428 DESCRIPTIONS OF NEW SPECIES 
linear-subulate, minute; stem much branched, erect or flexuous; flowers soli- 
tary, terminal; scales of the caliculum lanceolate, acute. 
Has. On the borders of Big Sandy creek, a rivulet of the Colorado of the West. A low species, 
about a span high, with a large tortuous root; the upper leaves reduced to mere scales. Sepals 
lanceolate. Stem scarcely striated. 
Stephanomeria * runcinata; 2, radical, and often the stem leaves runcinate- 
pinnatifid, more or less pubescent, the lower part of the stem scabrous; upper 
leaves linear; branches short and somewhat spreading, one-flowered; involu- 
crum six-leaved, six-flowered; sepals linear-oblong; pappus white, of about 
twenty rays; achenium nearly even. 
Haz. With the above, which it nearly resembles, but has larger capituli, shorter Liaies, and 
generally more of the runcinate leaves. Flowers, as in the preceding, rose-red. Height about 
seven or eight inches. Pappus white and rather long. Infertile branches clad to the summit with 
leaves, which are more deeply runcinate-pinnatifid as they approach the extremity. 
T Annual Spenies, divaricately branched; achenium pentangular, transversely ru- 
gose, obscurely ribbed. 
| Stephanomeria hale Q! smooth and glaucous; stem tall, stout and 
erect, cylindric and stria , virgately branched; flowering branches short and 
axillary; somewhat “paniculate or virgate; leaves linear, dentate or sagittate at 
the base; segments of the caliculum or bractes oblong and small; pappus Bray, 
of about fifteen to twenty rays. 
Has. On the Rocky Mountain plains, towards the Colorado. Stem rigid and stout, two or more 
feet high, virgately branched. Pedicels very short and leafy, axillar. Flowers very small, pink 
red, and pale. The leaves and involucrum are frequently incrusted with clear drops, of a very 
bitter resin, — BAcheniam Reerodionregs linear, transversely rugose, and pentaaanee the ribs de- 
pressed, ; z 
__ Stephanomerra Sains: ©, glaucous and smooth; branches divaricate, very 
Needer and numerous; radical leaves runcinate-pinnatifid; the cauline resem- 
bling mere scales; flowers lateral and terminal, on long bracteolate branchlets: 
a snvorecnm three to four-leaved, three to four-flowered; pappus white, of fifteen 
ak 
teen rays. 
ea With the preceding. With divaricate, and almost capillary branchlets; scales of the 
caliculam about three, lanceolate, minute. Flowers pale red, and small. Achenium pentangular, 
with acute angles, and transversely rugose sutures. Minute leaves, often denticulate at the base. 
Pappus wie smal} intercallary simple hairs. 
* 
