REPORT OF THE STATE BOTANIST I914 57 



Stipe not glabrous above 19 M. contrarius 



Lamellae not decurrent 



Pileus small, 2mm or less broad 



Plant minute, pubescent 43 M. minutissimus 



Plant not pubescent 



Pileus smoky-brown, smooth 41 M. concinnus 



Pileus pale straw color, striate 42 M. cucullatus 



Pileus more than 2 mm broad 

 Stipe beset with white or tawny hairs. .. i5M.elongatipes 

 Stipe not beset with hairs 



Stipe brown or blackish 35 M. insititius 



Stipe not brown or blackish 

 Stipe glabrous; pileus reddish- 

 brown 38 M. leptopus 



Stipe farinaceous or subtomentose 

 Pileus white with a reddish disk 

 Stipe contracted to a point 



below 31 M.praeacutus 



Stipe not contracted to a point 



below 40 M. ramealis 



Pileus rufescent 39 M. o 1 n e y i 



Pileus pale-yellowish-brown then 



whitish, plicate-striate 35 M. insititius 



III Pileus usually membranous ; stipe smooth 

 and shining except in a few small plants 

 with a pileus less than 5 mm broad 

 Plants small; pileus usually less than 3 mm 

 broad 

 Pileus white 



1-2 mm board, smooth 44 M. filopes 



Small, less than 1 mm ; hairy under a lens. 43 M . minutissimus 

 Pileus not white 



Stipe pale straw colored 42 M . cucullatus 



Stipe neither yellow nor straw colored 



Stipe blackish brown, shining 45 M . m i n u t u s 



Stipe pallid, brownish below 



Cystidia present 46M.pirinus 



Cystidia absent 47 M . t h u j i n u s 



Stipe white 41 M . concinnus 



Plants larger; pileus usually over 3 mm broad 

 Pileus fleshy or subfleshy 



Plants with odor of onions 48 M . a 1 1 i a t u s 



Plants without odor of onions 

 Pileus white or light yellow 



Stipe brown, mycelioid ; cystidia 



present 50 M. delectans 



Stipe reddish brown, not mycelioid; 



cystidia absent 49 M . calopus 



Pileus not white or light yellow 



Cystidia present; lamellae broad 51 M. glabellus 



Cystidia absent 52 M . b e 1 1 i p e s 



