fls. Thelypodium-like, petals narrow, nearly twice the length of the sepals Arabis * rupestris Wahlenb & Columbiä = A. hirsuta, var. the columbia river large fl. Eschscholtziæm. Enklichia [Streptanthus] *heterophyllus stems with spreading niple trichomes, 7-10 dm. long; lvs sessile, aniculate, lacer, lobed, lobes narrow (1-2 mm) and retorse, fls + fruits reflexed, sepals purple, pedicels 5-8 mm. *Streptanthus maculatus Arkansas Territory glebrns throughout, lvs amplexicaul, orato-lanceolate, acute, siliques glob. asending 1-1.5 dm. long; style 2 mm.