Desor. A perfectly glabrous annual, erect, ben 
from the root, a span high; branches cylindric, ie 
leafy throughout. Leaves one to two inches long, by o 
third to one-half broad, linear-oblong, pinnatifid : aie 
about five to seven pairs, lanceolate, acuminate, ped y 
serrate, spreading, rachis narrowly winged. L"lower Pe a 
lower solitary in the axils of the upper leaves, on a 
pedicels, upper collected in a subcorymbose leafy ger se 
pedicels one-fourth to half an inch long, slender, a 
Sepals erect, one-fourth of an inch long, seers eee 
greenish-yellow. Petals golden-yellow, twice as ee - 
the sepals, obovate-spathulate, claw erect, limb esos a 
obscurely emarginate. Stamens with slender tere we w 
ments and ten small globose glands at their bases ; ee a 
shortly oblong. Ovary lanceolate, sessile; style = ae 
straight. Pod one-half to three-fourths of an ime ae 
linear-oblong, much compressed, two-celled, base acute oF 
prolonged into a short stalk, membranous septum pine 
times incomplete; style one-third as long as the po , 
valves very membranous, with no midrib and loosely reticu 
lated nerves. Seeds four to six to each cell, orbicular, 
flattened, with a thickened wing; cotyledons orbicular, 
radicle very short, accumbent.—J. D. H. 
Fig. 1, Top of pedicel, with two of the long stamens, glands, and ovary; 2, long 
stamen and glands; 3 
, Shorter stamens and glands; 4, pod with one valve 
removed :—all enlarged. 
