44 
Mas see. — A Monograph of 
Size of a walnut, sometimes smaller. Remarkable for the 
long slender basidia which project into the cavities, often 
monosporous, and sometimes flexuous, sometimes bisporous 
with sterigmata of variable length. 
Hymenogaster vulgaris, TuL (Fig. 13). Subrotund, ir- 
regular, whitish, becoming discoloured, rather soft ; gleba 
dirty white, then dark brown, cavities irregular, rather large ; 
sterile base minute ; spores oblong or oblong-lanceolate, acute, 
attenuated at the base, blackish-brown when mature, rugulose, 
34-40 x 12-14 ju. 
Hymenogaster vulgaris , TuL, ms. ; Berk, and Br., Ann. 
Nat Hist, xviii, p. 74; TuL, Fung. Hypog. 67, t. x, f. 13 ; 
Berk., Outl. 296; Cke., Hdbk. n. 1057; Sacc., Syll. vii, 
P- * 75 - 
Hymenogaster griseus , TuL, Ann. Sci. Nat. ser. 2, xix, 
p. 374, pi. xxvii, f. 1-3 (not of Vitt.) ; Karst., Myc. Fenn. 355. 
Splanchnomyces tener , Corda, Ic. Fung, vi, t. viii, f. 84, 
and t. xiii, f. 108 (not of Berk.). 
Bristol! Leigh! Stapleton! Apethorpe! — France. 
About the size of a hazel-nut. Globose, regular or variously 
lobed, or sulcate. Gregarious, or sometimes subcaespitose. 
Hymenogaster pallidus, B. and Br. (Fig. 17). Small, 
rounded, depressed, nearly smooth, white then dirty tan colour, 
rather soft, within white, then yellow, then pale brown ; sterile 
base obsolete ; spores lanceolate, acute, shortly pedicellate, 
rather rough, 30-36 x 12-14 n ; brown. 
Hymenogaster pallidus , B. and Br., Ann. Nat. Hist, 
xviii, p. 74; Berk., Outl. 296; TuL, Hypog. p. 69; Cke., 
Hdbk. n. 1058 ; Quel., Enchirid. 248 ; Sacc., Syll. vii, 
P- I 73 - 
(Type in Herb. Berk. n. 4465.) 
Cotterstock, Norths.! in a dry fir plantation. Oct. 1865. 
This species, which scarcely exceeds in size a horsebean, is 
nearly allied to the last (H. vulgaris ), but differs in its more 
acute spores as well as in colour. (B. and Br.) 
