270 



75-100 fi diam. Asci oblong, sessile, 40-60x12 n, M-ithout par- 

 aphyses. S]3ondia crowded-biseriate, oblong-elliptical, subinequilat- 

 eral, uniseptate and constricted, yellowish-hyaline, 12-15 '^b fi; acconi- 

 ' panied by a Macrosporium and by smaller stylosporiferous perithecia 

 containing elliptical, subfuscous, continuous sporules about 5x2| /jl. 

 On living leaves o? Siaphylea, Kansas. 



S. exiitans, Cke. Texas Fungi, No. 141. 



Spots minute, dai'k brown. Perithecia few, immersed, at length 

 casting off the cuticle above them in little operculoid disks. Asci 

 clavate-cylindrical. Sporidia elongated-elliptical, unequally unisep- 

 tate, hyaline, 12x4/^. 



On the upper surface of leaves of Persea CaroUnensis, Texas. 



Our specc. of this species from Ravenel are sterile or immature. 



S. cei'asina, Cke. Grev. VII, p. 54. 



Bxsicc, Ell. N. A. F. 794. 



" Hypophyllous. Perithecia semiimmersed, black, crowded in 

 suborbicular patches. Asci cylindrical. Sporidia narrow-elliptical, 

 uniseptate, 10x2| /u.'' 



On leaves of Prunus Lauro-cerasus, Carolina. 



The specimens sent by Ravenel and issued in N. A. F. 794, seem 

 to be immature, and show no asci, though there are plenty of oblong, 

 12x 2J n spores (stylospores)? ' The perithecia are 100 jx diam., scat- 

 tered and amphigenous. 



S. platanifolia, Cke. 1. c. p. 106. 



Exsicc. Rav. F. Am. 756. 



Hypophyllous, scattered. Perithecia small (70-80 {x), black, glo- 

 bose, perforated, semiimmersed. Asci oblong-cylindrical ("clavate," 

 Cke.), sessile, 22-25 x 6 //. Sporidia biseriate, hyaline, oblong-clavate, 

 6-7 X 2^ ^ (" subelliptical, 8x4 //," Cke.) 



On leaves of Platanus occidentalis, Georgia. 



S. Platani, E. & M. Am. Nat. Jan. 1885, p. 77. 



On round (2^ mm.), reddish-brown spots with a narrow, dark, 

 slightly I'aised border. Perithecia epiphyllous, innate-erumpent, 90- 

 120 ;U diam. Asci oblong, 8-spored, 40-60 x 1 2-1 5 /i, nearly sessile. 

 Sporidia biseriate, subhyaline, ovate-oblong, uniseptate and constricted, 

 nucleate, 14^16x4^6 //. Quite distinct from 8. platanifolia, Cke. 

 There is a Phyllosticta on the same spots. Perithecia 100 pt diam. 

 Sporules oblong-elliptical, 5-6x21-3 [i. 



On living leaves of Plata una ocddeutalis, Kansas (Kellerman). 



