1885.] 



NORTH AMERICAN FUNGI. 



103 



NEW GENERA OF NORTH AMERICAN FUNGI. 



The following new genera of North American Fungi have been pub- 

 lished by Saccardo. 



HYSTEROMYXA, Sacc. & EIL, Mich., II, p. 574.— Perithecia mem- 

 branaceous, superficial, depressed, oblong or subangular, bright colored, 

 dehiscence rimose or substellate, texture irregularly cellular,thin, covered 

 with a homogeneous, transparent cuticle. Spores abundant, globulose 

 bright colored. Basidia not seen. A genus of doubtful affinity ; placed 

 by Saccardo in Syll. Ill, p. 622, among the subcupulate SplicEwpsidecB. 



H. EFFUGiENS, S. & E.— Peiithecia minute, flattened, superficial, 

 dull red, 1-6 mm. in diameter. Spores globose, smooth, 8—10 /^-, 3—4- 

 nucleate, subhyaline with a rose-colored tint. Found at IsTewfield, N. J., 

 on dead foliage of Cupressus thyoides, still hanging on the limbs of a tree 

 cut the previous year. Specimens have been distributed in the ^Torth 

 Am. Fungi, no. 1221. 



PESTALOZZIELLA, Sacc. & Ell., Mich., II, p. 575.— Acervuli sub- 

 cuticular, without any distinct perithecium. Spores oblong-elliptical, 

 continuous, subhyaline with hyaline bristles at the apex. Differs from 

 Pestalozzia in its continuous, nearly hyaline spores. 



P. suBSESSiLis, S. & E. (ISr. A. F. 1223.)— Spots minute, nearly round, 

 amphigenous, faded with a dark margin. Acervuli punctiform, covered 

 by the epidermis, pallid. Spores oblong-elliptical, obtuse at each end, 

 20—22 X 6i— 7 /^-, continuous, 2—3 nucleate, subhyaline with an apical, 

 bristle-like appendage dividing into 4—5 branches from near the base and 

 20—25 !J- long by 1 thick. The spores appear to be borne on very short, 

 bristle-like basidia. Common on living leaves of Geranium GaroUnia- 

 num at JSTewfield, N. J., spring and summer. 



EYERHARTIA, Sacc. & Ell., Mich. II, p. 580.— Sporodochia verruci- 

 form, dark amber color, superficial. Conidia involved in a gelatinous or 

 mucose substance, densely compacted, cylindrical, closely convolute, 

 multiseptate, hyaline. Basidia obsolete. The genus is dedicated to 

 Benjamin M. Everhart, of West Chester, Pa. 



E. HYJMEisruLOiDES, S. & E. (IST. A. F. 969.)— Sporodochia of a dirty 

 amber color, scattered, hemispherical or subelongated, 1-6—1-5 mm. in 

 diameter, compact, superficial. Conidia cylindrical, closely coiled so as 

 to form a flattened, subelliptical mass (18—20 x 16 /^-), closely septate or 

 jointed, the segments subcubical, 2— 2i in diameter, hyaline but im- 

 mersed in a yellowish mucose substance. Found on dead leaves of Sor- 

 ghum nutans, at Newfield, N". J., autumn. 



An examination at this time (June, 1885) of specimens collected in 

 1880, shows the coiled spores or conidia to have assumed the appearance 

 of globose or ovate sacks or asci about 15 in diameter, containing 

 numerous small (2i— 3 x li /^-) sporules arranged more or less distinctly in 



