300 BRITISH DISCOMYCETES. 
Exs.—F ckl., “ F. Rh.,” No. 1858; Karst., “Fung. Fenn.,” 
No. 552. 
On cow and rabbit dung. 
Cups 100 to 200u broad. 
Name—After Dr. M. C. Cooke. 
Near Hereford (Mr. J. Renny). Near London (Dr. 
M. C. Cooke). Near Bath (Mr. C. E. Broome). Forres, 
N.B.! (Rev. Dr. Keith). 
2. Ryparobius dubius. Boud. 
Scattered, excessively minute, often immersed, rotun- 
date, pallid-grey or fulvous; hymenium convex, pellucid, 
immarginate; asci oblong or oblong-ovate, hyaline, 
obtuse at the base, or slightly attenuated; sporidia 
128 (2), elliptic, hyaline, subacute; paraphyses none or 
very rare, short, hyaline, septate. 
Ryparobius dubius—Boud., “ Ascob.,” t. 10, f. 26; 
B. and Br., “ Ann. Se. Nat.,” No. 1392; Cooke, “ Grevillea,” 
ii, p. 163; Bucknall, “Fung. Bristol,” pt. 2, p. 349. 
On horse and rabbit dung: 
This is the smallest and least visible species of the 
genus, being difficult to discover even with the aid of 
a lens. It is distinguished from its congeners by its 
numerous sporidia, its being generally paler in colour, 
immersed, always scattered, and having asci not narrowed 
at the base into a stem. 
Name—Dubius, doubtful. 
Leigh Downs, near Bristol! (Mr. C. Bucknall). “Bath- 
ford (Mr. C. E. Broome). 
(6) Margin ciliated. 
3. Ryparobius Crowani. (Renny.) 
Very minute, at first clear white, then whitish, fragile, 
sessile, hemispherical, glabrous, exterior of cup formed of 
a single series of cells; margin ciliated with a single 
series of short, rough, subacuminate hairs; asci broadly 
clavate; sporidia 32, oblong-fusiform, obtuse at the 
ends, hyaline, smooth ; paraphyses not seen. 
Ascozonus Orowani—Renny in “Trans. Woolhope 
