165 



Sporidia (sec. Cke. Grev. XV, p. 81) lanceolate, continuous, brown. 

 25 x 6 JJL. 



R. rhodomela, (Schw.) 



Sphcsria rhodomela, Schw. Syn. N. Am. 1511 (not Sacc. Syll 3263). 

 Byssosphczria rhodomela, Cke. Grev. XV, p. So. 



" Perithecia globose, black, seated on a thin, rose-colored my- 

 celium. Asci linear. Sporidia uniseriate, elliptical, continuous, brown. 

 10x6 fjt. 



On rotten wood, United States, Herb. Berk. 9604." (Cke. in 

 Grev. 1. c.) Found in Carolina and Pennsylvania, sec. Schw., and 

 referred by him to ^j>ii(t>i'f<i rhodomela, Fr. S. M. II, p. 445, but this 

 (sec. Sarcardo) is a different thing, having 3-septate sporidia 15-18 /JL 

 long, 



R. Desmazierii, (B. & Br.) 



Sphcsria Desmazierii, B. & Br. Ann. Nat. Hist. No. 618, tab. 9, fig. i. Curr. 



Ijun. Trans. XXII, tab. 57, fig. 2. Cooke Hudbk. No. 2551. 

 Byssosphczria Desmazierii, Cooke's Sj-nopsis 2589. 

 Rosdlinia Desmazierii, Sacc Syll. 922 and Sacc F. Ital. tab. 393. 



Spreading widely over the ground, fallen leaves, &c., covering 

 them with a mouse-colored, tomentose subiculum, which consists of 

 somewhat branched, anastomosing threads, with tips often subdivided, 

 forming little racemes surmounted by oblong conidia (Grraphium 

 Desnuizti'Ttt, Sacc. F. Ital. tab. 394). Perithecia large, half immerse) 1 

 in the subiculum, which in age acquires a somewhat darker hue, sub- 

 scabrous, dull pitchy black or plumbaginous, globose with a large. 

 central, papilliform ostiolum. Asci elongated- clavate, inner membrane 

 furnished with an oblong process at the tip. Sporidia large, cymbi- 

 form, elongated, subacuminate, at first hyaline, with two or three 

 variously sized globules, at length dark brown, with 6-7 globose 

 nuclei. Sporidia 30 <JL long (38-45 x 8 /*, Sacc.) 



We have seen no specimens and copy the above from Cooke's 

 Handbook. Sec. Berk, in Grev. IV, 106, found on birch in Maine, 

 and on Cornusflorida in Pennsylvania. 



R. subiculata, (Schw.) 



Sphtzria subiculata, Schw. Syn. N. Am. No. 1504. 

 Hypoxylon subiculosum, Berk. Grev. IV, p. 52. 

 Rosellinia subiculata, Sacc. Syll. 925. 

 Exsicc. Rav. Fungi Car. V. 72. EH. N. A. F. 182. 



Perithecia gregarious or crowded, about 1 mm. cliam., globose, 

 black and shining, with a small, papilliform ostiolum, seated on a sul- 

 phur-yellow, waxy-pruinose subiculum which finally disappears. Asci 



