638 THE AGARICACEAE OF MICHIGAN 



677. Lepiota granulosa Fr. 



Syst. Myc. 1821. 



Illustrations: PatouiUard, Tab. Analyt.. No. 611. 

 Ricken, Bliitterpilze, PI. 81, Fig. 3. 

 Cooke, 111., PL 18, Vol. I. 



PILEUS 3-6 cm. broad, ovate then convex-expanded, obtuse or 

 subumbonate, furfuraceous-granular, often radiately wrinkled, 

 ochraceous tinged brick-red, but varying to buff or dark-rufous with 

 a hoary lustre. FLESH thin, white, rufescent. GILLS adnexed, 

 rounded behind, close, medium width, white. STEM short, 2-5 cm. 

 long, 4-8 mm. thick, stuffed to hollow, equal or tapering upward, 

 granulose to floccose-scaly and pale reddish up to the slight evane- 

 scent annulus, whitish at apex. SPORES minute, 4-5x3-3.5 micr., 

 ovate, smooth; cystidia none. 



(Dried: Cap and scales of stem rufous-ochraceous, gills ochra- 

 ceous-alutaceous. ) 



Gregarious to subcaespitose. On leaf-mould, mosses, etc., in 

 open woods of maple, oak, hemlock, etc. Ann Arbor. Marquette, 

 New Richmond. August-October. Local but frequent. 



The spores are smaller than given by PatouiUard (Tab. Analyt. i 

 and Quelet and Battaille (Flore des Am. et des. Lep.). Hennings 

 in Engler & Prantl, however, gives the size as found in American 

 plants. Also our plants are usually shorter and thicker stemmed 

 than the figures of PatouiUard and Cooke would indicate, i. e., the 

 plant is more squat, except possibly when it grows in low, wet 

 situations. It approaches other species, like L. charcharias and L. 

 amianthina, which were formerly called varieties of it. There is 

 a hoary sheen to the granularity on the cap, by which one may 

 know it. The way the gills are attached distinguishes it from the 

 three preceding species. 



678. Lepiota pulveracea Pk. 

 X. Y. Mus. Rep. 54. p. 144, 1900. 



"PILEUS 1-2.5 cm. broad, hemispheric then convex-expanded, 

 pulverulent or minutely granulose and squamulose, even, tawny or 

 paler. GILLS adnexed, close, thin, narrow, yellowish-white. STEM 

 equal, hollow, sheathed with delicate brownish, small granulose 



