REPORT OF THE BOTANIST. ry bo 
the minute rusty-brown erumpent disk, not prominent, 
black ; asci subclavate ; spores eight, curved, simple, color- 
less, .0003’—.0004’ long. 
Dead stems of blackberry, Rubus villosus. Forestburgh. 
September. 
The epidermis is paler in the patches where the pustules 
occur. The disk appears to the naked eye like a minute 
black dot though it usually contains from eight to sixteen 
ostiola. The species is clearly distinct from &. rubincola 
Schw. 
VaALsA WOOLWORTHI %. sp. 
Minute, erumpent; perithecia two to six, nestling in the 
inner bark; ostiola crowded, slightly prominent, barely 
exserted through the longitudinally ruptured epidermis ;. 
spores crowded or biseriate, oblong or subfusiform, unisep- 
tate, mostly four-nucleate, nearly colorless, .0004’ long. 
Dead oak or hickory branches. Greenbush. May. 
The clusters of perithecia are very numerous and usually 
occur in series, the epidermis being ruptured continuously 
from one to another. Respectfully dedicated to Hon. S. B. 
Woolworth. 
VALSA LEIPHEMIA FY. 
Dead oak branches. North Greenbush. May. 
VALSA OXYSPORA 72. Sp. 
Pustules scattered, subconical, ernmpent, blackish exter- 
nally, surrounded by the triangularly or stellately ruptured 
epidermis ; perithecia sunk to the wood, when broken off 
leaving a whitish spot circumscribed by a faint blackish 
line; ostiola few, short; spores crowded or biseriate, color- 
less, oblong-elliptical, slightly constricted in the middle, 
uniseptate, quadrinucleate, with a bristle-like appendage at 
each end, .0006’ long. 
Dead oak branches. Sandlake. August. (Plate 2, figs. 
26-29.) 
VALSA OBSCURA 72. Sp. 
Pustules minute, sunk to the wood, erumpent; ostiola 
three to eight, slightly prominent; asci subcylindrical ; 
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