HYMENOSCYPHA. 115 
B. SPORIDIA CYMBIFORM. 
3. Hymenoscypha sclerotiorum. (Lib.) 
Cup infundibuliform, becoming plane or convex, pale 
brown, rather firm, glabrous, margin entire ; stem slender, 
more or less elongated, flexuous, of the same colour, arising 
from a black sclerotium; asci cylindraceo-clavate ; sporidia 
8, broadly elliptic, sometimes unequal-sided, biguttulate, 
9—13 x 54; paraphyses filiform, more or less enlarged 
upwards. — ; 
Peziza sclerotiorwm—Lib., exs. 326; Brefeld, “Schim.,” 
heft. iv. c.i.; Cooke, “ Grevillea,” xii. p. 44, P. Selerotii— 
FekL, “ Bot. Ztg.,” 1861, No. 35, with figure. Sclerotinia 
Iibertiana—Fckl.,, “Symb. Myco.,” p. 331. Peziza pos- 
tuma—Berk. and Wilson, Gard. Chron., Sept., 1883. 
Smith’s “ Diseases,” p. 15, with figures. Phialea sclero- 
tiorwm—Gill, “Champ.,” p. 98, ¢. i. (sporidia bad). 
Exs.—Lib., “Crypt. Ard.,” 326; Fekl., “F. Rh,” 1861. 
On Sclerotiwm compactum on Brassica napus, and 
S. variwm on potato-stalks. 
Cup } to 2 lines broad; stem very variable in length 
according to the conditions under which it grows. 
On Sclerotiwm compactum in Herb. Berk. 
Name—Selerotium, a tuberous fungus. 
Artificially cultivated on S. varvwm by Mr. Wilson! 
4. Hymenoscypha Duricana. (Tul.) 
Cup cyathiform, then expanded, at length nearly 
plane, glabrous, thin, succulent, fragile, pale brown; stem 
arising from a sclerotium, firm, cylindrical, straight or 
‘flexuous, brown, blackish near the slightly hirsute base ; 
asci cylindrical; sporidia 8, cymbiform, ends obtuse, 
10—15 X 6u; paraphyses filiform, stout, disappearing 
when old. i 
Peziza; Duriwana—Tul, “Select. Fung. Carp.,” i. 
p. 108, and iii. pp. 200, 203, t. 22, f. 20-24. 
Exs.—Rehm, “ Asco.,” No. 608; Winter, “Fungi 
Eur.,” 2749. 
