554 



ineiit, at length partially free, rugose, flattened above. Ascl clavate, 

 large, 8-spored. Sporidia sublanceolate, 3-septate, not constricted, 

 rarely 5-septate, 38-42 x 10 ^l, brown. 



On Melia, Lower and Middle Carolina (Curtis). 



M. Hibisci, (Schw.) 



Sphtzria Hibisci, Schw. Syn. N. Am. 1444. 

 Botryosphisria, Hibisci, Cke. Syn. 1422, 



Htromata scattered, small (1-2 mm.), suborbicular or by confluence 

 elongated and subflexuous, surrounded by the substellate-cleft epider- 

 mis. Perithecia 3-6 in a stroma, with the apex prominent, white in- 

 side at first. Asci cylindrical, 75-80 x 8-9 n, paraphysate, 8-spored, 

 Sporidia uniseriate, elliptical, or ovate-elliptical, yellowish-hyaline, 

 3-septate and slightly constricted at the middle septum, 18-20 x 6-7 ft. 



On Hibiscus Syriacus (cult), Newfield, N. J. 



The specc. in Herb. Schw. sliow only the stylosporous stage [Dip' 

 lodia {Dothiorella) hihiscina, C. & E. Grev. VII, p. 5). 



M. ferrugineura, (Pers.) 



SphcEriaferruginea, Pers. Obs. I. p. 66, 

 Diatrype ferruginea, Fr. Summa Veg. Sc. p. 3S5. 

 Melogramma ferrugineum, Ces. & De Not. Schema Sferiac. p. 3^. 

 Silia ferruginea, Karst. Mycol. Fenn. II, p. 159. 

 Exsicc. Fckl. F. Rh. 1038.— Sydow, M. March. 1883.— Rehra Asc. 978. 



Stromata mostly numerous, irregularly scattered, often confluent, 

 pulvinate, round, elongated or sometimes 4-angled, 1-3 mm. broad, 

 surrounded by the erect or recurved margin of the ruptured-epidermis, 

 black outside, rusty-yellow-pulverulent within. Perithecia generally 

 numerous, crowded in a single layer, or occasionally one lying 

 above another, globose, ovate, or irregular in shape from mutual press- 

 ure, with long, cylindrical necks terminating in the thickly crowded, 

 more or less elongated, sometimes curved, rough, wrinkled, shining- 

 black, erumpent ostiola. Asci narrow clavate-cylindrical, sessile, 8- 

 spored, 80-110x15-17 fx. Sporidia filiform, slightly curved, with 

 several oil globules, faintly 6-7 -septate, hyaline, 60-85x3-4 //. 



On chestnut and oak wood, Carolina (Schw. & Ravenel), on Pop- 

 idus tremuloides, Pennsylvania (Michener). 



We have no American specimens of this, and take the diagnosis 

 from Winter's Pilze. 



M. pIat:^roum, B. «& C. Grev. XIII, p. 103. 



Perithecia botryoid-aggregated, erumpent, subefifused,. rarely free,- 



