52 



On the lower surface of leaves of ^Quercus obtus/'loba, South Car- 

 olina (Curtis). 



C. expansum, Berk. & Desm. 1. c. p. 12, fig. 8. 



Exsicc. Thum. M. IT. 664. — Roum. Fungi Gall. 3660. 



Widely effused, velutinous. Perithecia conical, short, connate, 

 often beset with short, moniliform filaments. Sporidia triseptate, 

 oblong, curved. 



On bark of Acer saccharinurn var. nigrum, Ohio. 

 D. Asci unknowrt; sporidia uniseptate. 



C. Fuliso, Berk. & Desra. 1. c. p. 9, fig. 2. 



Mycelium tolerably thick, compact, black, separa))le from the 

 matrix. Perithecia conic-cylindrical, roughened with black, floccose 

 tufts and ostioliform projections. Sporidia rather small, ovate-oblong, 

 often spuriously uniseptate, subhyaline. 



On leaves of Uvarla triloba, generally on the upper side, Ohio, 

 and on leaves of various herbs, Pennsylvania. 



C. Nerii, Rahh. F. Eur. 662, Hedw. 1864, p. 73. 



Mycelium moniliform, ramose-reticulate, much like that of C. 

 Gitri. Perithecia elongated, subconical. Sporidia oblong, uniseptate. 



On leaves and branches of Nerium Oleander, Florida (Martin). 

 E. Asci unknown; sporidia (spermatia) ? continuous or unknown. 



C. tuba, Cke. & Hark. Grev. XIII, p. 21. 



EfPtised, crustaceous, black. Hyphee interwoven, branching, creep- 

 ing, some septate, others moniliform, forming a thick, deciduous crust. 

 Perithecia erect, numerous, cylindrical, 120 x 14 //, divided, ciliate 

 above and expanded in a subinfundibuliform manner, filled with ovate, 

 continuous, hyaline sporules. 



On leaves of Umbellularia, California. 



0. axillatum, Cke. Hedw. 1878, p. 40. 



Exsicc. Rav. F. Am. 77. — EU. N. A. F. 2111, 



Black, velutinous, situated in the axils of the nerves. Perithecia 

 elongated, bristle-like, attenuated above, filled with minute, oblong 

 sporules. Mycelium moniliform. 



On leaves of Gatalpa cordifolia, - California, New Jersey and 

 Pennsylvania. 



C. Citri, Berk. & Desra. 1. c. p. 1 1. 



Exsicc. Rav. F. Am. 329. — Thum. M. U. 2243. — Fungi Gall. 1097 



Scattered, setose, scarcely adhering. Perithecia elongated, rarely 

 bifurcate. Mycelium branching, moniliform, beautifully reticulated. 

 Spermatia minute, oljlong, hyaline. 



