Cercocarpus montanus var. argenteus (Rydb.) F. L. Martin

Cercocarpus argenteus Rydberg, sp. nov
A bush 2-3 m. high, with gray bark; young twigs whitevillous ; petioles 2-5 mm. long; leaf -blades oblanctolate or obovate, 2-4 cm. long, obtuse or rarely rounded at the apex, cuneate at the entire base, crenate above and at the middle, densely pilose above, silvery-white and villous-tomentose beneath; lateral veins 4 or 5 on each side, directed forward; teeth roundedovate, obtuse; flowers solitary or in pairs; tube of the hypanthium 8-10 mm. long, silky; limb silky without, turbinate, together with the sepals 6-7 mm. wide; achenes about 1 cm. long; style in fruit 6-7 cm. long.
Type collected on rocky bluffs on Red River, Randall County, Texas, June 9, 1901, H. Eggert (herb. Mo. Bot. Gard.).
Distribution: Colorado, Texas, and New Mexico.