50 



Rab. F. Kur. 663. 665 and 677.— Thiim. F. Austr. 486, 992, 1076, 

 1166, and Thiim. M. U. 664. 



C. grandispornm, E. & M. (in Herb.) (Plate 7) 



Mycelium smoky-black, thin, composed of creeping, branching, 

 multiseptate, nucleate threads. Pycnidial perithecia brown-black, 

 setaceous, apices enlarged and subentire, 900 x 35 /i, containing hyaline, 

 uniseptate, oval or elliptical sporules 10-12 x 2 fi. Ascigerous peri- 

 thecia brown-black, globose, at length depressed-sublentiform, (120 fji), 

 with 10-12 straight, brown appendages, 100-120x4 pt. Asci sub- 

 clavate, 8-spored, 75-120 x 15-20 ii. Sporidia hyaline, clavate-cylin- 

 drical or fusoid-oblong, 4-5-nucleate and more or less constricted 

 between the nuclei, at length distinctly 4^5-septate, 30-45 x 6-7 //, 

 lying in 3 or 4 series in the asci. 



On leaves of Gelsemium sempervirens and Myrica, Florida 

 (ilartin). Whether the subulate, pycnidial perithecia belong to this 

 is uncertain. 



B. Asci unl-nown; sporidia muriform. 



C. elongktum, Berk. & Desm. Molds referred to Fumago, p. 251, 

 fig. 5 (1849). 



Exsicc. Rav. F. Am. So.— EU. N, A. F. 1544. 



Setose. Perithecia elongated, acuminate, generally simple, fim- 

 briate at the apex. Sporidia 2-4-septate, finally constricted at the 

 septa and longitudinally divided. 



On leaves of Persica, Smilax, Populus, Li/iodendro7i, Pyrus, 

 Bignonia, Tussilago, etc. 



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



Maculiform, black. Hyphse creeping, generally moniliform, 

 branching, forming a thin stratum. Perithecia erect, cylindrical, at- 

 tenuated above, 300 x 40 /^, simple, mouth fimbriate. Sporidia ellip- 

 tical, triseptate, l)rown, 18-20 x 8 fi, one cell divided by a longitudinal 

 septum. Conidia free, dark, uniseptate, 12x6 u. 



On leaves o^ Rhamnus, California. (Not C. rhanmicolum, Rab.) 



C. Heter(Jmeles, Cke. & Hark. Grev. XIII, p. 21. 



Eifused, black, subvelutinous. Hyphae densely interwoven, branch- 

 ing, septate and moniliform. Perithecia ventricose-cylindrical, erect, 

 rather slender, simple^ 200 x 20 /i. Sporidia uncertain, apparently 

 3-septate, muriform, brown, 18x9 //. 



On leaves of Heteromeles. California. 



