Part 4, 1915] AGARICACHAE 
Surface of pileus fulvous. 
Pileus 3-4 mm. broad; densely cespitose. 
Pileus 6-10 mm. broad. 
Stipe pellucid. 
Stipe fulvous to brown. 
Pileus 6 mm. broad; lamellae crowded. 
Pileus 10 mm. broad; lamellae distant. 
Stipe blackish, 
Stipe reddish-brown. 
Surface of pileus avellaneous to umbrinous or brown, often tinged with 
rose or bay, not fading to white on drying. 
Stipe less than 2 cm. long. 
Stipe black. 
Stipe not black. 
Lamellae cream-colored. 
Lamellae pale-fuscous. 
Stipe more than 2 cm. long. 
Stipe 2-3 cm. long. 
Stipe 4-6 cm. long. 
Surface of pileus blackish-blue-green; pileus 8 mm. broad; stipe 12 mm. 
long. 
Surface of pileus pale-red, fading to isabelline on drying; pileus 5-8 mm. 
broad; stipe 2-2.5 cm. long. 
Surface of pileus bay. 
Pileus 5 mm. broad. 
Pileus 5-10 mm. broad. 
Lamellae pallid; stipe glabrous. 
Lamellae adnexed; stipe 0.5-1 mm. thick. 
Lamellae adnate to a slight collar; stipe 0.5 mm. thick. 
Lamellae fulvous; stipe pubescent. 
Surface of pileus dark-purple; lamellae few, dark-purple on the edges 
when young. 
Pileus medium to large, more than 1 cm. broad. 
Surface of pileus mostly white or pallid, sometimes darker at the center. 
Pileus becoming eccentric; stipe usually rather short and curved. 
Stipe white above, reddish-brown below. 
Stipe rosy-isabelline throughout. 
Pileus 1-1.5 cm. broad. 
Pileus 2 cm. broad. 
Pileus never eccentric; stipe long, erect. 
Pileus plane, umbonate, 12-18 mm. broad; lamellae distant. 
Stipe 0.5 mm. thick. 
Stipe 1-1.5 mm. thick. 
Pileus convex to subexpanded, not umbonate, 0.5-2 ecm. 
broad; lamellae subcrowded. 
Pileus conspicuously depressed, 4-6 cm. broad. 
Surface of pileus white to plumbeous, umbilicate, 12 mm. broad; stipe 
twisted, 6-8 cm. long. 
Surface of pileus pale-green. 
Surface of pileus isabelline or fulvous, sometimes with grayish tints. 
Pileus 1-3 cm. broad, rarely larger in M. montanus. 
Pileus convex, rarely fully expanding, umbonate or gibbous. 
Stipe 3 em. long. 
Stipe 4-8 em. long. 
Pileus gibbous; lamellae crowded. 
Stipe grayish-pulverulent. 
Stipe glabrous, polished. 
Pileus prominently umbonate; lamellae not crowded. 
Pileus plane or depressed, never umbonate. 
Stipe glabrous. 
Lamellae white. 
Lamellae fulvous. 
Stipe pruinose, becoming subglabrous at times. 
Stipe 5 mm. thick; species terrestrial. 
Stipe 1-2 mm. thick; species not terrestrial. 
Stipe densely velvety-pruinose. 
Stipe whitish-pulverulent to subglabrous. 
Pileus 7-15 mm. broad. 
Pileus 2-4 cm. broad. 
Pileus plane. 
Pileus umbilicate or depressed. 
Pileus 4-7 cm. broad. . 
Lamellae free; stipe 2.5 cm. long. 
Lamellae adnate; stipe 5 cm. long. 
Surface of pileus bay, chestnut, reddish, or ferruginous. 
Lamellae crowded and connected by conspicuous reticulate veins. 
Lamellae distant, not conspicuously connected by veins. 
Pileus ferruginous, 4 em. broad. 
Pileus bay or chestnut, not more than 2 em. broad. 
KEKE © 
KS ESE REE 
= SES 
SE SK SE EE S 
SSS 
= & ES SE 5 5 & 5S 
261 
aciculaeformis. 
hinnuleus. 
personatus, 
sulcatipes. 
rugulosus. 
musicola, 
picipes. 
Underwoodit. 
tenebrarum. 
colimensis. 
soliformis. 
atroviridis. 
pallescens, 
jamaicensis, 
Wilsonii. 
paucifolia. 
portoricensis. 
atropurpureus. 
stenophyllus, 
troyanus. 
subplexifolius, 
albofuscus. 
cubensis. 
hinnuleiformis. 
clitocybiformis. 
tortipes. 
viridifuscus. 
Harrisii, 
cinereialbus. 
jalapensis. 
obsoletus. 
putredinis. 
coracicolor. 
pruinosifolius., 
cervinicolor, 
bahamensis. 
hemileucus. 
montanus. 
. fibvosipes. 
subpruinosus. 
: polyporoides. 
Berteroi. 
