CLASSIFICATION OF AGARICS 229 



rowly initiate, broad, ventricose, close, white at first, then ashy to 

 black, variegated by the spores, edge white-fiocculose. STEM Long 

 ami rather stout. 8-20 cm. Long, 5-15 mm. thick, equal, firm, solid, 

 fibrous, glabrous, white within and without, apex striate and 

 beaded with drops, Btraighl or curved at base, sometimes twisted. 

 SPORES broadly elliptical, abruptly narrowed a1 base, smooth, 

 L5-18x9-ll micr., black. STERILE CELLS on edge of gills, 

 broadly Lanceolate, •".i»::.~> micr. Long, subobtuse. BASIDLA Bhort- 

 clavate, aboul 33x14 micr., L-spored. ODOR and TASTE slight. 

 Edible. 



Gregarious or subcaespitose. On manure piles rich in Btraw, on 

 dung and on richly manured lawns. Ann Arbor. May-July. Spaa 

 modic. 



This is our largesl Panceolus and an excellenl Bpecies for the 

 tahlc It is probably to be found throughoul the southern part of 

 the State: it lias only appeared during a few seasons hut then in 

 abundance. The large size, white color when Fresh, the solid stem 

 and the marked striations on the upper portion of the stem are its 

 distinguishing characters. The striations sometimes extend the 

 whole length of the stem. Tts flavor when cooked is quite agree- 

 able. It is often a noble plant and our illustration does not do it 

 justice. 



■ 



219. Panoeolus retirugis Fr. (Suspected) 



Epicrisis, L838. 



Illustrations: Gillet, Champignons de Prance, No. 509. 

 Murrill, Mycologia, Vol. 3. PI. L0, Pig. 7. 

 Atkinson, Mushrooms, PI. 11. Pig. L5, p. L5, L900. 

 Hard. Mushrooms, PI. L0, Pig. l'TC. p. 340, L908. 

 Reddick, End. Geol. & Nat. Bist. Resour. Rep. 32, Pig. ".». p. 

 1231, L907. 



PILEUS 1 •"'• cm. broad, rather titan, at firsl elliptic-oval, then 

 campanulate-hemispherical, obtuse, glabrous, dark smoky when 

 young nmi wet, becoming paler, or in dry weather grayish, pale 

 (day color or creamy-white, shining-micaceous when dry, surface 

 usually reticulate-veined <>» dish-, sometimes even, margin connected 

 with stem in young stage by " floccose-submembranous, ring-likt 

 veil, veil soon broken and margin markedly appendiculate in es 

 panded pileus. PLESE rather thin, equal. <;ild.s adnate-seced- 

 ing, broad, ventricose, close, white then variegate-spotted by the 



