293 



On dead stems of Smilax. Newfield, N. J. 



S. Tassikna, De Not. Sfer. Ital. p. 87, tab. XCVIII. 



Exsicc. Rehm Asc. 295? 



Perithecia scattered or gregarious, either barely covered by the 

 epidermis, or sunk in the parenchyma, more or less emergent, sphseroid 

 often subcorneal with a small opening, black, 60-150 /i diam. Asci 

 sessile or very short-pedicellate, obliquely ovoid-oblong, inequilateral 

 40-80 X 18-26 //, 8-spored. Sporidia inordinate, crowded, ovate-ob 

 long, uniseptate near the middle, scarcely constricted at the septum 

 hyaline or greenish-hyaline, 17-26 x 5-9 ft. 



On leaves and culms of various species of Graminece and Cy- 

 peracece; Xnizula, Carex, Agropyrum, Agrostis, Aira, Trisetuvi, 

 Poa, Glycerin, Calamagrostis &c., in Gi-eenland (Rostrup), and on 

 leaves of Typha latifolia, in Delaware. 



S. minimsepiincta, Cke. Journ. Bot. 1883. 



Exsicc. Rav. F. Am .1^81. 



Scattered or aggregated. Perithecia punctiform, emergent, black, 

 125-140 [X diam. Asci clavate, short-stipitate. Sporidia narrow- 

 elliptical, continuous, hyaline, 8 x 3 /i. 



On stems of Gladiolus, South Carolina. 



On the specimens in our copy of Rav. P. Am. are a Diplodia, 

 perithecia 130-150 /i diam., sporules 18-20x8-10 //, and & Phoniu 

 with smaller (110 a) perithecia, and sporules 18-20x3-4 n, but no 

 ascigerous fungus. 



S. serrulata, E. & E. Journ. Mycol, III, p. 45. 



Perithecia minute, covered by the cuticle, which is blackened 

 over them, rather prominent, with an acute, papilliform ostiolum, 

 mostly collected in groups of 6-12 or arranged in a seriate manner. 

 Asci oblong-lanceolate, 35 x 7-8 //. Sporidia biseriate, oblong-fiisoid, 

 2-nucleate, • hyaline, 6-8x2^ //, ends rather obtuse. Differs from 

 S. sahaligena, E. & E., in its smaller, grouped perithecia and in its 

 smaller, obscurely septate sporidia. 



On dead stems of Sabal serndata, Florida (Calkins). 



S. Typhse, (Lasch.) 



Spharia Typhis, Lasch. in Rab. Herb. Mycol. Ed. I, No. 65o. 

 Sphcerella Typha, Awd. Myc. Eur. Pyr. p. i8, fig. no. 

 Exsicc. Fckl. P. Rh- 906.-EU. & Evrht. N. A. F. 2d Ser. 1678, (forma minor). 



Perithecia amphigenous, sunk in the parenchyma of the leaf, 

 crowded and often connate in dense, sublanceolate, convex groups \-\ 



