Mycosphaerella pomi (Pass.) Lindau 1897

Phyllosticta limitata Peck, Ann. Rep. N. Y
State Mus. 50: 115. 1897.
Spots usually circular or subcircular in form, more rarely Irregular, at first reddish-brown, becoming whitish or cinereous, the margin slightly elevated and distinct, the surrounding tissues more or less discolored, the spots visible on both sides of the leaf but more distinct on the upper side, reaching a diameter of 2-3 mm.; pycnidia numerous, quite evenly scattered over the infected spot, restricted to the upper side of the leaf; spores ellipsoid, at first hyaline, becoming smoky-brown, 3 X 4-5 /j..
On Malaceae :
Malus Malus (L.) Britton (Pyrus Malus I,.), New York, West Virginia.
Type locality: Westbury, Queens County, New York, on Pyrus Malus.
Distribution : New York and West Virginia.