46 “NORTH AMERICAN FLORA |VOLUME 6 
ON STAPHYLEACEAE: 
Stephylea trifolia L., Ontario. 
~ LOCALITY: London, Ontario, on Stephylea trifolia. 
DISTRIBUTION: Ontario. 
Exsrccati: Ellis & Ev. N. Am. Fungi 2680. 
166. Phyllosticta Persicae Sacc. Michelia 1: 147. 1878. 
Spots subcircular in outline, dark-brown, marked with a number of slightly elevated, 
concentric lines, becoming whitish in the center, a portion of the center often breaking out, 
reaching a diameter of 3-5 mm.; pycnidia few, located near the center of the spot, reaching 
a diameter of 80-112 4; spores quite numerous, ellipsoid, 2+2.5 X 5-7 yp. 
On AMYGDALACEAE: 
Amygdalus Persica I,. (Persica vulgaris Mill.}, Nebraska, Ohio. 
TYPE LocaLIty: Europe, on Persica vulgaris. 
DiIsTRIBUTION: Ohio and Nebraska; also in Europe. 
167. Phyllosticta circumscissa Cooke, Grevillea 11: 150. 1883. 
Spots nearly circular in form, whitish or grayish-white, with an abrupt and slightly ele- 
vated border, reaching a diameter of 1-3 mm., becoming incised for a part of the circum- 
ference, or the incision extending entirely around the spot which then drops out, leaving a 
clean circular hole on account of which it is often known as the shot-hole fungus; pycnidia 
few, scattered over the infected spot, restricted to the upper side of the leaf; spores ellipsoid, 
about 2 X 4-6 un. 
On AMYGDALACEAE:! 
Amygdalus Persica L.(Persica vulgaris Mill.), District of Columbia, New York. 
Padus melanocar pa (A. Nelson) Shafer (Prunus demissa Walp , Czrasus demissa melanocarpa 
A. Nelson), Kansas. 
Prunus americana Marsh., California, Illinois. 
Prunus sp., Florida, Maine. 
TYPE LocaLiTy: South Australia, on apricot [Amygdalus Armeniaca]. 
DISTRIBUTION: Maine to Florida and California; also in Europe and Australia. 
ExsicecaTt: Ellis & Ev. N. Am, Fungi 3353. 
168, Phyllosticta punctata Ellis & Dearness, Can. Rec. Sci. 
5: 268. 1893. 
?Phyllosticta Opuli Sacc. Michelia 1: 146. 1878. 
Spots small and angular or irregular, often confluent, giving rise to numerous irregular 
patches, whitish, the infected tissue becoming very thin and often breaking out, leaving the 
leaves punctured with holes, reaching a diameter of 0.5-1 mm.; pycnidia scattered over the 
infected spot, mostly on the upper side of the leaf, reaching a diameter of 50-100 u; spores 
rather abundant, ellipsoid or subfusoid, 3 X 6-8 x. 
On CaPpRIFOLIACEAE: 
Viburnum Lentago L., Ontario. 
Viburnum Opulus L., Wisconsin; Ontario. 
TYPE LOCALITY: Ontario, on Viburnum Lentago. 
DISTRIBUTION: Ontario to Wisconsin; (also in Europe?). 
ExsiccaTi: Ellis & Ev. N. Am. Fungi 2832, 3056; Ellis & Ev. Fungi Columb. 1245. 
169. Phyllosticta Alcides Sacc. Michelia 1: 135. 1878. 
Phyllosticta Alcides Ellis & Kellerm. Ohio Nat. 3: 223. 1902. 
Spots white or whitish, circular or subcircular in form or several coalescing and then 
becoming irregular, reaching a diameter of 3-4 mm., visible only on the upper side of the leaf; 
pycnidia few, scattered over the infected spot, black, erumpent, reaching a diameter of 100»; 
spores ellipsoid, about 3 X 6-7 yu. 
ON SALICACEAE: 
Populus alba I,., Ohio. 
Populus trichocarpa T. & G., Idaho. 
TYPE LOCALITY: Europe, on Populus alba. 
DistRIBUTION: Ohio and Idaho; also in Europe. 
