( 291) 
On decorticated, weathered twigs of Garrya, foot-hills 
near Stanford University, California, Jan. 1, 1902, C. F. 
Baker, no. r16a. 
This species belongs to Saccardo’s section 7rydldaria. 
In the Sylloge the name Blitrydum is used for this genus. 
DoTHIDEACEAE. 
Plowrightia Neo-Mexicana sp. nov. 
Stromata at first buried, soon erumpent- paar black, 
rugulose, thin, crust-like, orbicular or ofte val, about % 
m. in diameter, usually aggregated and car in more 
or less elongated masses which reach 3 mm. or more in 
diameter; loculi several, 6 to 12 or more in each stroma, 
small, crowded, whitish within, slightly elevating the surface, 
ostiolum obscure; asci elliptic-oblong, short-pedicelled, apa- 
raphysate, about 60 x 144; ascospores distichous, hyaline, 
ovate, unequally uniseptate, strongly constricted, 20-22 x 
7-10 #, the smaller cell usually about 9 x 
On dead, weathered stems of Ampelopszs aT (?), 
‘The Gap,” between San Ignacio and Las Vegas, New 
Mexico, July, 1902, T. D. A. Cockerell. 
SPHAERIACEAE. 
Melanomma Sambuci sp. nov. 
Perithecia gregarious, often crowded, at first buried, soon 
erumpent-superficial, black, globose, rough, not collapsing, 
about 300-350 #, ostiolum obscurely papillate; asci clavate- 
cylindric, g0-110 x 9-10; paraphyses abundant, thread- 
like; ascospores monostichous, fuscous, narrowly elliptical 
or narrowly ovate, 3-septate, slightly constricted, one medial 
cell often slightly enlarged, 20-25 x 7-8 p. 
On dead stems of Sambucus, Snow Valley Peak, Ormsby 
Co., Nevada, June 24, 1902, C. F. Baker, no. 1182 (in part). 
CUCURBITARIACEAE 
Gibberidea Artemisiae sp. nov. 
Perithecia clustered, two or three to six or eight on a 
scanty brownish stroma, or sometimes scattered, subglobose, 
at length slightly depressed, dark fuscous, nearly black, 
