CLASSIFICATION OF AOAUI« 



***<!ills bluish or blackish <ii first. 

 619. Leptonia serrulata Fr. 



Byst. Mycol.j L821. 



[Uustrations : Bard, Mushrooms, Pig. "-'nT. p. 254, 1908. 

 Gillet, Champignons de Prance, No. 137. 



PILEUS 1-3 cm. broad, convex then plane, umbilicate-depressed, 

 not striaU . hi first bluish -black, then smoky umber <>r fuscous squa- 

 mulose, especially in the umbilicus. FLESH thin, nol hygrophan 

 mis, whitish. GILLS adnate, white, tinged bluish-gray, edge black- 

 serrulate, ventricose. STEM 2-5 cm. long, L-2 nun. thick, cartila- 

 ginous, blackish to steel-blue, stuffed then hollow, rigid, equal, *//</- 

 brous, except ih< black-dotted apex, white-mycelioid at base. 

 SPORES 114x7-8 micr., tubercnlate-angular, elongated. SteriU 

 cells on the edge of the .uills. filled with blackish coloring matter. 



Scattered or gregarious. In low we1 places, of mixed hemlock 

 woods in the north ; ash, elm and maple woods of southern .M ichigan. 



Throughoni the State. Jnly-September. Preqnenl Locally. 



This species and Eccilia atrides appear to run into each other. 

 Both are characterized by the black serrulate edge of the gills. In 

 Eccilia they ran down the stem. by a broad tooth. The colors 

 remind one mnch <>t' L. lampropoda, which differs mainly in thai it 

 lias not black-edged gills and is not black dotted ai the apex of the 

 stem. Varieties and related species have been described, indicating 

 thai these two species ran into each other. Var. expallens Fr. is 

 paler; var. lat vipi s Maire has no black dots on the stem ; \ ar. berke- 

 leyi Maire has entire gills. 



620. Leptonia euchroa Fr. 



Byst .Mv.nl.. L821. 



Illustration: Cooke, 111.. PL 334. 



PILEUS 1-2 cm. broad, convex then plane, not umbonate nor 

 truly umbilicate, covered with fibrillost squamules, violacei 

 wine-color, m>t striate, margin fibrillose-scaly. GILLS Bubdistant, 

 very ventricose, narrowed a1 both ends, narrow h adnate, sometimes 



DSeudo deem rent u ben j > i N u ^ i- expanded, rinh I ill I'n si tin n jiiilln!. 



STEM slender, equal, 2-3 cm. long, 2 mm. thick, stnffed then hollow, 

 73 



