Dalea confusa (Rydb.) Barneby

Petalostemon confusus Rydberg, sp. nov
A slender annual; stem about 4 dm. high, branched above, glabrous and slightly angled; leaves 1-4 cm. long, ascending; stipules subulate; leaflets 5-9, elliptic or oblong, 6-15 mm. long, glabrous or sparingly pilose, dotted with scattered glands; rachis slightly margined; peduncles 2-5 cm. long; spikes oblong to cylindric, 1-2.5 cm. long, about 7 mm. thick; bracts lanceolate to cuneate, acuminate, dark, slightly pubescent, scarious, shorter than the calyces; calyx 3-3.5 mm. long, densely pubescent; lobes triangular-ovate, short-acuminate, 1-1.5 mm. long; corolla bluish-purple; blade of the banner oval, nearly 2 mm. long, the claw 1.5 mm. long; blades of the other petals oblong, cuneate at the base, nearly 2 mm. long, the claws less than 1 mm. long; pod pubescent.
Type collected on pine plains, base of Sierra Madre, September 20, 1887, Pr ingle 1215 (U. S. Nat. Herb. no. 24427, labeled Dalea polygonoides var.).