258 



Perithecia scattered thickly ovei- tlie lower surface of the leaf, 

 suhiiemispherical, 120-150 fx diam.. covered by the blackened cuticle, 

 finally collapsing. Ostiolum papilliforui, at length perforated. Asci 

 oblong, sessile, 35-40x8 //, 8-spored. S])oridia biseriate, ovate-ellip- 

 tical, continuons, subhyaline, 10-12 X 3-4 ;u, in shape very much like 

 apple seeds. 



On fallen leaves of Quercus coccinea, Ohio and New Jersey. 



L. Leucothoes, (Cke.) 



Sphisrella Leucothoes, Cke. Journ. Bot. 1S83. 

 La^stadia Leticolhoei, Sacc. SyU. 6009, Cke. Syn. 5247. 

 Kxsicc. Rav. F. Am. 687. 



Epiphyllous. Spots whitish, suborbicular, confluent, with a red 

 margin. Perithecia very small, innnersed, with the punctifbrm ostiola 

 emergent, black. Asci clavate-cylindrical. Sporidia elliptical, con- 

 tinuous, hyaline, 13-15x4^ ji. 



On leaves of Leiicothoe, South Carolina. 



L. ilsculi, Pk. 39th Rep. p. 51. 



Perithecia small (150 n), lenticular, covered by the epidermis, 

 erumpent, opening by a Tninute pore, black. Asci subclavate. Spo- 

 ridia crowded, subelliptical, colorless, 8^-10 x5-6| /i. 



On fallen petioles of horse chestnut, Albany, N. Y. 



(Immature Sphwrella petiollcolo) ' 



L. hfematodes, (B. & C.) 



Sphtzrella kcEmatodes, B. 8c C. iu Herb. Berk. (Cke. in Journ. Bot. 1883, p. 70). 

 I^iestadia hcematodes, Cke. Syn. 5245. 



Epiphyllous. Spots orbicular, scattered or confluent, dark red. 

 broadly margined. Perithecia very small, black, semiinnate, puncti- 

 fbrm. Asci cylindric-clavati'. Sporidia narrow-elliptical, continuous, 

 hyaline, 8-10 x 2J /i. 



On Kulniia ghiiica, United States. 



Cooke in Journ. Bot. 1883, p. 70, says. "Very similar externally 

 to Sjjhmrellu colorata, but asci and sporidia are little more than half 

 as long and sporidia not septate as far as seen, but immature, as they 

 failed to leave the asci.'' 



L. stigmatodes, (B. & 0.) 



SphcErella stigmatode^, B. 

 Lcsstadia stigmatodes, Sa< 



Perithecia scattered, punctiform, (resembling S. puntt[foriiii:<). 



SphcErelta stigmatodes, B. & C. (Cooke in Journ. Bot. 18S3, p. 68), 

 Ltsstadia stigmatodes, Sacc. SyU. 5999, Cke, Syn. 5179. 



