Part 1, 1922] PHYLLOSTICTACEAE 33 
color; pycnidia numerous, reaching a diameter of 100~150 », black, with a central ostiolum; 
spores ellipsoid, hyaline, 3-3.5 X 7-10 x. 
On RUTACEAE: 
Dictamnus albus 1. (Dictamnus Fraxinella Pers.) (cult.), New York. 
TYPE Locality: Lyndonville, New York, on Dictamnus Fraxinella. 
DIsTRIBUTION: Known only from the type locality. 
104. Phyllosticta Molluginis Ellis & Halsted, Jour. Myc. 
6: 33. 1890. 
Spots covering a part or all of the leaf, pale-yellowish; pycnidia numerous, very thickly 
scattered, reaching a diameter of 100-1504; spores very numerous, ellipsoid or almond- 
shaped, 3-4 X 8-10un. 
On TETRAGONIACEAE: 
Mollugo verticillaia L., New Jersey. 
Tyre Locality: New Brunswick, New Jersey, on Mollugo verticillata. 
DIsTRIBUTION: Known only from the type locality. 
105. Phyllosticta guttulata Halsted; Seym. & Earle, 
Econ. Fungi 271. 1893. 
Spots pale-yellowish or ash-colored, usually affecting the whole surface of the leaf; pyc- 
nidia numerous, scattered over the infected area, large, black, reaching a diameter of 1504, 
with a conspicuous ostiolum; spores abundant, ellipsoid or short-cylindric, 3-4 x 9-104n, 
often rather variable in both size and form. 
On OXALIDACEAE: 
Xanthoxalis corniculata (L,.) Small (Oxelis corniculata L.), Vermont. 
Xanthoxalis stricta (L.) Small (Oxalis stricta L.), New Jersey. 
TYPE LOCALITY: New Brunswick, New Jersey, on Oxalis stricta. 
DISTRIBUTION: Vermont and New Jersey. 
Exsiccatr: Seym. & Earle, Econ. Fungi 271. 
106. Phyllosticta Petasitidis Ellis & Ev. Proc. 
Acad. Phila. 1891: 76. 1891. 
Spots subcircular, reddish-brown, often whitish in the center, reaching a diameter of 
5 mm. to 1 cm., often marked with concentric rings, the main spot surrounded by a brownish 
area of indefinite outline; pycnidia sparingly scattered over the infected spot, reaching a 
diameter of 100-120 u; spores ellipsoid, 2.5-3 X 5-8 pn. 
On CaRDUACEAE: 
Petasites palmata (Ait.) A. Gray, Ontario. 
Typr LocaLiry: Ontario, on Peiasites palmata. 
DisTRisuTION: Ontario; also in Europe. 
107. Phyllosticta Antennariae Ellis & Ev. Jour. Myc. 4:9. 1888. 
Spots rather indefinite in outline, consisting of a central pale-yellowish or whitish area 
about 2 mm. in diameter, surrounded by a purplish area which gradually blends off into the 
healthy tissue of the leaf, the entire spot reaching a diameter of 4-5 mm., occurring on the 
upper side of the leaf and practically invisible on the under surface; pycnidia few, scattered 
over the central portion of the infected area. black; spores ovoid, 3 X 7 u. 
On CARDUACEAE: : ; 
Antennaria Parlinii Fernald, District of Columbia. 
Antennaria planiaginifolia (L,.) Richards., Delaware. Ses 
Type Locality: Faulkland, Delaware, on Antennaria plantaginifolia. 
DistRIBUTION: Delaware to District of Columbia. 
108. Phyllosticta Verbesinae Heald & Wolf, Mycologia 3: 8. 1911. 
Spots numerous, subcircular, grayish, surrounded by a blackish-brown area, reaching a 
diameter of 1-3 mm.; pycnidia occurring on the upper side of the leaf, reaching a diameter 
of 35-45 uw; spores ellipsoid, 2.5-3 X 4-6 nz. 
On CarDUACEAE: 
Verbesina texana Buckl., Texas. . 
Type LOCALITY: Sequin, Texas, on Verbesina texana. 
DistRIBUTION: Known only from the type locality. 
