SAXIFRAGA FRAGOSA Suksdorf n. sp.
Perennial by an ascending or horizontal rootstock, scapose slender, pale-green, rough glandular-pilose with rigid hairs. Leaves basal, leathery, the blades ovate or oblong-ovate, 1.5-4 cm. long, usually exceeding the petioles, glabrate, obtuse, entire or toothed, abruptly narrowed or truncate at the base, de current on the winged petiole, which is slightly dilated at the base ; stapes erect or assurgent, 2-3 dm. tall, solitary, paniculately or somewhat corymbosely branched at the top, the branches as cending or nearly erect, subtended by lanceolate or spatulate bracts ; flowers white, 5-6 mm. broad, in many-flowered cymules; calyx broadly campanulate, the tube 2.5 mm. broad, adnate to the ovary, the segments triangular or triangular-ovate, obtuse, 3 nerved, longer than the tube ; petals obovate, obtuse or notched at the apex, 2.5 mm. long, strongly 3-nerved, the lateral nerves aris ing below the middle and converging toward the apex ; filaments subulate, shorter than the petals; carpels of the ovary flat and surrounded by a disk ; follicles globose-ovoid, 3.5 mm. long, dis
tinct, tipped by short diverging styles ; seeds obovoid, more or less pointed at by ends.
\Vet rocks near the Columbia river, W. Klickitat County, \Vashington. Collected by W. N. Suksdorf. (no. 1727.) The specimens on which this species is founded were collected in March and May, 1892, and distributed later with the manuscript name which I have taken up. It was collected also in Oregon, by Mr. Thomas Howell in May, 1895, " on wet slopes, Gladstone" (no. 192).
The species is related to SaXifmga Californica, but differs in its more rigid habit, rough and stiff pubescence, the narrow thyrsoid panicle or corymb and the triangular or triangular-ovate calyx-seg ments.