PLANTS COLLECTED BY DR. GAMBEL. 175 
Has. Rocky Mountains, near Upper California. Flowering in October and 
November. 
GNAPHALIUM. 
G. *RAMOSISSIMUM. Stem tall and stout, very much branched, the branches fastigiate; Jeaves and stem 
green but pubescent, the former linear-lanceolate, acuminate, strongly decurrent, viscidly pubescent ; 
heads mostly pedunculate in scattered corymbs; scales of the yellowish-white involucrum, oblong- 
lanceolate, subacute, longer than the florets; achenia smouth. 
A large plant, five or six feet high. Leaves somewhat like those of G. decurrena, 
but green on both surfaces; the upper leaves and branchlets tomentose, but not 
canescent; the capituli campanulate, distinctly pedicellate, or with two heads 
approaching each other on shortish stalks. The whole plant exhales the strong 
peculiar odour of G. decurrens. 
Has. Monterey, California. Flowering in September and October. 
HELENIUM. 
H. puperuLum. (Decand.) Florets of the disk mostly five-toothed, pedicels very 
long and divaricate. Rays mostly three-cleft. Heads spherical and large. 
Has. St. Simeon, Upper California. 
STEPHANOMERIA. 
S. *e,ata. Stems stout, erect, grooved and attenuated upwards ; leaves almost filiformly linear, the lowest 
somewhat pinnatifid, the upper lanciniately toothed at the embracing base ; flowers in a small terminal 
panicle, (blue,) florets about ten; achenia cylindric-oblong, five-grooved, somewhat rugose. 
Plant (probably perennial) three to four feet high, the stem perfectly simple, to the 
commencement of the flower branches, each of these bear three to four flowers, 
apparently blue. Involucrum and branchlets sprinkled with resinous dots. 
Involucrum ovoid and canaliculate, of six to eight leaflets in a single series. Florets 
deeply five-toothed, style and stigmas somewhat hispid. Achenia pale brown, 
oblong-cylindric, obtuse, with five, obtuse, rather rugulose ribs; rays of the pappus 
about fifteen to twenty, white, plumose hairs, rather naked toward their base. 
Haz. Santa Barbara, Upper California. 
PTILOMERIS. 
P. *fENELLA. Pappus of eight to ten, cuneiform, obtuse fringed scales, in the rays minute; involuecram 
eampanulate, about eight-leaved ; scales ovate, somewhat obtuse ; leaves mostly opposite, pinnatifid, 
the divisions few, narrow linear. 
