Surface avellane- 
us,with a fumosous tint, the 
diSh concolorous . B .fumosiavellaneus. 
/4jPileus cespitose,not 
striate. M.avellaneigriseus. 
, T J*tipe 5-7 cm. long. H.graelllipes. 
^ |Pi leu s, about 1 cm. broad 
Surface avellaneous , striate .M.argillaceus , 
Surface dark-brown,not 
jro ad "*'^*7 1 " ^ M r/ a^, 
-■^TlaKelline or ** 1, ^ //2 - /" 
-r*Ri 
^ Pi leuali Tac~< o'f"^,ome''sha 
Pileus 5-8 mm, Wo ad. 
-p *p37T . Surface lil\c- colored. M.syringeus, 
Surface dark\testaceous , M.testaceus. 
^ 6 377 Piieus l-2cm. bro\d;stipe 2-3 
cm. long. 
Surface lacterioeous; lame- 
llae testaceous\ M.lacterius. 
Surface chestnut-Wo ;la« hat 
omellae. fawn»colarM 
aave 1 1 anbpus^ 
:a^S hoaral‘ 
atle of red.*' ,v< - r6 
M.cinchonensis. 
cafoonicola. 
Pile^^cmr~Br3aBTstT 
5-8 cm, long.-'u^k- 
, M. cor ruga tus, 
^.5-3Vi 
.purus 
rrrm argin at first incurved. 
Lamellae de current; pi 1< 
.leus umbi Locate Qmphalina. 
Piieus white or whitish. 
Pileps about 1 cm. or less 
broad. 
Piieus about 5mm. broad; sti\ne 
6 mm. long. \ 0. nivei color . 
Piieus 8-13 mm. broad; stipe 
1-4 cm .long. 
Piieus not umbonate 
Stipe 2 cm. long; 
piieus 13mm, broad 
Stipe 4 cm. long; 
piieus 8mm, broad. 
Piieus umbonate. 
Piieus convex, with 
an abrupt , smallu 
umbo . 
Piieus conic, with 
a long, pointed 
umbo . 
Piieus 3 cm. or more broad. 
Piieus convex to umbilicate; 
0 .Wbslcyphoides , 
0,te\eitensis. 
0 , cuspio&tella . 
0, acuminata. 
lamellae distant. 
Piieus infundibuliform; 
lamellae crowded , 
Piieus yellww or yellowish. 
Piieus inf undibuliform, 1-1 .5 
cm. broad. 
Surface isabelline 
Surface flavovirens, be- 
coming melleous. 
O.collybii fern's 
0, jalapensis , 
O.lenta, 
O.lgntaila. 
O.flavella, 
