258 



Perithecia scattered thickly over the lower surface of the leaf, 

 sul (hemispherical, 120-150 tx diam., covered by the blackened cuticle, 

 finally collapsing. Ostiolum papilliform, at length perforated. Asci 

 oblong, sessile, 35-40 x 8 /i, 8-spored. Sporidia biseriate, ovate-ellip- 

 tical, continuous, saibhyaline r l(M2x3-4/i, in shape very much like 

 apple seeds. 



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



L. Leucothoes, (Cke.) 



Sphczrella leucothoes, Cke. Journ . Bot. 1883. 

 Lastadia Leucothoes, Sacc. Syll. 6009, Cke. Syn. 5247. 

 Exsicc. Rav, F. Am. 687. 



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

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

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

 tinuous, hyaline, 13-1 5 x4| p. 



On leaves of Leucothoe, South Carolina. 



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



Perithecia small (150 /i), lenticular, covered by the epidermis, 

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

 ridia crowded, subelliptical, colorless, 8-10x5-6| ii. 



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



(Immature Sphmrella petiolicola) f 



L. nematodes, (B. & C.) 



Sphcerella hcematodes, B. & C. in Herb. Berk. (Cke. in Journ. Bot. 1883, p. 70) 

 Lczstadia hcematodes, Cke. Syn. 5245. 



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

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

 fbrm. Asci cylindric-clavate. Sporidia narrow-elliptical, continuous, 

 hyaline, 8-10 x 2| /i. 



On Kalmia glauca, United States. 



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

 to Sphcerella 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. & C.) 



SphcereJla stigmatodes, B 

 Iuestadia stigmatodes, Sa 



Perithecia scattered, punctiform. (resembling S. pitnctiformix). 



Sphcerella stigmatodes, B. & C (Cooke in Journ. Bot. 1883, p. 68). 

 Iezstadia stigmatodes, Sacc. Syll. 5999, Cke. Syn. 5179. 



