170 MR. NUTTALL’S DESCRIPTIONS OF NEW 
Tas. With the above, which it much resembles; it is, however, a much stouter 
plant. ‘The leaves about two inches long and two or three lines wide. 
§. *GompHOTHECA.—Dioicous. Annual; stem naked, verticillately branched and 
very divaricate. Involucrum. small, about five-toothed, five-flowered ; without awns. 
QO. *ananpuLosa. Leaves all radical, roundish and pilose ; branches verticillate, branchlets very numerous 
and divaricate, the ultimate ones and pedicels capillary ; flowers exserted, pubescent. 
Stems and branches about a foot high; leaves thick and fleshy, green, but 
pubescent, particularly along the under nerves, on longish petioles, about half, 
an inch wide and the same in length; stem simple and naked, dividing 
verticillately a few inches from the root ; every branchlet and pedicel arising from 
a small three-cleft involuerum; branches and pedicels dark purple; perianth very 
pubescent; the segments linear-lanceolate, and acute; the achenium, as in some 
Polygonums, is only two-sided, or elliptic, and compressed when ripe; ;branches 
and peduncles covered with pedicellate, viscid glands; involucrum small and 
smooth. 
Has. Rocky Mountains of Upper Calfornia. 
*STENOGONUM.+ 
Monoicous. Involucrum none. Flowers naked, in axillary clusters. Perianth 
triangular, six cleft. Stamenssix? Styles minute, with capitate stigmas. Achenium 
conic, triangular, the angles sharp and salient, with a margin. A small, smooth, 
rather succulent annual plant of the Rocky Mountains, dichotomously subdivided 
and branched ; leaves entire, opposite or ternate; flowers yellow, in axillary and 
terminal clusters, subtended by small, similar, leafy bractes. In the want of» 
involucrum, approaching Nemacaulis, but the habit, flower and achenium are very 
Sata 
" §. *sansuarnosum. A small annual, about two to three inches high. Leaves linear, spathulate, about an 
inch long, one to two lines wide. Flowers in sessile clusters, in the forks, and at the extremities of 
the branches, subtended by an irregular circle of smaller leaves; perianth greenish, the border 
segments yellow ; no stamens in the female flowers ; no germs in the male flowers; embryo inclined 
to one side of the farinaceous perisperm; the cotyledons oval and flat; the radicle elongated, and 
 eurved in a contrary direction to the base of the nub. 
Has Bare saline hills of the Colorado of the West, in the Rocky Mountains. 
eects in June and July. (Nuttall.) 
¢In allusion to the sharp and slender angles of the achenium. 
