THE AGARICACEAE OF MICHIGAN 



468. Inocybe calospora Quel. 



Bresadola, Fungi Trid., 1881. 



[llustrations : Ibid, PI. 21. 

 Plate XCI of this Eeport. 



PILEUS L-3 cm. broad, conic-campanulate at first^ then expanded, 

 umbonate, fuscous-rufescent, fading to ochraceous, umbo darker, 

 covered, except umbo, by loose or recurved fibrillose scales, margin 

 lilnillo.se ;ind paler; flesh thin, pale. GILLS adnexed to almost 

 free, rather narrow, subventricose, pallid then pale fuscous-cinna- 

 mon, edge white-fimbriate. STEM 3-6 cm. long, 1.5-2.5 mm. thick, 

 firm, rigid-elastic, subequal, stuffed then hollow, pale brown, rufe- 

 scent, sprinkled with a delicate pruinosity, bulbillate. SPORES 

 spherical or nearly so, 9-12 micr. diam. (incl. aculeae), covered with 

 cylindrical, blunt aculeae, 2-3 micr. long. CYSTIDIA few or 

 scattered on sides, numerous on edge of gills, subventricose, apex 

 granulate, 40-55x8-12 micr. ODOR none. 



Gregarious. On the ground in low frondose woods. Ann Arbor. 

 June-September. Rather frequent locally. 



This pretty little plant usually occurs in patches of about a dozen. 

 There is a slight rufescent tinge developed as the plant dries. Our 

 s] ecimens had longer and more slender stems as a rule than those 

 shown iii Bresadola's figure. /. rigidipes Pk. is said to approach it, 

 l)ii 1 to "differ in the tawny-gray color, slightly adnexed lamellae, 

 solid flexuous stem and larger spores." N. Y. State Mus. Bull. 139, 

 I . 59. 



Section II. Lacerae. Cuticle of pileus appressed-scaly or fibril- 

 losely-lacerate, not rimose. Stem pallid at first. 



*Spores smooth. 



469. Inocybe pyriodora Fr. 



Syst. Mvc, 1821. 



[llustrations: Gillet, Champignons de France, No. 368. 

 Bresadola, Fungi Trid., Vol. I, PL 52. 

 Patouillard, Tab. Analyt, No. 528. 



PILEUS 3-5 cm. broad, campanulate then plane-expanded and 

 umbonate, sometimes irregularly lobed on margin, whitish when 



