CLASSIFICATION OP AOARK 



varieties are Deeded. The i/. clavicularis ^^ i ■ - » 1 1 1 » differs from t In- 

 1/. epipferygia group in the lack of a viscid pellicle on the pileus. 

 Until these i\\" groups have been more I' > 1 1 ! \ studied with reference 

 ii> ilic microscopic characters, ii is better n< >i to segregate iiev» 

 species from them. Pries' figure shows ;i yellowish plant, some 

 wh.it smaller t ban v&r. luU ipes. 



Section III. Basipedes. Stem dry, jniceless, not rooting, the 

 base naked and dilated into a disk, or Btrigose and Bwollen into .1 

 little i»iill>. Verj thin, solitary, becoming Baccid. 



837. Mycena stylobates I'r. 



Syst. Myc, 1821. 



[llustrations : Cooke, III.. PL 249. 

 Berkeley, Outlines, PL 6, Pig. •">. 

 Patouillard, Tab. Analyt., No. 624. 



PILEUS 3-6 mm. broad, campamilate-convex, obtuse, dry, gla- 

 brous, white, striate. FLESH membranaceous. GILLS free, dis 

 tinct behind, distant, ventricose, white. STEM, 2-5 cm. 1<>hl:. 

 form, hollow, white, equal, glabrous, dry, seated upon an orbicular, 

 plum . striate subvillose base. 



Solitary on fallen Leaves, in fr lose woods. Ann Arbor. Octo 



ber. Rare. 



Only i\\<> specimens were obtained. The i>ili'ii> of our plant was 

 glabrous, Lacking the scattered pilose hairs attributed i<> it. Very 

 delicate and fragile. 



»o 



838. Mycena crystallina Pk. 

 \. v. State Miis. Rep. 11, L888. 



"PILEUS HO mm. broad, conical then campanulate, subumbon 

 ate, pure white to creamy-white, obscurely Btriatulate, pruinat* 

 under Lens, due to minute, shining, glandular, capitatt hairs ■'"■l 

 particles. PLESH membranaceous. GILLS narrow, narrowly ad 

 oate or scarcely adnexed, thin, close, white. STEW 2-5 cm. I< 

 filiform, hollow, white and adorned Like pileus, attached by a wh 

 hairy strigose base. SPORES narrow, 7-9x3 micr., smooth, white. 

 CYSTIDLA none. 



On cedar twigs, mosses, etc., in cedar and tamarack swam] 



