160 : MR. NUTTALL’S DESCRIPTIONS OF NEW 
longish petioles. Upper leaves nearly sessile; calyx very hirsute; corolla pale lilac 
rose ; ovary with four seeds; stamens much exserted ; it has a general resemblance to 
P. cireinata. The P. integrifolia of Torrey has four very rugose convex elliptic. 
seeds. 45, 
Has. In the Rocky Mountains, and Blue Mountains of Oregon. (Nuttall.) 
P. *GLANDULOSA. Annual or biennial, very pilose, with a soft, short, shining pubescence ; the stems and 
ealyx covered with blackish, viscid, resinous glands; leaves pinnatifid, the segments somewhat 
toothed, short and roundish ; flowers shortly pedicellate in crowded circinate spikes ; segments of the — 
calyx oblong; stamens exserted ; style pilose. 3 
_ Four to six inches high, with along tap root, asin biennials. Leaflets two to 
three lines long, toothed and rounded, somewhat oblique, resembling almost the frond 
of a small fern. Flowers blue and showy. Capsule four-seeded; seeds elliptic 
concave; internally, where attached to the placenta, roughened all over with minute 
asperities. 3 
Has. About Ham’s Fork of the Colorado of the West, on dry, bare hills. 
(Nuttall.) 
NAVARBETIA. | 
N. *minima. ©. Smooth, dwarf, depressed and branched from the base; leaves somewhat bipinnately 
divided, with few and divaricate, subulately sharp segments; floral leaves simply pinnately dissected ; 
calyx with three of the segments usually entire ; corolla longer than the tube of the calyx ; ovary 
cells 2-seeded. 
Seldom more than an inch high; segments of the leaves quite acicular; flowers 
small and white, the tube exserted a little beyond the calyx; the stamens slightly 
exserted. 
Has. Plains of the Oregon, near Walla-Walla. (Nuttall.) 
ERIOGONUM. 
E. *acauLe. Very dwarf, stemless and cespitose, the caudex much divided, leaves whitely tomentose, 
oblong-linear, reflected so as to be semi-cylindric; involucrum wholly sessile, few flowered, 4 or 
5-toothed, the teeth very obtuse. ; 
A very remarkable dwarf species, forming dense tufts, independent of the 
subterraneous woody caudex, not an inch high, whitely tomentose. Leaves about 
a line wide and about three or four long. Flowers yellow and bright, externally 
somewhat pubescent, as well as the germs. 
Has. Onthe summit of the Rocky Mountains, near the Colorado of the West, 
at the highest land. . 
KE. *ANDINUM. Stemless, ceespitose, the caudex much divided; leaves small and spathulate, wholly and 
whitely tomentose, reflected on the margin; scapes all radical, terminating in a single capitulum ; 
involucrum divided nearly to the base, the segments about eight, leafy ; flowers yellow, small. 
