206 AGARICACE^: Coprimes 



936a. C. roseotinetus Rea (from the rose-coloured meal on the 

 pileus and stem) a. 

 P. membranous, cylindrical, then expanded and revolute, 

 umbonate, fuscous, densely powdered with deep rose-coloured 

 meal ; marg. sulcate. St. hollow, semibulbous below, when 

 young powdered as P., less so at maturity, base white-floccose. 

 G. adnexed, at first white, becoming black. 

 On the ground. Aug. \\ X 2§ x ^ in. Allied to 936 and 946a. 



937. C. eothurnatus Godey in Gill, (from the stem, sheathed with 



woolly squamules at the base, as if buskined; cothurnus, a 



buskin) a b. 

 P. conico-expanded, revolute, reddish-white or pale buff. St. 



white. G. narrow lanceolate, salmon to blackish. 

 Dung, cow. Autumn, i^ x i£ X £ in. 



e. Micacece. 



938. C. mieaeeus Fr. (from the minute shining particles on the 



pileus ; mica, a shining grain) a b c. 

 P. campanulato-expanded, lobed, splitting, yellow-ferruginous ; 

 mid. darker ; marg. plicate, becoming purple-brown. St. white- 

 silky or fibrillose, with an annular ridge near base, white or 

 pale ochreous-whitish. G. adnexed, purple-brown to dark slate. 



Densely clustered. Amongst grass, at base of stumps and posts, gardens ; 

 common. Jan. -Nov. 2§ x 7 X T 3 5 in. Two to three crops annually. 

 Pileus sometimes white. 



938a. C. truneorum Fr. (from its habitat, tree-trunks) a. 



P. at first globose, then campanulate, densely covered with 



micaceous meal, soon naked, then tawny ochreous ; marg. 



striate, not becoming sulcate. St. glabrous, hollow, white. 



G. free, rosy, then black. 



Rotten willows, etc. \\ x 2§ x \ in. Distinguished from 938 by the P. 

 being at first globose, with marg. striate, not plicate, and with free 

 rosy gills. 



939. C. aratus B. & Br, (from a fancied resemblance in the sulcate 



pileus to furrows ; aro to plough) a b. 

 P. campanulate then revolute, umber. St. smooth or silky, with 



a slight annular ridge near base, white, pale sienna-tan within. 



G. lanceolate, dark brown to purple-brown and black. 

 Solitary. Hollow trees, rich ground, dunghills. May-Aug. 2j x 6| X \ in. 



940. C. radians Fr. (from the radiating mycelium at the base of the 



stem) a b c. 

 P. campanulato-expanded, then revolute, tawny ; mid. sienna. 

 St. at first with an annular ridge, then smooth, white or faintly 

 ochreous. G. lanceolate, reddish-purplish-brown to violaceous- 

 black. 



Subcaespitose. Damp plaster walls, sculleries, cracks in ceilings ; uncommon. 

 Jan. -July, if X \\ X \ in. The usually white or olive-ochre mycelium 

 is sometimes black, resembling radiating threads of black silk. 



