SUBSECTION HYGROPHORUS 261 



and odor (Favre 1960, p. 393, and Plate I, fig. 1). Hygrophorus whiteii 



(page 280) has smaller spores, and a warm buff pileus. 



156 



Hygrophorus ponderatus Britz. 



Bot. Centralbl. SO: 117. 1899 



Illustrations : 

 Fig. 77. 

 Smith and Hesler, Lloydia 2. pi. 2. 



Pileus 5-14 cm broad, convex then plane, finally depressed, white, 

 viscid or glutinous, glabrous, margin even and at first incurved and 

 floccose. Context white, compact, thick; odor and taste mild. 



Lamellae adnate to decurrent, white, subdistant, rather broad, nar- 

 row at either end, often subtriangular. 



Stipe 2.5-6(9) cm long, 15-35 mm thick, white, equal or tapering 

 either way, at times subbulbous, and tapering below the bulb, lubri- 

 cous or viscid-glutinous when wet, silkv-nbrillose, solid. Partial veil 

 arachnoid in voung specimens. 



Spores 6.5-9(10) X 4-5.5 fx, ellipsoid, smooth, pale yellowish in 

 Melzer's reagent. Basidia 45-66 X 7-9 /x, 2- and 4-spored. Pleurocystidia 



