COLLYBIA. 129 



front, slightly cut out "behind ; stem about 2 in. long, 

 "2|- lines thick at the apex, [gradually becoming narrow to 

 the base, very wavy, hollow ; spores elliptic-oblong, white, 

 8 x 4-5 IJL. 



Collybia vertiruga. Cooke. 



Pileus |-1 in. across, flesh thin, tough, radiately wrinkled, 

 minutely pulverulent, campanulate, then convex, at length 

 plane, dull brown or grey ; gills adnate, narrow, connected 

 by veins, white with a tinge of yellow; stem 2-2| in. high, 

 i-1 line thick, tawny, minutely velvety, strigose at the base, 

 fistulose. 



Agaricus (Collybia) vertirugis, Cke., Hdbk., ed. 1, p. 147 ; 

 ed. 2, p. 66; Cke. Illustr., pi. 149A. 



Agaricus undatus, Berk., Outl., p. 117. 



On dead fern roots, twigs, &c. 



Distinguished from C. stipitaria by the dingy pileus, and 

 the adnate gills, connected by veins. 



Pileus 1 line to 1 in. broad, campanulate, at length convexo- 

 plane, wrinkled in the direction of the gills, tough, submem- 

 branaceous, minutely pulverulent, dull brown or cinereous. 

 Gills truly adnate, ascending or horizontal, moderately 

 .distant, connected by veins, white with a yellowish tinge. 

 Stem 2-2| in. high, | 1 line thick, strigose at the base, 

 rufous, minutely velvety, fistulose, sometimes compressed. 

 (Berk.) 



Collybia stipitaria. Fr. 



Pileus 2-5 lines across, flesh thin; convex then plane, 

 umbilicate, whitish, clothed with tawny or brown fibrils 

 ihat sometimes form minute squamules ; gills separating 

 from the stem and becoming free, rather distant, ventricose, 

 white ; stem 1-2 in. long, slender, equal, tough, bright 

 brown or bay, more or less hairy, stuffed then hollow. 



Agaricus (Collybia) stipitarius, Fries, Syst. Myc., i. p. 138; 

 Cke., Hdbk., p. (36; Cke., Illustr., pi. 149s. 



On grass, twigs, &c. 



Gregarious. Very remarkable, small, pileus whitish, often 

 discoid, with the habit of Marasmius perforans. (Fries.) 



In some of Cooke's figures the pileus is minutely papillate. 

 Stem shorter than in C. vertiruga, and gills free. 



VOL. III. K 



