White Sagebrush

Artemisia candicans Rydb. Bull. Torrey Club 24: 296. 1897
A stout perennial, with a rootstock; stem 5-10 dm. high, floccose, striate, branched; leaves 5-10 cm. long, pinnatifid, with oblong or lanceolate, often again cleft segments, or those of the branches entire and lance-linear, tomentose on both sides but less densely so above; heads many, clustered, sessile, the clusters in interrupted spikes, forming a leafy panicle; involucre hemispheric, 4-5 ram. high, 5-8 mm. broad; bracts 12-14, in 3 series, tomentose, the outer lance-ovate, more than half as long as the innermost; inner bracts elliptic, obtuse; ray-flowers 6-10; corollas nearly 2 mm. long; disk-flowers 20-30; corollas 2.5 mm. long; achenes more than 1 mm. long.
Type locality: Little Belt Mountains, Montana. Distribution: Montana to Oregon.

Artemisia platyphylla Rydberg, sp. nov
Artemisia lucoviciana latiloba Nutt. Trans. Am. Phil. Soc. II. 7: 400. 1841.
A perennial, with a creeping rootstock; stem 4-6 dm. high, finely tomentose, simple; lower leaves cuneate-obovate, 5-8 cm. long, with rounded-ovate mucronate lobes above the middle, equally tomentose on both sides ; middle leaves similar, but the lobes deeper, triangular or lanceolate; upper leaves ovate or lanceolate, with 3 lanceolate lobes or entire; heads many, conglomerate, in a narrow, spike-like panicle; involucre hemispheric, 4-5 mm. high and nearly as broad; bracts 10-12, in 3 series, densely floccose; outer bracts ovate, acute, half as long as the innermost; inner bracts oval, obtuse; ray-flowers 5-8; corollas nearly 2 mm. long; diskflowers 10-15; corollas fully 3 mm. long; achenes 1.5 mm. long.
Type collected on sandy or gravelly banks of Spokane River, Spokane, Washington, June 1897, Elmer 867 (herb. N. Y. Bot. Card.).
DiSTRtBUTiox: Washington and Oregon to Montana.