162 BRITISH DISCOMYOETES. 
and Jemon-colour; externally, as well as the tumid margin, 
pallid; asci cylindraceo-clavate; sporidia 8, fusiform, 
straight or curved, 2 to 3-guttulate, 12—17 x 83—4'5y; 
paraphyses filiform, slender, sometimes branched. ‘ 
Peziza sulphurata—Schum., “Saell.,” p. 428 5 Flo. 
Dan.,” t. 1915, f. 2; Fries, “Sys. Myco.,” i. p. 72; Pezia 
thejocroa—Pers., “ Myco. Eur.,” p. 296; “Scott. Nat., 
vi. 122. 
On the ground in pine woods; on fallen leaves of 
pine. Autumn. ; 
Cups } to 2 lines broad; gregarious, at first slightly 
floccose; the stem is short, not unfrequently absent. 
The sporidia are nearly pointed at the extremities. 
Name—Sulphuratus, dressed with brimstone ; from 
its colour. : 
Cawdor, N.B.} 
18. Helotium immutabdile. Fckl. 
Epiphyllous, of a pale unchangeable yellow; the cups 
are scattered, and sessile or attenuated into a very short 
concolorus stem, plane, acutely margined, orbicular or 
slightly repand; asci clavate; sporidia 8, obliquely uni- 
seriate, oblong-ovate, straight, continuous, hyaline, 
11—12 X 3—5u; paraphyses filiform. 
Helotium immutabtle—Fckl., “Symb. Myco.,” nacht. 
i. p. 50. 
Exs.— F, Bh,,” No. 2388. 
On fallen leaves of Populus tremula. 
Cups 1 to 1°5 lines broad. Distinguished from H. 
epiphyllum not only by the constancy of the colour, 
but also the smaller and differently shaped asci and 
sporidia. 
Name—Immutabilis, unchangeable. 
Near Shrewsbury ! 
19. Helotium phyllophilum. (Desm.) 
Cup plano-concave, becoming convex, glabrous, 
hyaline-white or yellowish white ; stem short, or nearly 
