REPORT oF THE BO7ANIST. 77 
Exciputa EquiseEtI n. sp. 
Perithecia minute, scattered, flattened, black, furnished with a 
few long straight black bristles ; spores straight, nearly cylindrical, 
colorless, .00035-.0004 in. long. 
Dead stems of Equisetum. Buffalo. Clinton. 
Drxyemasporum AcEertnuM Peck. 
Perithecia small, pezizeid, black, hispid with short straight scat- 
tered black hairs; spores unequally elliptical, .0003 in. long, the 
bristle at each end scarcely one-third the length of the spore. 
Dry maple wood. Buffalo. Clinton. April. 
In D. FRobinie the spores are shorter and the bristles longer 
than in this species. 
Prstratozzia Przizorwrs De Vot. 
Bark of dead grape-vines. Fort Edward. Howe. North Green- 
bush. October. 
Bacrripium FLAvuM AZe. 
Rotten wood. Buffalo. Clinton. Savannah and Croghan. 
August and September. 
Poccinta Losetiz Gerard. 
Sori minute scattered or confluent, tawny-brown, spores oblong- 
elliptical, slightly constricted at the septum and easily separating 
into two parts, pale, .0013-.0016 in. long ; pedicel short or obsolete. 
Lower surface of leaves of Lobelia syphilitica. Poughkeepsie. 
Gerard. 
The tragile spores are peculiar. 
Poccrn1a curtipes Howe. 
Leaves of Saxifraga Pennsylvanica. Yonkers. Howe. 
Uromyces pyrirormis Cooke. 
Leaves of sweet flag, Acorus Calamus. New Baltimore. Howe. 
Watkins and Montezuma marshes. September. , 
Uromycrs Spareant C. & P. 
Sori minute, oblong, crowded, black, spores pyriform or oblong- 
pyriform, about .001 in. long; pedicel colored, shorter than or 
equal to the spore in length. 
Both sides of leaves of Sparganium. Buffalo. Clinton. Mon- 
tezuma marshes. September. New Baltimore. Howe. 
