WYOMING 81357 - Schoenocrambe linifolia (Nutt.) Breme. Perennial with a vertical root stalk. Flowers yellow, growing in Sagewick. (2) 48 mi S. of Rock Spring, Sweetwater Co. Wyoming June 19, 1981 81358 - Phycasia acutifolia Rydb. Perennial. Stems several to numerous arising below a cluster of terminal entire leaves, saples greenish-yellow. Petals bright yellow. Pedicels widely spreading to divaricately ascending, straight to slightly sigmoid. Silique with nerves above and below. Valves smooth. Styles somewhat lomented at maturity. As 81357. 81359 - Ledumella alpina (Nutt.) Wats. Stem Perennial with a branching canister. Stems several to numerous. Ppales yellowish-green. Petals yellow Pedicels straight, ascending. Siliques flattened forward apex, parallel to septum. Forward apex. As 81357. Growing at base of Sagewick.