A SKETCH OF THE BOTANY OF THE BASIN OF THE GREAT SALT LAKE OF UTAH. 167 
high; leaves crowded at the summit of the woody caudex, narrowly lanceolate or li- 
near, acute, three-nerved; those of the stem or branching scapes, few. Flowers bright 
yellow ; scales of the involucre in three series, broadly obovate, erose-ciliate. Valley of 
the Salt Lake, Major Stansbury. 
GRINDELIA squarrosa, Dunal. Torr and Gr., fl. 2, p. 247. Corymbosely branched, gla- 
brous; leaves oblong-lanceolate, obtuse, finely serrate, somewhat clasping; scales of the 
glutinous involucre with recurved-squarrose, or mostly circinate subulate tips. Heads 
small, numerous, yellow. Near the hot and cold springs at the mouth of Bear River, — 
May, Major Stansbury. 
AmBrosiA coronopifolia. Torr. and Gr., fl. 2, p. 291. (Ragweed.) Stem 1—d feet 
high, canescently strigose. Leaves 2—5 inches long, clothed with very appressed hairs; 
the upper sessile, lanceolate, deeply incised or pinnatifid; the lower somewhat bipinna- 
tifid, on short margined petioles. Sterile heads in loose spicate racemes; fertile ones, soli- 
tary or several clustered at the base of the sterile spike. Fruit globose-ovoid. Table 
land at the northern extremity of Salt Lake Valley, Major Stansbury. 
BALSAMORHIZA hirsuta. Nutt. Hirsute. Leaves very long, lanceolate, pinnately divi- 
ded, the divisions oval or oblong, entire or incised, the lower pinnatifid; scape naked, 
6—12 inches high, bearing a single and very large head, of yellow flowers. The root of 
this plant, when wounded, exudes a copious liquid oe which has a strong odour of tur- 
pentine. Utah Valley, May, Mrs. Carrington. 
Lepacuys columnaris. Torr. and Gr., fl. 2, p. 315. Primordial leaves undivided; 
those of the stem pinnately parted, segments linear-lanceolate, entire, rarely lobed. 
Disk columnar, one inch and more long, rays yellow and recurved. In sandy soil, Mrs. 
Carrington. 
Monorrix Stansburiana. Torr. in Stansb. Rep., p. 390, t. VII. About a span high, and 
minutely glandular-pubescent. Lower part of the stem ligneous, branches herbaceous. 
Leaves small, broadly ovate, with a few coarse teeth somewhat lobed. Head hemispheric, 
radiate. Scales of the involucre glandularly puberulous, in 3 series. Disk-flowers four- 
toothed, those of the ray short and three-toothed. In the crevices of limestone rocks in 
Stansbury Island. June. Major Stansbury. 
CHENACTIS stevioides. Hook. and Arn., Torr. and Gr., fl. 2, p. 371. Stem very low, 
corymbosely branched. Leaves when young, somewhat woolly, pinnately divided, the di- 
visions linear, obtuse, entire or sometimes pinnatifid. Involucre glandular, puberulent; 
flowers white or flesh colour. Strong’s Knob, Major Stansbury. 
C. . . . . achilleefolia. Wook.and Arn., Torrey in Stansb. Rep., p. 390, t. VI. 
Stem about a span high; leaves somewhat fleshy and clothed with a white tomentum, 
