312 



SPflJlRULINA, Saec. 



Michelia I, p. 399. 



Perithecia as in Sphcerella. Sporidia hyaline, 2-or more-septate. 



S. sambucina, Pk. 38th Rep. p. l66. 



Perithecia minute, numerous, closely gregarious, unequal and 

 irregular, orbicular, oblong or even flexuous, covered by the epidermis, 

 then erumpent, opening by a pore or a narrow chink, black. Asci 

 clavate or subcylindrical, 75-125x12 //, without paraphyses. Spo- 

 ridia crowded or biseriate, oblong-clavate, 5-7-septate, constricted at 

 the middle septum, colorless, 23-30 x 7|-8| //; the lower half narrower 

 than the upper. 



On dead branches of Sambucus Canadensis, New York State 

 (Peck). 



Apparently related to S. intermixta (B. & Br.), but differs in its 

 longer asci and its sporidia. 



S. P^ckii, (Speg.) 



Spkczrella Peckit, Speg. in Thum. M. U. 1356. 

 Metaspharia Peckii^ Sacc. Syll. II, p. 172. 

 SpfuEruliiia Peckii, Cke. Syn. No. 5799. 



Perithecia epiphyllous, gregarious, at first innate in the epidermis, 

 then protuberant, sphseroid-lenticular, texture subcarbonaceous, pierced 

 above, black, 100-120 ji diam. Asci cylindrical, attenuated below 

 into a short, thick stipe, rather acutely rounded at the apex, 8-spored, 

 without paraphyses, 50-60 x 6-7 J ji. Sporidia biseriate, hyaline, 

 fusoid or subcylindrical, obtusely acuminate at each end, mostly a 

 little curved, protoplasm at first, 2-parted and spuriously septate, then 

 multiseptate but never constricted, 15-18 x 3-3| jx. 



On dry leaves of Amelanchier Canadensis, Albany, N. Y. 



S. dry6phila, (Cke. & Hark.) 



Sphcsrella dryopkila, Cke. & Hark. Grev. IX, p. 86. 

 LeptosphdEria dryophila, Sacc. Syll. 3036. 

 , Sphcsrulina dryophila, Cke. Syn. 5816. 



Epiphyllous. Spots orbicular, reddish-brown. Perithecia brown, 

 8ubimmersed. Asci clavate, sessile. Sporidia lanceolate, triseptate, 

 pale brown, 20 x 3|-4 //. 



On leaves of Quercus, California. 



S. myriadea, (DC.) (Plate 27) 



Sphieria myriadea, DC. Fl. Pr. VI, p. 14.8. 

 Sphtsrella ni^^riadea, Rab. in F. Kur. 149. 

 Sphczrulina myriadea^ Sacc. Syll. 3524. 

 Bxsicc. Rab. F. Eur. 149.— Tlium. M. U. 2157.— Cke. F. Brit, ist Ser. 172.— id. 2d Ser. 269. 

 Rav. F. Am. 156.— Kriegr. F. Sax. 279.— Sydow. M. March. 1931.— Rehm Asc. 947. 



