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338 DESCRIPTIONS OF NEW SPECIES 
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Diaperia prolifera. Evaz profera; Nurt. in Decanp., Vol. V., p. 459. 
Has. On the banks of Red River, near the confluence of the Kiamesha. About two to four 
inches high. Stem mostly simple, though sometimes branching from the summit of the root. 
Primary capitulum one half to three-fourths of an inch in diameter, sending out from its disk one 
to three branches, each terminating in a similar smaller capitulum. ‘There appears to be no pro- 
per involucrum, the outermost scales presenting the slender, filiform, female florets. ‘The ache- 
nium seems similar with that of vax pygmea. 
Diaperia? multicaulis. Evax multicaulis; Decanv. Prod. V., p. 459. This 
plant I have not seen, but imagine it may belong to the present genus. 
*STYLOCLINE. 
Capitulum many-flowered, heterogamous; flowers all tubular; radial feminine, 
in many series, filiform, (with a mere vestige of corolla,) mostly concealed 
in a central cleft of the subcarinated, concave, chaffy scale of the receptacle; 
central masculine florets three or four, four-toothed, minute. Receptacle 
naked, slender, columnar, wholly bracteolate, the apex producing a few 
long, chaffy hairs. Involucrum imbricate, of a simple series of (about five) 
concave, dilated, ovate scales; fructiferous scales broad ovate, membranace- 
ous, with an herbaceous centre, the back and base below densely laniferous, 
Achenium minute, oblique, cylindric-oblong, very acute at the base, smooth 
and shining, (apparently a naked seed!?)—Annual herbs of Upper Califor- 
nia, with the whole aspect of Gnaphalium ; decumbent and diffusely branched 
from the base, canescently lanuginous, with small, linear, entire, sessile 
leaves, - Flowers in axillary and terminal sessile clusters, of a yellowish 
- white, the ‘scales diaphanous and shining. Seeds, or achenia enclosed in the 
base of tlie scales, which are deciduous.—(‘The name from orvAos, a column, 
and yu, a female; in: allusion to the very singular co clu renin 
Stylochine * Gnaphaloides. 
ima 
ee Monterrey, Upper California. Stem much branched, diffusely a. decum- 
a small, oblong, linear, sessile, three or four lines long, about a line wide. Flowers 
ainal ‘Sessile elusters, partly sheathed by a number of approximating leaves, Capitulum 
ovate, made up of imbricated, rhomboidal-ovate, concave, receptacular scales; the involucrum of a 
