Part 1, 1922] PHYLLOSTICTACEAE 21 
small, reaching a diameter of 100 4; spores rather abundant, large, ellipsoid or occasionally 
subglobose, 8-10 & 12-15 yp. 
ON HAMAMELIDACEAE: 
Hamamelis virginiana L., New York, Pennsylvania, South Carolina, West Virginia, 
Wisconsin; Ontario. 
TYPE LocaLIty: South Carolina, on Hamamelis virginica [H. virginiana]. 
DistrR1pution: New York to south Carolina and Wisconsin. 
Exsiccati: Rav. Fungi Am. 511; Ellis, N. Am. Fungi 1154; Ellis & Ev. Fungi Columb. 434; 
Barth, Fungi Columb. 4244; Shear, N. V. Fungi 366; Kabat & Bub4k, Fungi Imperf. 802. 
47. Phyllosticta Paviae Desmaz. Ann. Sci. Nat. III. 8:32. 1847. 
Phyllosticta sphaeropsoidea Ellis & Ev. Bull. Torrey Club 10:97. 1883. 
Spots reddish-brown, irregular, often reaching a diameter of several cm. or occasionally 
covering a large part of the leaf-surface, visible on both sides of the leaf but paler on the 
under side; pycnidia numerous, quite evenly scattered over the infected spot, reaching a 
diameter of 120 2; spores subglobose or ovoid, often containing one or two oil-drops, 8~10 X 
12~15 yw. 
Said to be the pycnidial stage of Guignardia Aescult (Peck) Stewart. (In Phytopathol- 
ogy 6:9. 1916, it is suggested that Phyllosticta paviaecola Brunaud is also a synonym of this 
species.) 
On AESCULACEAE: 
Aesculus glabra Willd., Iinois, Indiana, Iowa, Ohio, Pennsylvania. 
Aesculus Hippocastanum L., Delaware, District of Columbia, Illinois, Indiana, Maine, 
Massachusetts, Michigan, New Jersey, Ohio, Pennsylvania, Wisconsin; Ontario. 
Aesculus octandra Marsh. (Aesculus flava Ait.), Iowa. 
Aesculus pavia I,., Alabama.’ 
TYPE Locality: Europe, on Pavia macrostachya. 
DistRIBUTION: Maine to Wisconsin and Alabama; also in Europe. 
Exsiccati: Ellis, N. Am. Fungi 1159; Ellis & Ev. N. Am. Fungi 3347; Ellis & Ev. Fungi Co- 
lumb. 276; Barth. Fungi Columb. 4135; Kellerm. Ohio Fungi 52; Seym. & Earle, Econ. Fungi 117; 
Rab.-Wint.-Paz. Fungi Eur. 3988. 
48. Phyllosticta Eugeniae E. Young, Mycologia 7: 148. 1915. 
Spots circular or subcircular, yellowish-brown or whitish in the center, the central por- 
tion often falling out, surrounded by a slightly elevated brownish-black rim outside of which 
is a yellowish area which gradually blends into the healthy tissue of the leaf, about equally 
visible on either side of the leaf, reaching a diameter of 2-4 mm.; pycnidia usually grouped 
near the center of the spot, dark-brownish, subglobose to ovoid, reaching a diameter of 80- 
150 uw; spores ellipsoid or subellipsoid, 4-6 * 10-16 yn. 
On MyrTacEsE: 
Eugenia buxifolia (Sw.) Willd., Porto Rico. 
Type LocALITY: Mona Island, Porto Rico, on Eugenia buxtfolia. 
DISTRIBUTION: Porto Rico. 
49. Phyllosticta Negundinis Sacc. & Speg.; Sacc. 
Michelia 1: 149. 1878. 
Phyllosticta arida Earle, Bull. Torrey Club 25: 367. 1898. 
Spots circular or subcircular in form, pale-yellowish throughout or a little paler in the 
center where they become very thin and semitransparent, the center often breaking out, 
reaching a diameter of 8 mm., bordered by a very narrow elevated ring, the entire spot sur- 
rounded by a slightly discolored area which reaches a diameter of nearly 2 cm.; pycnidia 
numerous, evenly distributed or arranged in a circle near the outer portion of the spot, appear- 
ing on either side of the leaf, but usually more numerous on the upper surface, reaching a 
diameter of 100-125 u; spores rather large, subglobose to broad-ellipsoid or pyriform, reach- 
ing a length of 8-12 and a diameter of 5-6 u, usually attenuated at the lower end toward 
the point of attachment, densely filled with a granular contents. 
ON ACERACEAE: . a 
Acer Negundo 1. (Negundo aceroides Moench), Alabama, Maine, West Virginia. 
TypPE LOCALITY: Conegliano, Italy, on Negundo fraxinifolia. 
DistRIBUTION: Maine to Alabama;.also in Europe. 
Exsiccati: Ellis & Ev. N. Am. Fungi 3154. 
