AGARICS WITH WHITE SPORES 



(Plate IX\ c), one of the distinguishing 

 features of which is a somewhat more defi- 

 nite stem, while P. sapidus is regarded by 

 many as a synonym of the ^'Oyster Mush- 

 room." Some would differentiate P. sapi- 

 dus on account of a lilac tint exhibited by 

 the spores when caught fresh in quantity. 

 Collybia, In this genus there are many 

 edible species, but with one exception they 

 do not occur, as a rule, in such abun- 

 dance as to make them of horticultural in- 

 terest. The spores are white and the pileus 

 may be white or variously colored. Colly- 

 bia velutipes is a form occurring in clus- 

 ters on stumps and roots in the late fall or 

 early winter. The pileus is reddish brown 

 in color; the plants are somewhat tough in 

 texture, but they are pronounced to be of 

 excellent flavor. 



Lactarius, including those species of 

 mushrooms which yield a milky juice when 

 the gills are cut or injured, is represented 

 in our woods by several species of which the 

 commoner edible ones are Lactarius de- 



171 



