2. Aecidium porosum Peck.
On Vicia americana Muhl.
Lakeside, Ottawa Co., O. May 17, 1901.
Coll. W. A. Kellerman.
“Aecidium porosum, Pk. Spots none; cups crowded, deep-seated, broad, wide-mouthed, occupying the whole lower surface of the leaf to which they give a porous appearance; spores orange-colored, subangular, .0008–.001 inch in length.” Botanical Gazette, 3:34. April, 1878.