186 ILLINOIS ACADEMY OF SCIENCE 
PLEOSPORACEAE 
Metasphaeria Sacc. 
Metasphaeria abortiva. sp. nov. Fig. 7. 
Spots 3-5 mm. in diameter, circular, pale, conspicuous from 
both sides of the leaf, center black, bearing one perithecium 
or occasionally more than one. Perithecium black, 470-630x 
40-50 », subcuticular, rupturing hyphophyllous, asci thin-walled, 
irregular in shape, 68x27 p», 8-spored. Spores inordinate, 31x7 
#, 2-septate, hyaline or very faintly colored. Central cell 
smaller than terminal cells and apparently abortive. 
On Varronia alba, Mayaguez, 304 (type), 6782, Maricao. 
3457, 3465, Arecibo-Lares Riad, 7315. 
Fig. 7. Metasphaeria abortiva. 
Asci with eight 3-septate spores and singie spore, showing the 
smaller apparently abortive central cell. No. 7315 (type). Drawn by 
MacInnes. 
Leptosphaeria Ces. and de Not. 
Leptosphaeria sacchari V. Breda. 
On cane, Afiasco, 3555. 
Ophiobolus Riess 
Ophtobolus barbatus Pat. & Gaill. 
On Vitex, 823. The ascigerous stages of this fungus were 
not seen but the very remarkably shaped conidia (text fig. 8) 
which agree precisely with those of Patouillard & Gaillard 
describe’ from Venezuela (Bullt. Soc. Myc. de Fr. 4: 114, 
