SPHiEEIACEI. 875 



**** Culmicolous. 



2623. Sphaerla arundinacea. Sow. " Reed SplisBria." 



CoNiDiA. — Stroma none ; conidia erumpent, compact, globose, 

 pellucid, blackish. — Melanconium sphcErospermum, Fr. S.M. iii.p. 

 489. Eabh.F.E. no. 179. FcJcl. exs. no. 86. Bot. Zeit.lSbd,t.U, 

 f. 5. See no. 1387, ante. 



Pycnidia. — Erumpent, linear, with scarcely any stroma ; 

 perithecia in one or two rows, connate, with a very obsolete 

 ostiolum ; stylospores oblong, simple. — SpJiceropsis arundinacea^ 

 Berk. Outl.p. 316. 



AscoPHORE. — Somewhat covered, oblong, minute, greyish- 

 black ; stroma scarcely distinct ; perithecia very minute, stipate, 

 rather compressed in 2 or 3 series ; ostiola obsolete, white within; 

 asci clavate ; sporidia oblong, triseptate. — S. Godini, Desm. exs. 

 no. 439. Ann. Sc. Nat. 1846,^.49. Curr. Linn. Trans, xxii. ^ 

 49, /. 202. S. arundinacea. Soiv. t. 336. B. 8f Br. Ann. N.H. 

 no. 603. Curr. Linn. Trans, xxii. t. 49,/. 200. Berk. exs. no. 82. 

 Eng. Fl. v. p. 256. Fr. S.3f. il p. 429. Fckl. exs. no. 907. Fle- 

 ospora arundinacea, Fckl. Sym. Myc. p. 137, t.\\\.f.28. 



On dead reeds. Spring. Common. [Low. Carolina.] 



** Messrs. Berkeley and Broome state that 5. Godini is identical with S. 

 arundinacea, but in the Kew specimens the species dififer in the colour of the 

 sporidia, and in the number of septa, in S. arundinacea they are yellowish* 

 brown. 3-5 septate, and in Godini colourless and nniseptate." — F.C. 



Sporidia •0U10-'0016 in. The difference is most probably only one of age. 



2624. Sphaeria culxnifraga. Fr. " Erumpent Grass Sphaeria." 



Scattered ; perithecia covered, erumpent, somewhat com- 

 pressed, black ; ostiolum short, naked, conical ; sporidia curved, 

 fusiform, multiseptate, one of the articulations swollen. — Fr. S. 

 J/, ii.p. 510. Fries exs. no. 313. Fng. Fl.v. p. 276. B.^- Br. Ann. 

 N.H. no. 614. Fckl. exs. no. 2245. >S'. longa, Sow. t. 393,/. 4. 

 Pleospora culmif7'aga, Fckl. Sym. Myc.p. 137, t. 3,/ 21. 



On culms of grass, &c. Common. 



Two varieties are published by Desmazieres, and a third has been found 

 at Eudloe, more highly developed, the perithecia crowded, and slightly his- 

 pid, and the acute ostiola elevating the cuticle. 



h. Ceratostomce. 



Ostiolum elongated, cylindrical, free, longer than the perithe- 

 cium, emergent. — Fr. S.M. ii. p. 322. 



