286 



Perithecia hypophyllous, gregarious, erumpent, globose, pierced 

 above, black, 75-- 100 /i diam. Asci clavate-cylindrical, very short- 

 stipitate, sometimes obliquely inflated below, 42-51 x8-9 p.. Sporidia 

 about 6 in an ascus, imperfectly biseriate, fusoid or rod-shaped, septate 

 in the middle, not constricted, straight or slightly curved, hyaline, 

 17-24 x 3-4 n (seldom 5 ju thick). 



On leaves of Sibbaldia p?'ocu?nbens, Greenland. 



S. ootheca, Sacc. Mich. II, p. 1 60. 



Perithecia epiphyllous, subgregarious, innate-erumpent, depressed 

 conoid-globose, black, thick-membranaceous, 100 /z diam. Asci thick- 

 obovate, 40 x 28 p, rounded at the apex, short-apiculate-stipitate, 

 8-spored, without paraphyses. Sporidia 2-3-seriate, oblong, unisep- 

 tate, very slightly constricted, 15-16x6-7 jul, subobtuse at the ends, 

 hyaline. 



On leaves of Dry as integrifolia, Disco, &c, Greenland. 



S. melanoplaca, (Desm.) 



Sphceria melanoplaca, Desm. XX, Not. 10. 

 Sphtzrella melanoplaca, Awd. M. Eur. Pyr. p. 13. fi^\ 108. 

 Exsicc. Desm. Pi. Crypt. Ed. 1. 2097. 



Perithecia epiphyllous, more rarely amphigenous, very minute, 

 numerous, innate-subprominent, black, subshining, pierced above, 50- 

 80 fi diam., with a whitish nucleus, gregarious, on large, sooty-black 

 spots. Asci short-cylindrical, 40-42 x 8 fi, without paraphyses. Spo- 

 ridia 3-4- seriate, lanceolate-fusoid, obtuse at the ends, uniseptate, hya- 

 line, 22 x 3 p.. 



On leaves of Alchemilla alpiria, Kobbefiord, Greenland (asci 48- 

 52 x 13-15 ft, sporidia 18-22 x 4-6 /i). 



S. Impatientis, P. & . 30th Rep. p. 67. 



Perithecia abundant, minute, black. Asci subcylindrical. Spo- 

 ridia crowded, oblong or lanceolate, uniseptate, usually quadrinucleate, 

 12 ji long. 



On living leaves of bnpatiensfulva, Adirondack Mts., N. Y. 



S. phlogina, E. & E. Journ. Mycol. IV, p. 65. 



Perithecia scattered, erumpent-supcrncial, conic-hemispherical, 

 about 165 fi diam., epiphyllous. Asci ovate-oblong, 65-75x20- 

 22 fi. Paraphyses none. Sporidia clavate-oblong, uniseptate and 

 slightly constricted at the septum, rounded at the ends, yellowish-hya- 

 line, with several small nuclei, 20-30 x 7-9 /i. Allied to S. Stella- 



