1897.] Botany. 429 
, the conic-tuberculiform ostiolum. Sporules oblong-elliptical, brown, 
18-21 x 8-10» 
SPHAEROPSIS PHLEI E. & E. On bulbous base of dead culms of 
Phleum pratense, Newfield, N. J., December, 1896. 
Perithecia densely gregarious, erumpent-superficial, black, ovate, 
about } mm. diam., with a papilliform or sometimes conical ostiolum. 
Sporules oblong-elliptical, brown, 18-22 x 7-10. 
PHLYCTAENA ALBOCINCTA E. & E. On dead stems of Rhus toxico- 
dendron radicans, Newfield, N. J., September, 1896. 
Perithecia buried in the bark, 400-700, diam., the short ostiolum 
barely perforating the epidermis. Sporules linear, curved, narrowed 
and curved above, 12-15 x 1-13». A horizontal section shows the peri- 
thecia surrounded by a white ring. 
ScHIZOTHYRELLA BOREALIS Ell. & Sacc. On dry, decorticated 
(beech)? wood, Potsdam, N. Y., June, 1896. 
Perithecia superficial, scattered or subseriate, orbicular or elliptical, 
4-4 mm. diam., ovate-globose, at first with a papilliform ostiolum, soon 
broadly open and cup-shaped, glabrous, black. Sporules cylindrical, 
hyaline, occasionally dichotomous, separating into segments 6-15 x 14— 
2u, 1-3 septate. 
Differs from S. australis Speg. in the dehiscence of the perithecia (not 
laciniate) and the shorter narrower sporules. 
CYLINDROSPORIUM SPIRAEICOLUM E. & E. On leaves of Spiraea 
betulifolia, near Lake Waha, Idaho, June, 1896 (A. A. & E. G. Heller, 
No. 3303). 
Acervuli innate, on small, light yellow, irregularly shaped spots 1-2 
mm. diam., few (1-7) on a spot. Conidia clavate-cylindrical, straight, 
rounded and obtuse above, gradually attenuated below, 3-5 septate, 
40-70 x 34-5», hyaline, erumpent above in orange-yellow masses. 
Differs from C. filipendulue Thiim. in its epiphyllous acervuli and 
larger clavate conidia. 
MARSONIA CALIFORNICA E. & E. On leaves of Juglans californica, 
Santa Monica, California, August, 1896 (Prof. A. J. McClatchie). 
Spots amphigenous, angular, 1-3 mm. diam., subconfluent, ferrugin- 
ous becoming grayish above, border narrow, slightly raised, dark. 
Acervuli innate, visible on both sides of the leaf. Conidia cylindrical, 
mostly straight, but sometimes slightly curved, hyaline, uniseptate, 20- 
27 x 3», obtusely rounded at the ends. 
Differs from M. juglandis (Lib.) in its smaller, definite spots and 
cylindrical conidia. 
