271 



S. Liriodendri, Cke. 1. c. 



Epiphyllous. Spots orbicular, brown, 1 cm. diam. Perithecia 

 subinnate, punctiform, black. Asci clavate-cylindrical. Sporidia 

 elliptical, uniseptate, hyaline, 16x5 p. Sperm ogonium, Phyllosticta 

 Liriodendri, Cke. 



On leaves of Liriodendron, Darien, Ga. (Ravenel). 



S. cornifolia, (Schw.) 



SphcBria Corni, Schw. Syn. N. Am. 1792. 

 Sphcerella cornifolia, Cke. 1. c. 

 Exsicc. Rav. F. Am. 688. 



Hypophyllous, forming large, orbicular, indeterminate spots, after 

 the manner of S. effigurata. On these spots are densely crowded, 

 compact clusters of 3-4 punctiform perithecia, not connected by any 

 crust, but thickly scattered over the spots. The perithecia themselves 

 are astomous, innate, with the surface punctate. Asci clavate, short. 

 Sporidia biseriate, elliptical, hyaline, uniseptate, 5x2//. 



On leaves of Cornusflorida, Mt. Pocono, Pa. (Schweinitz). 



S. lenticula, Cke. Journ. Bot. 1883, p. 107. 



Exsicc. Rav. F. Am. 800. 



Hypophyllous. Perithecia globose, black, densely crowded in 

 elevated lenticular pustules about 1 mm diam. Asci short-clavate, 

 22-25 x 8-10 p.. Sporidia irregularly biseriate 8-9 x 3| //, clavate- 

 oblong (" elliptical," Cke.) 



On leaves of Cerasus Caroliniana, South Carolina (Ravenel). 



The asci we should call ovate-oblong. 



S. dendroides, (Schw.) 



Sphceria dendroides, Schw. Syn. Car. 221. 

 Sphcerella dendroides, Cooke, 1. c. p. 108. 



Epiphyllous, aggregated, astomous, forming very large, cinereous, 

 dendroid spots. Perithecia black, erumpent. Asci saccate, or broad- 

 clavate. Sporidia lanceolate, uniseptate, hyaline, lower cell a little 

 narrower, slightly constricted, 24-25x4 //. 



On leaves of Carya, Carolina. 



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



Exsicc. Rav. F. Am. 753. 



Epiphyllous. Scattered or occupying the whole surface of the 

 leaf. Perithecia semiinnate, subprominent, black. Asci clavate, ses- 



