CLASSIFICATION OF AOAKICS 213 



Section III. Picacei. Universal veil flocculose, a1 ftrsl contin- 

 uous, then torn into superficial areolate patches by the expansion 

 of the pileus. 



191. Coprinus quadrifidus Pk. 



X. V. State -Mus. Rep. 50, p. 100, 1897. 

 Illustration: Plate XXXIV of this Report. 



PILEUS 5-8 cm. broad, oval then campanulate, finally more or 

 less expanded, thin, margin becoming revolute; covered ;c ftrsl with 

 ;i ftoccose-tomentose veil, which sunn breaks into evanescent flakes 

 or scales and reveals the finely striate surface of the pileus; whit- 

 ish, becoming gray or grayish brown with age; margin often wavy 

 or irregular. GILLS broad, thin, crowded, free, at fust whitish. 

 then dark purplish brown, tinally black, STEM 7-10 cm. long by 

 6-8 mm. thick, equal or slightly tapering upward, hollow, white, 

 floccose-squamose, sometimes with an evanescenl ring ;it tin- base. 

 SPORES 7.5-10 x I •". mice 



Gregarious or caespitose a] r near decaying stumps or Logs, 



growing from an abundanl rhizomorph. Ann Arbor, Bay View. 



Although nothing is said in the original description aboul the 

 rhizomorph, some few strands may lie seen at the base <>r the stem 

 in some of the type specimens. The writer has found this plain 

 growing in New York from richly developed rhizomorph upon the 

 roots and trunk of dead basswood. 



192. Coprinus ebulbosus Pk. 



Bull. Torr. Bot. CI. 22, 1895. 



illustrations: Bard, Mushrooms, Fig. 274. 

 Plates XXXV ami WW I of this Report. 



PILEUS 5-7 cm. broad, thin, campanulate, somewhal striate, 

 grayish brown, margin .it Length revolute, Lacerated, cuticle break- 

 ing into broad superficial persistenl whitish scales. GILLS nar- 

 row, thin, crowded, five, slate colored becoming black. STIPE 7 L5 

 (an. Long, H>1.", mm. thick, equal, hollow, while. SPORES 7.W> \ 

 5 micr.. ellipl ical. 



Caespitose near or upon decaying trees or slump-. 



