( 312 ) 
perithecia large, 1 mm. in diameter, black, globose, buried 
but prominent, monostichous, scattered, not cro owded, ostio- 
lum minute, punctiform, inconspicuous; asci cylindrical, 
150-200 x 8-10 #, evanescent, disappearing before full ma- 
turity ; paraphyses delicate, thread-like, 1 » thick ; ascospores 
monostichous, inequilateral, often curved, at first hyaline 
with one or two large vacuoles, becoming brown and opaque, 
25-28 x 8-10 p. 
On a dead log in the forest, Molyneaux Estate, Island of 
St. Kitts, September, 1901, Britton & Cowell, no. 337. 
DEMATIACEAE. 
Cercospora conspicua sp. nov. 
Amphigenous, densely covering areas 3-6 mm. in diameter, 
with a conspicuous olive-gray tomentum or by confluence 
involving large portions of the leaf; conidiospores densely 
aggregated, olivaceous, somewhat torulose and irregular, 
occasionally septate, 30-40 x 3-4 4; conidia slender, clavate, 
subhyaline, continuous or at length faintly septate, 40-60 x 
2-3 fl. 
On living leaves of Cleome pentaphylla, Porto Rico, Hel- 
ler, no. 6152. 
