UTAH 81257. Arabis drummondia x a. huelsii mss. retrospicata (?) Stems single or branching area. Highly branched beginning near base in favorable sites along the roadside. Pedicels widely spreading to slightly descending. Siliques widely spreading, slightly arcuate as 81256 81258-Arabis drummondi Gray Stems single. Biennial or perennial. Pedicels and siliques erect. Sepals green, Petals white as 81256 81259-Arabis Falkatoria Roll. simple. Perennial. Stems creeping below an erect tuft of basal leaves. Sepals purplish. Petals white to very light lavender. Pedicels at right angles to rachis. Siliques widely spreading, slightly bow-shaped - growing on mangled chips with 81260, 81262 and 81263. 3/7 mi N of Granite Creek Water on road to Calsley, Box Elder Co., Utah June 9, 1981