Jan. 1908] Species of Agaricaceae 31 



a. Pileus smooth and dry, not viscid. 



12. HYPHOLOMA FASICULARE, Agaricus fascicu- 

 LARis Hudson, Flora Augl. 1778; Willdenow, Flora Berol. 

 1787 ;WiTHERiNG, Arr. IV, 1796; Hypholoma papillatum 

 Fatouillard, Bull. Soc. Myc. 1898. 



Pileus fleshy, ovoid then campanulate and expanded, subum- 

 bonate ; the flesh thin, yellow ; the surface smooth and glabrous, 

 yellow, fulvous in the center. Stipe slender, flexuous, fistulous, 

 fibrillose, yellow within and without. Lamellae narrow, crowded, 

 adnate, at first sulphur-yellow, becoming green; spores elliptic, 

 •C-y X 4 mic. 



Densely caespitose ; growing on old stumps and about them 

 on the ground. Probably common everywhere. Pileus 3-5 cm. 

 in diameter; stipe 3-10 cm. or more in length, 2-4 mm. thick. 

 Readily distinguished by its color, thinness and intensely bitter 

 taste. 



13. HYPHOLOMA LATERITIUM, Agaricus lateri- 



TIUS SCHAEFFER, InDEX, I774; PeRSOON,, CoMM. 180O; AgARICUS 



fascicularis, Var. 3, Withering, Arr. IV, 1796; Agaricus 

 sublateritius Fries, Epicrisis, 1836; Agaricus perplexus 

 Peck, 23 N. Y. Rep. 1870. 



Pileus fleshy, convex then expanded, obtuse, discoid ; the 

 flesh rather thick, compact, white then yellowish ; the surface 

 smooth, becoming glabrous, tawny to brick-color, paler toward 

 the margin. Stipe tapering downward, stufifed, fibrillose, ferrugi- 

 nous. Lamellae rather narrow, close, adnate, at first whitish, 

 becoming sooty-ochraceous ; spores purple-brown, elliptic, 6-7 x 

 3-4 mic. 



Subcaespitose ; growing on and about old stumps ; common 

 everywhere. Pileus 6-10 cm. in diameter; stipe 8-12 cm. or more 

 long, 6-10 mm. thick. A large and variable Agaric; the taste 

 "bitter. 



14. HYPHOLOMA CAPNOIDES Fries, Obs. II, 1818; 



ICONES, 133. 



Pileus fleshy, convex then explanate, obtuse; the flesh thin, 

 white ; the surface dry, smooth and glabrous, yellowish to ochra- 

 ■ceous ; the veil white, appendiculate. Stipe equal, often curved 

 and flexuous, fistulous, silky-smooth, pallid. Lamellae broad, 

 rather close, adnate, gray-blue becoming purplish-brown ; spores 

 elliptic, 7-8 X 4-5 mic. 



Caespitose ; growing on trunks of Pine in mountain woods, 

 Pacific Coast Cat. Pileus 3-7 cm. in diameter; stipe 5-10 cm. 

 long,' 4-8 mm. thick. Odor and taste mild. 



