SPH^RIACEl. 787 



2365. Nectria azenula. B, ,^- Br, " Pale Grass Nectria.'' 



Scattered, -svliitish-oclire ; perithecia ovate, very shortly pe- 

 dicellate ; ostiola papillasform; asci clavate ; sporidia oblong, 

 subfusiform, uniseptate. — Berk. Outl. p. 394. Sph. arenula^ B, 

 4' Br. Ann. N.H. no. 622, ^.-9,/. 5. 



On dead leaves of Aira ccespitosa. Feb. Batbeaston. 



Thinly scattered over the leaves. Perithecia ovate, with an obtuse papil- 

 Iseform ostiolum, contracted at the base, rarely obovate, and perfectly blunt. 

 Asci sub-clavate ; sporidia biseriate, oblong, slightly attenuate, rarely 

 sub-elliptic, uniseptate. — B. 4' Br. 



2366. Nectxia gxaxninicola. B.d:Br. '' Eed-grass 



Xectria," 



Perithecia ovate, scattered, at length collapsed, red ; sporidia 

 fusiform, uniseptate. — B. ^* Br. Ann. N.H, no, 897, t. 11,/. 40. 



On Aira ccesjntosa, Jan. Batheaston. 



Scattered over the dead leaves, ovate, red, at length collapsed. Sporidia 

 fusiform (•O007-*0008 in.) •017-'Q'2 m,m. long. Closely resembling ^V. peziza. 



2367. Nectria Bloxami. B. ^' Br. " Bloxam's Nectria." 



Scattered, dark cinnabar-red ; perithecia strongly collapsed, 

 nearly smooth ; sporidia elongated^ subfusiform, c^uadrinucleate. 

 — i^. % Br. Ann. N.H. no. 781. 



On dead stems of herbaceous plants. Twycross. 



Sporidia (•0G065 in.) "016 m.m. long. Differs from N. ochraceo -2X111 id<i, not 

 only in its dark cinnabar hue and collapsed perithecia, but in the Far 

 more delicate and shorter sporidia. There is sometimes a single very ob- 

 scure septum. — B. <b Br, 



2368. ITectzia helxninthicola. B. ^' Br, " Black-mould 



Nectria." 



Parasitic ; flesh coloured, minute, globose, smooth ; asci nar- 

 rowed upwards ; sporidia bi-quadrinucleate. — B, ^'Br, Ann, N,H. 

 no, 896, 



Parasitic on some species of Helminthosporium. Jan. 

 Batheaston. 



Scarcely visible to the naked eye ; asci generally : ttenuated upwards, 

 often curved ; sporidia hyaline, with two to four nuclei, and consequently 

 either uniseptate, or ultimately triseptate (■00€6-*00056 in.), about 'Oio m.m. 

 long.— ^. 4- Br. 



2l 2 



