Geranium leucanthum Griseb.

Geranium leucanthum Small, sp. nov Perennial, the caudex commonly branched. Stems ascending or spreading, 2-7 dm. long, ultimately more or less branched, hirsute with white somewhat retrorse hairs; leafblades thin, orbicular-pentagonal in outline, more or less hirsute on both sides, mostly 5parted, the divisions rather cuneate, cleft or incised ; pedicels glandular-hirsute ; sepals awn-tipped, the outer ones 10-12 mm. long, the bodies elliptic-lanceolate to lanceolate, finely, pubescent, usually hoary ; petals white, 16-21 mm. long, somewhat veiny; stylecolumn 20-25 mm. long, glandular-hirsute ; carpel-bodies about 5 mm. long, hirsute ; seeds finely reticulate.
Tvpe collected at Pineridge, Fresno County, California, June 15-25, 1900, H. M. Hall & H. P. Chandler 224.
Distribution : Middle and southern California.