82 NEW YORK STATE MUSEUM 



Pileus 5-8 cm broad; stem 5-8 cm long, 5-8 mm thick. 



Single or cespitose. On or about old stumps. Albany co. 

 x\ugust to October. Not common. 



The ornamentation of the pileus is variable. The hairlike fibrils 

 are sometimes elongated and appressed, sometimes collected in 

 tufts. They are often black and occasionally coarse and strigose, 

 specially on the margin. 



Hypholoma rigidipes Pk. 



RIGID STEM IIYPHOLOMA 

 N. Y. State Mus. Bui. 139, p. 24, pi. Ill, rig.i-6. 



Pileus fleshy, thin, convex or broadly convex, dry, fibrillose 

 squamulose, tawny brown, often reddish in the center, flesh 

 whitish, taste mild ; lamellae close, narrow, slightly sinuate, ad- 

 nexed, brownish red becoming dark purplish brown or black ; stem 

 slender, rigid, equal, hollow, fibrillose squamulose, colored like or 

 little paler than the pileus; spores broadly ellipsoid, apicuiate, 

 10-12 !i long, 6-8 !J. broad. 



Pileus 2.5-5 cm broad; stem 5-10 cm long, 4-6 mm thick. 



Gregarious. Damp places among tall herbs. North River, War- 

 ren CO. September. Rare. 



This species is well marked by its gregarious mode of growth. 

 In the ornamentation of the pileus it is related to the preceding 

 species, but it differs in its mode of growth, smaller size, more 

 slender rigid stem and larger apicuiate spores. 



Hypholoma boughtoni Pk. 



BOUGHTON HYPHOLOMA 



N. Y. State Mus. Bui. 139, p.23, pi. II, fig.-i-; 



Pileus fleshy, thin except in the center, broadly convex or sub- 

 hemispheric, rarely with an umbo, glabrous or slightly fibrillose, 

 often concentrically or areolately cracking, pale reddish brown or 

 grayish brown, flesh whitish, taste disagreeable ; lamellae moderately 

 close, adnate, purplish brown, seal brown or blackish, obscurely 

 spotted, whitish on the edge ; stem equal, floccosely fibrillose, striate 

 at the top, hollow, white or whitish ; spores broadly and unequally 

 ellipsoid, apicuiate, black on white paper, 10-12 // long, 7-8 jj. 

 broad. 



Pileus 2.5-7 cm broad ; stem 2.5-6 cm long, 4-10 mm thick. 



Ground in woods or open places. Albany, Monroe, New York 

 and Tompkins counties. August and September. 



