70 Journal of Mycology [Vol. 14 



9. STROPHARIA COPRINOPHILA Atkinson, Journ. 

 Myc. VIII, 1902. 



Pileus fleshy, convex then expanded and recurved; the flesh 

 thin, white, soft ; the surface dingy white finely floccose, often with 

 numerous appressed scales ; the margin appendiculate with frag- 

 ments of the veil. Stipe equal or somewhat enlarged at the base, 

 fistulous, whitish, fibrillose ; the delicate annulus near the base. 

 Lamellae broad, adnate, grayish then dark brown with a pur- 

 plish tinge; spores purplish-brown or glackish, subelliptic, 7-8 x 

 3.5-4.5 mic. 



Caespitose ; parasitic on clusters of Coprinus atramentarius. 

 New York, Atkinson; Minnesota, Taylor. Pileus 2-6 cm. in di- 

 ameter; stipe 3-7 cm. high, 6-15 mm. thick. 



b. Lamellae rather narrow. 



10. STROPHARIA FOEDERATA A. (Psalliota) 



FOEDERATUS. B. & M. SyLLOGE CrYPT, 1 856. 



Pileus fleshy, ovoid thin campanulate and expanded, the 

 center slightly depressed; the flesh thin, white; the surface ful- 

 vous but sprinkled with minute white scales ; the margin striat- 

 ulate and appendiculate with fragments of the veil. Stipe taper- 

 ing upward, hollow, scaly-squarrose below the ample annulus. 

 Lamellae narrow, adnate behind and tapering thence to the mar- 

 gin of the pileus, at first lilac or rose color, at length becoming 

 brown, spores ovoid oblong, brown, almost lo mic. long. 



Growing on the ground in pastures ; Columbus. O., Sullivant. 

 Pileus 5-7 cm. in diameter, the lamellae about 2 mm. in breadth ; 

 stipe 10 cm. long and 10 mm. and beyond thick. The species 

 should be placed near Str. ocreata Holmsk. 



11. STROPHARIA TUBERCULATA Hypholoma tub- 

 erculatum, Patouillard, Bull. Soc. Myc. 1899. 



Pileus fleshy, at first globulose, greenish, furnished with 

 tuberculi-form scales ; afterward campanulate, at length expanded, 

 thin, smooth or scarcely striatulate. Stipe fistulous, fragile, 

 whitish, rugulose, somewhat scaly below ; annulus thin, membran- 

 aceous, the margin fimbriate, white, persistent, inserted about the 

 middle or upper third of the stipe. Lamellae narrow, reaching 

 the apex of the stipe, white, afterward purplish, at length brown- 

 black ; spores purple, ovoid, smooth, 6-8 x 3 mic. 



Caespitose ; growing on old trunks of Hura crepitans ; Guad- 

 eloupe, Diiss. Pileus 1-4 cm. in diameter; stipe 5-10 cm. long, 

 3-5 mm. thick. 



