272 SECTION HYGROPHORUS 



163 



Hygrophorus discoideus ( Fr. ) Fr. 

 Hymen. Eur., p. 408. 1874 



Agaricus discoideus Fr., Syst. Myc, p. 33. 1821. 



Limacium discoideum (Fr.) Kummer, Fiihr. in Pilzk., p. 119. 1871. 



Illustrations: 

 Fig. 82. 



Bresadola, Icon. Myc, tab. 310. 

 Juillard-Hartmann, Icon. Champ., pi. 50, fig. 19. 



Pileus 2-5 cm broad, convex or with a slight umbo at first, at ma- 

 turity with a decurved margin and the disc flattened or umbonate, at 

 times with an elevated margin in age, glutinous to viscid, glabrous or 

 faintly downy near the margin at first, "hazel" to "chestnut" on the 

 disc, "salmon-buff" to "ochraceous buff" near the margin, scarcely fad- 

 ing. Context thin, whitish or tinged testaceous, odor and taste not dis- 

 tinctive. 



Lamellae whitish or tinged pinkish tan, close to subdistant, narrow, 

 decurrent. 



Stipe 4-9 cm long, 3-5 mm thick, equal, solid, becoming hollow, 

 evenly white fibrillose above, slightly viscid below from the scant re- 

 mains of a distinct gelatinous universal veil, upper portion covered with 

 white fibrillose points, white over all, occasionally with gilvous stains at 

 the base. 



Spores 5.5-7 X 3.5-4.5 fi, ellipsoid, smooth, pale yellowish in Mel- 

 zer's reagent. Basidia 40-56 X 6-7 /x, 4-spored. Pleurocystidia and 

 cheilocystidia none. Gill trama divergent, hyphae 5-10 ll. Cuticle a 

 gelatinous zone 70-180 /* thick, with loosely tangled imbedded hyphae 



Fig. 82. H. discoideus 



