Idaho 79281 Arabis lasiocarpa Roll Stems arising below terminal cluster of leaves. Plants with a woody foot. Pedicels widely spreading. Petals not ungulate, light purplish. As 79279. 79282 Arabis holboellii Hornem. var. reticulata X A. lasiocarpa? Plants with a woody foot. Stems arising from a cluster of basal leaves. Pedicels arched downward. Petals light purplish, not ungulate. As 79279. montanum b. var.. 79283 Thlaspi Idahoense (Pays.) Holmgren carepitate in clumps up to 6" in dia. Fls. pure white At the base of decomposed granite road-cut. 30, 3 miles N of Ketchum Sawtooth Mountains, Blaine Co. June 19