48 
A MONOGRAPH OF THE BRITISH HYPOMYCES. 
sporidia. If, however, the conidiiferous agaric be by any accident 
removed while the development of the Hypomyces is in its 
earlier stages, ascigerous fructification is not produced. M. 
Boudier has sent me this fungus from Montmorency. 
Plate 153. a. Fnngus nat. size. Plate 153. d. conidia X 400. 
b. perithecia ' enlarged. e. Asci and sporidia X 400. 
c. perithecium X 100. /. sporidia X 800. 
11 . Hypomyces Broomeianus, Tul. Conidia hyaline, oval ; 
borne on the extremities of branched, septate, hyaline tubes, which 
form a subiculum around the perithecia; *005 to *007 mm. in 
length. 
Perithecia ovate, acute, clad with a dense short wool, except im- 
mediately around the ostiola ; *25 to *5 mm. high by *18 mm. wide. 
Asci linear, cylindrical ; *13 to *14 mm. long by *0035 mm. wide. 
Sporidia eight ; linear, lanceolate, straight, uniseptate ; *013 
mm. long by *0035 mm. wide. 
Hypomyces Broomeianus. Tulasne Sel. Carp. Fung, hi., p. 108. 
„ ,, Berk. & Broome Ann. N. H., No. 1175, 
t. 5, f. 3. 
„ „ Cooke Hdbk., p. 778. 
„ „ Plow. Sph. Brit, hi., No. 5. 
„ ,, Saccardo Mich, i., p. 286. 
Hypocrea luteo-virens. Berk. & Broome Ann. N. H., No. 1101.* 
,, „ Babh. Exs., No. 751. 
Batheaston, Nov. On Polypoi'us annosus , C. E. B. ; Castle 
Bising, Nov., C. B. P. 
This minute species seems to be confined to the above Polyporus, 
over dead and living specimens of which it runs indiscriminately. 
Plate 154. a. Portion of Polyporus annosus with its parasite. "Nat. size. 
b. Perithecia enlarged. 
c. Perithecia X 140. 
d. Conidia highly magnified. 
e. Asci and sporidia X 400. 
f. Sporidia X 800. 
12 . Hypomyces Berkleyanus, Plow. $ Cooke. Perithecia seated 
upon a delicate rose-coloured or pallid subiculum, globose or ovate, 
with a minute ostidolum ; *32 mm. in diameter. 
Asci cylindrical; *01 to *012 mm. long by -007 to *008 mm. 
wide. 
Sporidia eight ; oval or oblong, blunt at both ends, hyaline, uni- 
septate, uniseriate ; *008 mm. long by *003 to *004 mm. wide. 
Hypomyces rosellus. Cooke Hdbk., p. 778, in part. 
Nectria rosella. B. & Br. Ann. Nat. Hist., No. 971, t. 17, f. 24b. 
Downton, Herefordshire, Oct., 1878. On dead Stereum hirsutum. 
Sandringham, Nov., 1878. On dead wood, covered by some Cor- 
ticium. 
This species is far more uncommon than H. rosellus , from which 
