictius (Entoloma), 145.
strigosus (Panus), 135.
strobilaceus (Strobilomyces), 184.
strobiliformis (Amanita), 73.
sublateritium (Hypholoma), 26.
subluteus (Boletus), 181.
subrufescens (Agaricus), 23.
subsquarrosa (Pholiota), 152.
subtomentosus (Boletus), 167.
succosa (Mycena), 100.
sulphureus (Polyporus), 190.
sulfureoides (Pleurotus), 107.

tammii (Flammula), 179.
tenera (Galera), 155.
tomentosulus (Pluteus), 140.
tomninosus (Lactarius), 119.
tremellosus (Merulius), 194.

ulmarius (Pleurotus), 102.
umbellatus (Polyporus), 189.
unicolor (Pholiota), 151.

vaginata (Amanitopsis), 74.
variicolor (Bolbitius), 164.
velutinum (Hydnum), 200.
velatipes (Amanita), 63.
velutipes (Collybia), 92.
velutipes (Spathularia), 220.
vermiculosus (Boletus), 177.
verna (Amanita), 60.
vernalis (Naucoria), 154.
verrucosum (Scleroderma), 212.
versicolor (Polystictus), 192.
versutus (Crepidotus), 160.
violacens (Cortinarius), 161.
virescens (Russula), 126.
virosa (Amanita), 61.
volemus (Lactarius), 115.
volvata (Amanitopsis), 76.
vulgare (Scleroderma), 212.
vulgaris (Mycena), 97.
vulpinus (Lentinus), 134.

* * * * * *

Transcriber's Notes:

Page 17
[A] For analytical keys to the families and genera see Chapter XXII.
Changed Chapter XXII to XXIV.
Apparently Chapters were added making these references outdated.

Page 18
[B] For analytical key to the genera see Chapter XXII.
Changed Chapter XXII to XXIV.

Page 32
The spores are black in mass, not purple tinged. For analytical keys
to the genera see Chapter XXII.
Changed XXII to XXIV.

Page 33
Changed kornos to kopros in accordance with printed correction list.

Page 52
The spores are white in mass, or sometimes with a faint yellowish or
lilac tinge. For analytical keys to the genera see Chapter XXII.
Changed XXII to XXIV.

Page 54
Figures 52--54 are from plants (No. 2065 C. U. herbarium) collected in
an open woods near Ithaca.