Witson: NortH AMERICAN PERONOSPORALES 409 
Parthenocissus tricuspidata (Sieb. & Zucc:) Planch., New 
Jersey, Halsted (N. Am. Fungi 2427 4, on “ Ampelopsis 
Ritchit,’ error for the horticultural name A. Vettchiz). 
Vitis aestivalis Michx., Indiana, Arthur; Massachusetts, 
Grout ; South Carolina, Ravenel (Fungi Am. Exs. 61; 
Myc. Univ. 677, on “ V. vinifera” but subsequently 
corrected ; Fungi Carol. 5: go). 
Vitis bicolor Le Conte, New York, Long. 
Vitis californica Benth., California, Harkness (N. Am. 
Fungi 22472). 
Vitis cinerea Engelm., Illinois, Pammel. 
Vitis cordifolia Michx., Indiana, Olive ; Illinois, Zar‘e, 
Hart, Waite ; Missouri, Jaeger, Trelease ; New York, 
Underwood ; Ohio, Aiken (Phyc. Prot. 122); Wiscon- 
sin, Pammel. 
Vitis labrusca L., Connecticut, Sheldon ; District of Co- 
lumbia, Scribner, Williams; Iowa, Buchanan, Griffin, 
Pammel, Stewart, Rolfs, Macbride ; Kansas, Kellerman 
(Funghi Par. Piant. Colt. 202, on ‘“ Vites Concord” ; 
Roum. Fungi Sel. Exs. 5577, on “ Vitts cultive var. 
(Concord )’); Massachusetts, Farlow (N. Am. Fungi 
208, on “Vitis cult.’”’), Seymour (Econ. Fungi 3, on 
“ Vitis sp. cult.”), Underwood; New York, Blodgett ; 
Ohio, Kellerman (Ohio Fungi 16ga, on “‘ Vitzs sp. 
cult.””); Pennsylvania, E//s ; Wisconsin, Henry, Pam- 
mel, Trelease, Underwood. 
Vitis rotundifolia Michx., Michigan, Merrow (Econ. Fungi 
ja, on “ Vites sp.’’). 
Vitis vulpina L., lowa, Arthur, Hitchcock ; Kansas, Bar- 
tholomew (Fungi Columb. 2345); New York, Jackson 
1120, Stevens (Fungi Columb. 545,0n “ Vitis riparia’); 
Ohio, Kellerman (Ohio Fungi 1696); West Virginia, 
Sheldon ; Wisconsin, Clinton, Pammel. 
An additional host, Vitis vinifera L., is reported from North 
America. 
Type tocatity: South Carolina, on Vitis aestivalis Michx. 
Disrrisution: Coextensive with the grape (Vitis spp.) through- 
out the world. 
