Wyoming 79154 Arabis Colvenisii m.e. Jones Basal leaves erect. Stems numerous. Flowers minute. Petals white. Siliques pendulous. Sand dunes among Sagebrush. 2 mi. E of Lynvan, Uinta Co, June 3, 1979 79155 pinnata (Pursh) Britt. Stanleya bipinnata var. gibberosa Roll. tinted Stems numerous from deep root, branched. Flowers deep orange-yellow. Seleniferous soil on a steep slope. Bluffs of Black Fork River, 1 mile W. of Fort Bridger, Uinta Co., Wyo. June 3, 1979 79156 Arabis liguerfera a. nels. Stems one or several from the base. Siliques anchored downward. Juniper Sagebrush area. 3 miles W. of Ft. Bridger Uinta Co. June 3