129a.  Dalea botterii (Rydberg) Barneby var. botterii

(Plate CXIV)

Glabrous to thinly pilosulous nearly throughout, but the young branchlets nearly always pubescent, the foliage dark green, not glaucous, the leaflets thinly hairy on both sides, only beneath, or glabrous; blades of stipules 1.5-4.5 (5.5) mm long; main cauline leaves 2-3.5 cm long, the leaflets oblanceolate to oblong-oblanceolate, obtuse and gland-mucronulate to emarginate, 2.5-7 mm long; spike 2-7 cm long; petals violet-purple, usually drying rose-brown; keel 8.6-10.7 mm, the claws 2.6-4.7 mm, the blades 6.3-7.4 mm long; anthers 0.6-0.8 mm long. — Collections: 10 (i).

Brushy hillsides, stony slopes and rock-ledges in the oak-belt, and open pine-forest, without known rock-preference, 1620-3110 m (5400-10,370 ft), apparently local, on and near the crest of Sierra Madre Oriental in the latitude of Orizaba, Veracruz, and adjoining Puebla; near Miquihuana and vicinity, Tamaulipas.—Flowering July to January. —Material: Tamaulipas. Sa. de Guatemala, mpo Gomez Farias, J. R. Sullivan 763 (TEX); 7 mi s.-w. of Miquihuana, Stanford, Retherford & Northcraft 710 (F, GH, NY, UC, US); Carabanchel, L. S. Gilbert 83 (TEX). Veracruz. Veracruz to Orizaba, Mueller 1566 (K); Orizaba, Bourgeau 2914 (BR, K, P); 15 mi. s. of Nogales, R. M. King 2334 (TEX); Cumbre de Acultzingo, Liebman 4611 (F), Ripley & Barneby 14,740 (CAS, F, GH, MEXU, MICH, NY, UC, US). Puebla. Alta Luz, Purpus in 1907 (UC).

Dalea botterii (Rydb.) Barneby, comb. nov., based on Parosela botterii (Matteo Bot- teri, 1808-1877) Rydb., N. Amer. Fl. 24: 110. 1920.— "Type collected at Orizaba, Mexico, Botteri 973..." — Holotypus, GH! isotypus (fragm), NY!