354 



^.'lavate. Sporidia uniseriate, of a deep, dark color, 3-septate. 

 On branches of Platanus, New York.. 



L. taxicola, (Pk.) 



SphcEria taxicola, Pk. 24th Rep. p. 99. 

 LeptosphcBria taxicola, Sacc. Syll. 3169. 

 Heptameria taxicola, Cke. Syn. 4959- . 



Pei-ithecia minute, close, black, shining, slightly prominent, at 

 first covered by the epidermis, then erumpent. Sporidia in a single 

 series, oblong, triseptate. 



Occupying the whole upper surface of dead leaves of Taxus 

 Canadensis, Sandlake, N. Y. No measurements of asci and sporidia 

 given. 



L. concentrica, E. & E. (in Herb.) 



Perithecia widely scattered, innate-erumpent, on large, concen- 

 trically marked, dull cinereous, indefinite spots occupying a large part 

 of the leaf Asci (p. sp.) 50-55 x 10 ji. Paraphyses not seen. Spo- 

 ridia oblong-cylindrical, 2-septate, yellow-brown, 12-14x4-5 /i, ends 

 obtuse. 



On apple leaves, Columbia, Mo. (H. Dorsett). and Louisiana 

 (Langlois). 



This is different from L. Lucillae or from L. Pomona, Sacc. 



L. Calif6rnica, (Cke. & Hark.) 



SphcEria Californica, Cke. & Hark. Grev. XIII, p. 20. 

 Leptosphesria Californica, Sacc, Syll. 6665, Cke. Syn. 4295. 



Densely gregarious, covered. Perithecia hemispheric-prominent, 

 obtuse, black, for a long time covered by the epidermis, but finally 

 partially denuded above. Asci clavate. Sporidia biseriate, sublan- 

 ceolate, ends obtuse, 4-septate, the penultimate cell somewhat swollen, 

 pale brown, 25-30 x 8 /j. 



On Araucaria imbricata, Sarothamnus, Rhododendron, and 

 Euonymus, California. 



Difi'ers from Metasphcerla anisometra, Cke. & Hark., in tlie peri- 

 thecia being densely aggregated, so as sometimes to blacken the twig 

 for some inches, and in its brown sporidia. 



** On herbaceous stems; sporidia 2-S-septate. 

 L. Tephrosise, (C. & E.) 



Sphmria Tephrosia, C. & E. Grev. VIT, p. lo. 

 Leptosph(£ria TepkrosicE, Sacc. Syll. 2949, Cke. Syu. 4275. 

 Ex.sicc. Ell. N. A. F. 695. 



Perithecia scattered, at first covered by the epidermis, finally ex- 



