Krameria grayi Rose & Painter

Krameria grayi Rose & Painter, Contr. U. S. Nat. Herb. 10: 108. 1906.
Krameria canescens A. Gray. PI. Wright. 1: 42. 1852. Not Willd. 1825.
A much-branched shrub, 3-6 dm. high, the twigs and peduncles densely canescent. Leaves linear to oblong, sessile, sericeous, acute or obtuse, 6-10 mm. long; peduncles mostly longer than the leaves, about 2 cm. long or shorter, bearing 2 leaf-Uke bracts at or above the middle; sepals 5, lanceolate, acute or acutish, purple, 9-15 mm. long, canescent; lower petals suborbicular, often tubercled, about 3 mm. in diameter; upper petals spatulate, slender-clawed, distinct, about 6 mm. long; stamens distinct; fruit globose-ovoid, the body densely woolly, 7-8 mm. long, the acicular spines 3-4 mm. long, barbed at the apex.
Type locality: Pariries near Pecos, Texas.
Distribution: Texas to Arizona, Nevada, California, Chihuahua, and Lower California.

Krameria sonorae Britton, sp. nov
A shrub, the very slender young branches 2-3 dm. long, finely strigillose, or rather densely strigose when young. Leaves scattered, distant, linear, 10 mm. long, or shorter, strigose when very young, glabrate when old, acute; peduncles about 10 mm. long, 2-bracted below the middle; sepals lanceolate, acute, strigose, 7-9 mm. long; lower petals suborbicular, tuberculate, 2.5 mm. broad; upper petals distinct, 3.5 mm. long, only about one-half as long as the distinct stamens; fruit globular, the body densely tomentose, about 9 mm. in diameter, the acicular spines about 4 mm. long, barbed at the apex only.
Guaymas, Sonora, 1887, E. Palmer 15 J.