56 
II Pileus subfleshy to membranous; stipe smooth 
pruinose, or subtomentose; lamellae squarely 
adnate or decurrent, free in a few small 
plants with tomentose stipe 
Pileus white 
Lamellae decurrent 
Pileus papillate 
Spores 10s on more longaenasce eee sie 
Spores less than 10 » long 
Lamellag “closexactane se ene ote 
Eamellaemdistante-meneenseecae eer 
Pileus not papillate 
Lamellae broad 
Stipe bulbous; growing upon soil and 
buried twigs; spores 7-9 » long.... 
Stipe increasing upward; growing 
upon wood or other vegetable de- 
bris; spores 10-12 p long.......... 
Lamellae narrow 
Lamellae and stipe with minute resin- 
GUS MIMS Ole les ococosnacacec 
Lamellae and stipe without resinous 
PaLticleswornmnalESee ase ieee 
Lamellae not decurrent 
Gy stiditampnes emt tar -eteere less cserelsc cvereretot ete 
Cystidia absent 
Spores irregularly angular: ee ece cect 
Spores not angular 
Odonsstronge tesa order snosds 
Odor not strong 
Stipe hollow, base swollen above and 
contracted to a point below...... 
Stipe of uniform thickness 
Stipe very short, upon herbaceous 
DEM Th SWAG oo oocognooous 
Stipe not very short 
Pileus not distinctly striate or 
plicate 
Stipes pallid ean ee nseee eae 
Stipe becoming reddish...... 
Pileus distinctly striate or pli- 
cate 
Lamellae narrow, adnexed.. 
Lamellae broadly adnate..... 
Pileus not white 
Lamellae decurrent 
Pileus yellow to ferruginous............. 
Pileus not yellow or ferruginous 
Stipe ielabrousabovess se ceeeeoaeenee 
NEW YORK STATE MUSEUM 
21M.magnisporus 
27 
22 
23 
21 
34 
M 
M 
.papillatms 
. lanieivditts 
bevel aulites 
.-magnisporus 
Eure Snore 
.salignus 
.squamula 
pill) Gatepless 
perforans 
. praeacminuws 
/caricicola 
SO praeides 
.ramulinus 
. phy llop hits 
= Ln Sultainennts 
.tomentosipes 
.alienus 
