42 
Mas see. — A Monograph oj 
Hymenogaster lilotzsehii, Tul. (Fig. 24). Obovate or 
subglobose, fibrillose at the base, dirty white, inside pallid, 
becoming rufous-ochre ; spores broadly elliptic, ends obtuse, 
minutely tuberculose, pale brown, 18-20 x 1 1— 13 /x. 
Hymenogaster Klotzschii^ Tub, Fung. Hypog. 64, pi x, 
f. xii ; Berk., Outl. 295; Cke., Hdbk. n. 1053 ; Wint., Kr. FI. 
874; Sacc., Syll. vii, p. 170. 
Hymenangium album , Klotz., in Dietr., FI. Regni 
Boruss. v, 446 (excl. syn.). 
Hymenogaster albus , Berk., Ann. and Mag. Nat. Hist, 
xiii, 349 ; Fr., Summ. Veg. Scand. 436. - 
Rhizopogon albus , Berk., Eng. Flor. 229. 
Exs. — Rab., Fung. Eur. 142; Karst., Fung. Fenn. 484. 
In pot in greenhouse, Royal Botanic Garden, Edinburgh ! 
Tunbridge Wells ! — Europe. 
About the size of a hazel-nut. peridium white, becoming 
yellowish, clothed with adpressed down, rooting fibres slender. 
Hymenogaster mutieus, B. and Br. (Fig. 20). Globose, 
quite white when young, then tinged with brown and cracked, 
pale yellow-brown within, spores obovate, oblong, very obtuse, 
pale brown, 18-21 x 10-12 /x. 
Hymenogaster muticus , B. and Br., Ann. Nat. Hist., ser. 
2, ii, p. 267; Berk., Outl. 295; Tul., Fung. Hypog. 65, t. x, 
f. 7 ; Cke., Hdbk. n. 1054 ; Sacc., Syll. vii, p. i 72. (Type in 
Herb. Berk. Kew, no. 4459 -) 
Stapleton Grove near Bristol ! 
About an inch in diameter, almost destitute of any absorb- 
ing base, globose, scarcely at all lobed. When young at first 
pure white, but changing with age, especially when rubbed, to 
brownish, and at length much cracked. Substance pale 
yellowish-brown ; rather firm and dry ; cells loose, but smaller 
than in some of the allied species, clothed with reddish brown 
obovate oblong spores, which for the most part are quite 
obtuse, without the slightest trace of an apiculus, and contain 
two or three variously sized oil globules, smell very slight. 
Distinguished from all its more immediate allies by its 
