BASIDIOMYCETES 387 



when young, then honey-colour, with minute scales ; gills 

 adnato-decurrent, white, with a pallid tinge; stem 3-5 in. 

 long, dingy ochraceous, honey-colour below, often more or 

 less floccose below the ring; spores white, elliptical, QX 

 5-6 p. 



Usually tufted, with blackish, cordlike mycelium per- 

 meating the bark or soil. 



Armillaria mucida, Schrad. Pileus 1-4 in. across, 

 hemispherical, then flat, whitish, or grey, very glutinous ; 

 gills broad, white ; stem 2-5 in. long, thickest at base, 

 white, often with dark squamules, ring tumid; spores 

 elliptical, 14-16x8-9 /x. 



Often clustered. 



Marasmius, Fries. Tough, thin, dry, reviving their 

 form when moistened (not putrescent). Veil absent (except 

 in one sp.) ; stem cartilaginous or horny; gills tough, sub- 

 distant or distant, often connected by veins, edge acute ; 

 spores white or pallid. 



Marasmius semiustus, Berk, and Curt. White, becoming 

 rufous when dry ; pileus excentric, convex, then plane, 

 rugulosely sulcate, glabrous, J-f in. across ; gills approach- 

 ing the stem, distant, connected by wrinkles ; stem J in, or 

 more long, compressed, glabrous, producing a small, whitish 

 sclerotium in the decaying tissues of the host, 2-3 mm. 

 diam. 



Marasmius sacchari, Wakker, De Ziet. van het Suikerriet 

 op Java, p. 194, pi. v. (1898). Gregarious or fasciculate at 

 the base, variable, flesh membranaceous, persistent ; pileus 

 white, broadly campanulate, then dingy white and plane or 

 cup-shaped, 15 mm. diam.; gills white, simple, or bifur- 

 cate; stem central, white, 15 mm. long, apex tubiform, 



