I CLASSIFICATION OF AGAR] :.ll 



579. Pluteus roseocandidus Atk. 

 Ann. Mycol.j VoL \' 1 1, p. 373, L909. 



PILEUS 2-3 cm", broad, fragile, convex then expanded, glabrous, 

 dry, pure white, sometimes tinged rose or brownish-buff in wet 

 weather, striatulate on the thin margin, with a dull lustre. ri.lisil 

 thin, white. GILLS tree, peaching the stem, elliptical, cli 

 rounded behind, moderately broad, liyphae <•! trama converging, 

 white a1 firsl then pink. STESJ :'. I cm. long, 2.5 I nun. thick, equal, 

 even, hollow, glabrous, slightly mealj at apex, fragile, terete or 

 compressed, subbulbillate, innately fibrillose, pun white. SPOKES 

 globose, smooth, n* micr., pale diam., flesh color under microscope. 

 CYSTIDLA few or lacking on sides of .uills. 8teriU cells on «■ 

 globose <»r ventricose-inflated, obtuse, 50-80x20-35 micr. Basidia 

 30x8-9 micr., 14-spored. ODOK none. 



Gregarious. <>n grassy ground in woods near tamarack Bwamp. 

 Ann Arbor. October. Rare. 



Tliis white species is s;iiii to have .i two-layered trama in the 

 pileus, the inner floccose, the outer forming n cuticle two to three 

 cells thick of pyriform to subglobose cells. I have found it bu1 



once. 



Section II. Surface of pileus granulose, pruinate or pulverulent, 

 composed of enlarged globular pyriform or fusoid-elongated, color- 

 ed cells. 



580. Pluteus granulans Pk. 



Buffalo Soc. Nat. Sci., Bull. I. L873. 

 Qlustration: Bard, Mushrooms, Fig. 190, p. 237. 



PILEUS 2-5 cm. broad, convex to plane, subumbonate, ni( 

 wrinkled, yellowish-brown to umber, or chestnut color, granuh 

 or villose-granulose like plush. GILLS free, crowded, rather broad, 

 ventricose, white then flesh-colored from spores, edt icolor. 



STEM 3 7 cm. long, 2-4 nun. thick, slender, equal, solid, pallid, 

 velvety puoescenl or covered with brown scales towards base. 

 SPORES globose, 1-5 micr. diam., apiculate, nucleate, smooth, 

 flesh color. CYSTIDLA globose-obovate, aboul 35-25 micr.. inl 

 quent, hyaline. * 



