HYMENOSCYPHA. 1395 
differs in the sporidia and the colour of the disc. This 
is a common species in damp shady woods. 
Name—Virgultum, a twig; from the habitat. 
North Wootton, Norfolk! (Mr. C. B. Plowright). 
Colwyn Bay, North Wales! Shelton Rough, Shrewsbury! 
32. Hymenoscypha fructigena. (Bull.) 
Gregarious, tough, glabrous, pallid, becoming yellow- 
ish; cup patelleeform; stem long, thin, flexuous; asci 
cylindraceo-clavate ; sporidia 8, clavate or fusiform, 
biguttulate, becoming pseudo-l-septate, 15—17 x 3—4n; 
paraphyses filiform. 
Peziza fructigena—Bull., “Champ.,” p. 263, t. 228; 
Batsch., “EL,” t. 150; Sow., t. 117; Pers. “Obs.,” i. 
p. 42; Nees, “Sys,” f 292 Schum., “Saell.,.” p. 420; 
A. and 8., p.331; Fries, “Sys. Myco.,” ii. p. 118 (in part); 
Karst., “Myco. Fenn.” p. 113; Fekl, “Symb. Myco.,” 
p. 314; “Eng. Flo.” v. p. 201. Phialea fructigena— 
Gill, “Champ.,” p. 99, ¢. i. 
Exs—Desm., “Crypt. Fr.,” ed. i. 1060, ed. ii, 460; 
Cooke, “Fung. Brit.,” 479, ed. ii. 392. 
On acorns, beech-mast, and chestnuts. 
The hymenium is usually white at first, afterwards 
it becomes yellow; the exterior dirty white; the stem 
is attenuated towards the base, not unfrequently minutely 
pubescent ; the sporidia vary from clavate to fusiform, 
straight or slightly curved, with two guttule, becoming 
uniseptate. 
Name—Fructus, fruit, gigno, to bear; growing on 
fruit. 
Dinmore, near Hereford! North Wales! Forres, N.B.! 
(Dr. Keith). Scarborough! (Mr. Massee). Colwyn Bay, 
North Wales! 
33. Hymenoscypha laburnt. (B. and Br.) 
Cup shortly stipitate or sessile, concave or plane, 
externally villose, furfuraceous, pale; margin inflexed ; 
hymenium ochraceous, bright-coloured ; asci cylindraceo- 
clavate ; sporidia 8, fusiform, sub-acute or clavate, 2 to 
