CLASSIFICATION OF ACAKIOS 703 



flesh color iii whitish 1,111, margin thin and al length spreading or 

 recurved. FLESH thickish on disk, white, Boft, rather fragile. 

 GILLS Binnate-adnexed, uncinate, at length Bubdecurrent, crowded, 

 rather narrow, pure white, edge mostly even. STEM 1.5-2.5 cm. 

 long, 2-3 nun. thick, equal, fibrous, hollow, sometimes compressed, 

 tinged flesh color, pruinose above, Bubtomentose below. SPORES 

 minute, oblong, 1-5x2.5 micr., Bmooth, white. ODOR and TASTE 

 none or Bubfarinaceous. 



Gregarious <>r Bubcaespitose. <>n the ground among leaves and 

 debris In frondose woods. Ann Arbor. A.ugus1 September. Infre 

 quent. 



This small species of Tricholoma is well-marked by the Incarnate 

 color of cap and stem which contrasts with the pure white of the 

 gills. Pries has described a species Dear it, T. paeonium, which 

 is said to dillVr in tin- "ruber" -red color of cap which does not 

 fade as in our plants ; the lat ter species ;ils<> has a softer Btem than 

 ours. 



SUBGENUS III. MELANOLEUCA. Pileus glabrous, either 

 watery-spotted, moist or hygrophanous ; not viscid (except when 

 very water-soaked), nor silky, scaly nor granular. FLESH soft, 

 spongy, or very thin, moist, watery or hygrophanous. 



Section I. Guttata. Pileus fleshy, fragile, watery-spotted or 

 rivulose. Usually caespitose. 



741. Tricholoma unifactum Pk. var. 



X. V. State Mus„ Bull. L05, L906. 

 1 Uustral ion : [bid. 



PILEUS 3-8 fin. broad, convex, dull white mottled with watery 

 spots, subpruinose, even, creamy-buff in age. FLESH 1 1 1 i < - ]< <>n disk, 

 iliin elsewhere, white, fragile. GILLS adnexed, becoming emargi- 

 nate, narrow, aarrowed anteriorly, crowded, whitish, edge entire. 

 STEM 5-10 cm. long, prolonged by insertion into a crack in the log, 

 8-15 mm. broad, equal or tapering upward, curved, solid, even, 

 floccose-pruinose, tomentose a1 base. SPORES subglobose, minute, 



:: 1.5x3.5 micr., sn th, white. CYSTIDIA and sterili cells Done. 



ODOR and TASTE Blight. 



