354 



> 



clavate. Sporidia uniseriate, of a deep, dark color, 3-septate. 

 On branches of Platanus, New York. 



L. taxicola, (Pk.) 



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

 LeptosphcEria taxicola, Sace. Syll. 3169. 

 Heplameria taxicola, Cke. Syn. 4959. 



Perithecia 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 sporidi;i 

 riven. 



L. concentrica f 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.) 50-55x10 //. Paraphyses not seen. Spo- 

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

 obtuse. 



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

 (Langlois). 



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



L. Californica, (Cke. & Hark.) 



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

 Leptosphczria 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- 



' eeoiate, ends obtuse, 4-septate, the penultimate cell somewhat swollen, 



pale brown, 25-30 x 8 /i. 



On Araucaria imbricata, Barothamnus, Rhododendron, and 

 Euonymus, California. 



Differs from Metasphcerla anisometra, Cke. & Hark., in the peri- 

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

 for some inches, and in its brown sporidia. 



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



L. Tephrosiae, (C. & E.) 



Sphceria Tephrosice, C. & E. Grev. VII, p. 10. 

 Leptosphceria Tephrosice, Sacc. Syll. 2949, Cke. Syn. 4275. 

 Exsicc. EH. N. A. F. 695. 



Perithecia scattered, at first covered by the epidermis, finally e. 



