CLASSIFICATION OF AGARICS 237 



the size given by Bresadola, Ricken and Massee. <>n the other hand, 

 Carsten, W. Smith, Bchroeter, Baccardo and Peck give them !> (or 

 11) x 6 micr. and as our suspects from other remarks abont the 



plain, s c other species is probably at times mistaken for if. 



Ricken, whose figure is cumbered, through an error, for thai of p. 

 cretaceuSj emphasizes the point thai in Ins plants the flesh of the 

 siciu becomes blackish in age. This lias imi been observed in our 

 region and the dried specimens do aol show it. Cts edibility is qoI 

 in be quesl ioned. 



226. Psalliota abruptibulba I'k. Edibli 



X. Y. State .Mns. Bull. 94, 1905 (as Agaricus). 



X. Y. State .Mus. Mem. 1. L900 (as Agaricus abntplii.s). 



Illustrations: [bid, PL :»'.». Pig. 8 l I. L900. 

 Bard, Mushrooms, Fig. 254, p. 313, L908. 

 Atkinson, Mushrooms, Fig. L9-20, 1900 (as P. silvicola). 

 Marshall, Mushrooms, PL 26, op. p. IT. 1905. 

 Plate XLVI1 of this Report. 



PILEUS 7-15 cm. broad, convex then ewpanded-plane, brittle, dry, 

 glabrous or covered with white appressed silky fibrils, sometimes 

 obscurely appressed scaly, white or creamy -white, often with dingy 

 yellowish stains on disk, silky-shining. FLESH moderately thick. 

 turning yellowish when bruised, especially under the cuticle. 

 GILLS tree, remote, crowded, narrow, soon pink, then dark brown, 

 edge entire. STEM 8 L5 cm. long, 8-15 mm. thick, cylindrical or 

 tapering upward from a small, subabrupt bulb, relatively slender at 

 times, creamy-white, yellowish when bruised, stuffed then hollow, 

 subglabrous. AXXi'U's broad, double, smooth above, cracking be- 

 low into thick, sometimes evanescent, yellowish patches. SPORES 

 5 6 x •'!- 1 micr.. elliptical, smooth, purple-brown. ODOR and TASTE 

 agreeable. 



Scattered or subcaespitose on the ground among fallen leaves in 

 frondose or mixed woods. Throughoul the State. July-October. 

 Fairly common. 



The species is known by its haliitat in woods, its lint rap at ma- 

 turity which is shining-whitish, the rather slender, abruptly-bulbous 



Stem and the tendency for the tlesh of the cap and stem to become 



yellowish where bruised. It differs from /'. arvensis in its very 

 different stature; from /'. placomyces in the absence of any brown- 

 ish or rufous fibrils on the cap. and from /'. sylvaticus Fr. by its 



