PEEISPOEIACEI. 



653 



1933. 



Chsetomium chartaruxn. 



Mould." 



ETlI. " Paper Bristle- 



Peritlieciuni subglobose, black, surrounded bj a bright yellow 

 spot ; sporidia subglobose. — Fr. S.JI. iii. j). 255. Cooke 21. F. t. 

 xii./. 252, 253. Ftig. FLy. p. 328. 



On paper. Stibbington, Hants. [United States.] 



" The sporidia are decidedly more globose than in C. elafum, having very 

 little of the peculiar lemon-like form of that species."— J/. J.B, 



(Fig. S18, Perithecium and free spore raagiiijied.) 



1934. 



Chaetomiuxn glabrum . B. " Smooth. Bristle.Mould." 



This species has never been described. It was recorded, by 

 name only, in Berkeley's Outlines, and, the specimens being 

 mislaid, that gentlemen is unable to describe it completely and 

 correctly. 



On damp straw. 



" It grew abundantly on straw, and differed from Chcetoraium elaticm in 

 being perfectly free from hairs." — M.J. B. 



1935. 



Chsetoxniuxn muxozuxn. Corda. "Wall Bristle-Mould." 



8ub-gregarious, glaucous, then blackish ; perithecium glo- 

 bose, brown ; hairs circinate, erect, septate, pulverulent ; spori- 

 dia oblong, yellowish. — Corda. ii. t. 13,/. 103. Cooke, M.F. ea. 

 ii.p.226. 



On plaster. 



Chjetomium IxDicmi, Corda, has been found in London 

 on paper which had come from Burmah, but it has no claim to 

 be included as British. — Cooke exs. no. 216. 



Gen. 284. 



ASCOTRICHA, Berk. 



Perithecium thin, free, 

 mouthless, seated on loose, 

 branched, conidiiferous 



threads ; sporangia linear, 

 containing dark elliptic 

 sporidia. — Berk. Outl.p. 405. 

 (Fig. 319.) 



Fig. 319. 



