CONTRIBUTIONS TO WESTERN BOTANY 41 
Caasia rotundifolia Rose ? No. 27192. Guadalajara, Nov. 
261939. Annual, with the habit of prostrate forms of Hosackia 
but apparently in ‘the bifolia group. Stems branching only at 
the base, slender, a foot long, shaggy with long and rigid and 
spreading hairs which extend often to the lower. pert and some 
leaves. Internodes mostly shorter than the leaflets. Leaflets 2 
on the ends of stout petioles 2-3 mm. long, rounded obovate, not 
over an inch long, ascending, leathery, sessile, oblique at very 
base only, pinnate-veined. but upper side inclined to have 1-3 ac- 
cessory veins at very base, not at all parallel-veined as in C. bifolia, 
entire, rounded to a little retuse at tip, conspicuonsly, closely, 
and finely veined, mostly smooth and shining. Stipules green. 
about lem, long obliquely triangular-ovate, acerose, parallel- 
iat ge ordate below, Pedicels 1-1.5 inches long, becoming 
mooth, siliform, ascending, straight, often twin. Flowers shagey 
balew mm. long, yellow. Fruit about 1.5 inch long by 5 
wide, hat, linear, oblique at both ends, straight, many- reclled: 
Seeds flat rectangular, apiculate on one corner, smooth. Flowers 
in the upper axils, Frequent in old fields. A unique species 
which I had called C tenn: venosa, but Rose may have antedated me 
soralea decipiens n. sp. No. 27178. La Barranea, 
Guadalajark Mex. Nov. 23 1930. A prostrate and weak herb 1-2 
ft. high, allied to dh pentaphylla, but leaflets acute and ovate and 
an inch long, rather venose, nearly emooth, 3, on a petiole fully 2 
inches long. Stowers very small, in h ads on long peduncles be- 
coming alittle racemose in fruit. Pods about 4 mm. long and 
ovate plus a long and hooked beak, growing in moist ground. 
Psoralea Rafzlensis n. sp. La Sal mts Utah, June 
31914. Plant with the habit of P. mephitica, from a much 
branched and woody base. Leaflets cuneate-obovate, lem. long, 
5, with a common petiole 3 cm. long. Leaves smooth except on 
the veins and a little pubescent below. Stems 6 inches hig 
and many and much clustered in flat tufts. Flowers about 3, in 
an almost sessile cluster in the axils, about 4-6 mm. long. duty 
oblong, not inflated, 2 mm. long, lobes 1 mm. sah ae 
P ea Rafaelensis var. magna n, var. San Ra- 
fel Swell Utah May 11 1414. Same habit as the spain, "but ae. 
ss] 
head or short spike. Calyx inflated, 4 mm. long, the lobes over 
halfthe whole. The San Rafel Swell is just on the west side of 
the Green river from the La Sal mts. 
nummularia n.sp. A low shrub of the John- 
seni group, with few spines and warty stems. Flowers bright- 
purple, in dense and ovate spikes 1-2 inches long, spreading, with 
culyx densely hispid-hairy with yellow hairs, with red 
glands, 5-ribbed, sessile, with long and subulate calyx lating and 
