SPH^EOXEilEI. 421 



1223. Fhoma nebulosum. BerTi. " Cloudy Plioma." 



Covered ; perithecia very minute, gregarious, forming inter- 

 rupted, grey, cloud-like sub-longitudinal spots, ostiola rather 

 prominent, acute. — Berk. Outl.p. 31-4. Sphceria nehulosa, Pers. 

 Syn.p.?A. Eng.Fl.x.p.lhQ. Nees.f.Ul. Fr. S. MM.pA?jO. 



On dead herbaceous stems. Common. 



Easily known by its long grey patches, dotted with the ostiola. 



1224. Fhoma longissimum. Berk, " Very long Phoma." 



Covered, black ; perithecia minute, running together into ex- 

 tremely long parallel rows, ostiola obsolete ; spores elliptical or 

 slightly curved, with two nuclei. — Berk. Outl.p. 314. Sphoeria 

 longissima, Pers. Si/n.p.Sl. Fr. S.M.ii.p. 4:31. Eng. Fl.Y.p. 

 256. Curr. Linn. Trans, xxii.^. 285. 



On dead stems of Umhelliferce, &c. 



Known by the narrow, linear, black patches, extendingfrom joint to joint, 

 1223. Phoma petiolorum. Ptoh. '• Petiole Phoma." 



Perithecia scattered, globose or ovate, black, covered by the 

 epidermis, papillate, at length pierced with a terminal pore. 

 Nucleus whitish. Sporidia minute, ovoid-oblong, with two 

 nucleoli. — Desm. Ann. des. ScNat. 18-47, viii. p. 16. West. ^ 

 Wall. exs. n. 471. Cooke Seem. Journ. iv. /. 13. 



On petioles oi Bohinia pseud-acacia. Feb. 



1226. Fhoxna glandicola. Lev. "''Acorn Phoma." 



Perithecia gregarious, erumpent, subglobose, smooth, black, 

 surrounded by the lacerated epidermis. Ostiolum scarcely con- 

 spicuous. Spores minute, ovate, simple, pellucid. — Lev. Ann. 

 Sc. Nat. 1846, v.^9. 281. Cooke Seem. .Journ. Bot. lY.f.l-i. Sporo- 

 nema glandicola, Desm. 



On acorns which had lain some time on the ground. 



[Low Carolina.] 



Sect. 3. Lignicolce. On bleached wood. 



1227. Phoma inophilum. Berk. " Maple-plank Phoma." 



Spots indeterminate, silky- shining ; perithecia oblong, spores 

 oblong, very minute. — Berk. Hook. Journ. 1853, p. 40, t. 3,/. 4. 

 Ann. N.H. no. 735. 



On maple planks. Xov. 



