Texas - with Cornell 13 6176 Thelypodium texanum (Corr) Rollins annul, flo, white, leaves succulent, near lower Tornillo Creek on gravelly slope, Big Bend National Park, Brewster Co., April 17 n = 13 6177 Lesquerella Gordonii (Bray) Wats. flo. yellow, annul, pedicels saginate?, sandy gravel bar of Tornillo Creek near its mouth, Big Bend National Park, April 17 6178 Streptanthus carinatus Wright petals whitish with purple veins, somewhat recurved, sepals purple, calyx urn shaped, basal leaves pinnatifid, draw below the Chisos mountains, gravel of Oak Creek, Big Bend National Park, April 18 n = 13?