271 



S. Liriodendri, Cke. 1. c. 



Epiphyllous. Spots orbicular. In-own. 1 cm. cliain. Peritheeia 

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

 elliptical, uniseptate, hyaline, 16x5 a. SpeTmogormim^Phyllosticta 

 Liriodendri) Cke. 



On leaves of X/iriodendron, Darien, Ga. (Ravenel). 

 S. cornifolia, (Schw.) 



Sphteria Corni, Schw. Syn. X. Am. 1792. 

 Sphtzrella cornifolia, Cke. 1. c. 

 Exsicc. Rav. F. Am. 688. 



Eypophyllous, forming large, orbicular, indeterminate spots, alter 

 the manner of S. elfifitn'fifu. On these spots are densely crowded. 



t*/ t/ / 



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

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

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

 Sporidia biseriate. elliptical, liyaline, uniseptate, 5x2 /JL. 



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

 S. lenticnla, Tke. Journ. Bot. 1883, p. 107. 



Exsicc. Rav. F. Am. 800. 



Hypophyllous. Perithecia globose, black, densely crowded ii] 

 elevated lenticular pustules about 1 mm cliaiu. Asci short-clavare. 

 22-25x8-10 IJL. Sporidia irregularly biseriate 8-9 x3| //, clavate- 

 oblong (-'elliptical." Cke.) 



On leaves of Ccr<i*tis Caroliniana, South Carolina (Ravenel). 



The asei we should call ovate-oblong. 



S. dendroides,; (Schw.) 



Sphccria dendroides. Schw. Syn. Car. 221. 

 Spha;rella 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 t u. 



On leaves of Carya, Carolina. 



S. Prini. Cke. 1. e. p. 106. 



Exsicc. Rav. F. Am. 753. 



Epiphyllous. Scattered or occupying the whole surface of the 

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



