Witson: NortH AMERICAN PERONOSPORALES 
Brassica arvensis (L.) B. S. P., South Dakota, Chaney. 
Brassica campestris .., Massachussetts, Humphrey (Econ. 
Fungi 407). 
Brassica integrifolia (West.) O. E. Schultz, St. Croix, Rick- 
secker 336. 
Brassica nigra (L.) Koch, Alabama, Carver ; Illinois, Burrill; 
Indiana, Olive ; lowa, Arthur ; Nebraska, Williams ; New 
Jersey,* Halsted (Econ. Fungi 256); South Dakota, 
Griffiths (W.. Am. Fungi 46). 
Brassica sp., Wisconsin, Pammel. 
Bursa Bursa-pastoris (L.) Britton, California, Copeland ; Illinois, 
Earle, Seymour ; Indiana, Underwood 3734 (Ind. Fl. 98a), 
* Wilson ; lowa, Macbride ; Kansas, Baker (Fungi Columb. 
2108); Massachusetts, Farlow (N. Am. Fungi 2044) ; 
Michigan, Beal (Econ. Fungi 2574); Missouri, Galloway, 
Galloway & Tracy, Trelease ; New Jersey, Halsted (Econ. 
Fungi 257a), Stevens ; New York, Arthur, Britton, Under- 
wood, Underwood & Cook (Illust. Fungi 97) ; Ohio, Keller- 
man (Ohio Fungi 122) ; Ontario, Dearness (Fungi Columb. 
133); Wisconsin, Pammel. 
Camelina microcarpa Andrz., Ohio, * Tyler (Ohio Fungi 63, on 
“ C. sativa (L.) Crantz””); Virginia, Murrill. 
Cardamine bulbosa (Schreb.) B. S. P., Indiana, Olive. 
Cheiranthus asper Nutt., Oregon, Suksdorf 220. 
Cheiranthus pacificum Sheldon, Oregon, Sheldon. : 
Dentaria diphylla Michx., New York, Shear (N. Y. Fung! 
199), Underwood. 
Dentaria laciniata Muhl., South Carolina, Ro/fs 1687. 
Hesperis matronalis L.., Ontario, Dearness. 
lodanthus pinnatifidus (Michx.) Steud., Indiana, Arthur. 
Lepidium densiflorum Schrad., Nevada, Baker 1087. 
Lepidium virginicum L., Florida, Hume 34; Illinois, Earle ; 
Indiana, Arthur, Underwood ; Kansas, Bartholomew (Fung! 
Columb. 2110); Nebraska, Williams ; New York, wei 
wood ; Mississippi, Tracy; South Carolina, ae 
- (Fungi Car. 4: 93), Rolfs 1661; Texas, Ravenel ct : 
Bahama Is., Hitchcock (on “ Cakile maritima Scop.?"); 
Bermuda, Brown & Britton. 
