Phyllosticta baccharidis Dearn. & House 1915

Phyllosticta baccharidis Dearness & House; House,
Bull. N. Y. State Mus. 179: 29. 1915.
Spots subcircular, bounded by the large veinlets of the leaf, flesh-colored to pale-ferruginous, usually similar in appearance on either side of the leaf, but occasionally visible only on the upper side, with a slightly raised border of the same color as the spot, about 2-6 X 3-8 mm.; pycnidia dark, occurring on both sides of the leaf but more numerous on the upper surface, as many as thirty on a single spot, subglobose or occasionally hysteriiform, reaching * diameter of 50-115 ju, but averaging about 75 /*; spores hyaline, reniform, often with an oildrop at either end, 3 X 4-6 /*.
On Carduaceae:
Baccharis halimifolia L., New York. Type locality: Orient Point, Long Island, on Baccharis halimifolia. Distribution: Known only from the type locality,