234 RypBERG: STUDIES ON THE Rocky MOouNTAIN FLORA 
exceeding the sepals ; blade broadly obovate: pod acutish, oval in 
outline, about 4 mm. long and slightly over 2 mm. wide, glabrous, 
reticulate, only slightly wing-margined above, retuse; style about 
twice as long as the width of the wing margins. 
This species is in some respects intermediate between ZL. alys- 
soides and L. montanum. In the former only the lowest leaves are 
pinnatifid, the pod is more rounded and the style is shorter, scarcely 
longer than the width of the wing-margin. It is closer related to 
L. montanum, differing mainly in the longer and narrower leaf- 
segments, having a more persistent base and being less pubescent. 
Uran: St. George, 1880, I E. Jones, 1636 (type in herb. 
N. Y. Bot. Garden); Price, 1900, S. G. Stokes; southern Utah, 
4674;'°C. CC. £arre te. 
Nevapa: Trinity Mountains, 1868, S. Watson, 720. 
“ Lepidium elongatum sp. nov. 
Annual: stem branched near the base, about 3 dm. high, 
glandular pruinose above : basal leaves spatulate or oblanceolate, 
about 4 cm. long, coarsely toothed or somewhat pinnatifid with 
short lobes ; stem leaves oblanceolate, tapering into a short petiole, 
entire or with a few small teeth, 3-4 cm. long, acutish: racemes 
elongated, at the ends of the branches, in fruit 1 dm. or more 
long: sepals oblong or oblanceolate, acute, thin and whitish ; petals 
minute, linear-oblanceolate, one half to two thirds as long as the 
sepals or lacking : pods nearly orbicular, about 3 mm. broad, usually 
broadest a little above the middle, wing-margined and deeply retuse 
at the apex, glabrous or slightly pruinose: stigma sessile. 
This species is nearest related to ZL. apetalum and L. ramosis- 
simum. From the former it differs in the branching near the base, 
the more entire leaves, the somewhat larger pod and the petals 
which are generally present; and from the latter in the louse” 
racemes, in the lack of the small axillary racemes characteristic i 
that species and a different pod. In L. ramosissimum this 1 
broadest below the middle. ZL. elongatum grows on rocky hilltops- 
WasHINGTON: Almata, 1896, A. D. &. Elmer, 21 (type ™ 
herb. N. Y. Bot. Gard.). 
IpaHo: About Lewiston, 1896, 4. A. & EL. Gertrude Heller, 
3008. 
