342 DESCRIPTIONS OF NEW SPECIES 
above nearly entire and sessile; corymb few-flowered, contracted; outer sepals 
lanceolate, acute, the inner ovate; rays about twelve. 
. Near Millidgeville, Georgia. (Dr. Boykin, who favoured me with the specimen.) Leaves 
ee to four inches long, about an inch wide, much acuminated. Allied to S. Asteriscus. 
Silphium reniforme; radical leaves reniform-cordate, acute, repand, smooth, 
beneath very scabrous; stem naked, divaricate; sepals oval, obtuse, smooth’; 
rays about eight.—S. reniforme; Rartnesqur. Nearly allied to S. terebinthi- 
naceum, but with different leaves. 
BERLANDIERA. (Decand.) 
§ I. *Siupuiastrvum. 
Discal florets sterile, with a simple clavate stigma. Achenium subelliptic, 
compressed, externally convex and angular, entire, at t the summit, and with- 
out winged margins or pappus. —Perennial, herbaceous plants of the south- 
_ More or less softly tomentose or lloas: leaves deeply toothed, 
or sinuately pinnatifid, alternate; capituli solitary or corymbose; liguli yel- 
low, pifid at the apex, externally puberulous, with a very short tube, about 
ten-nerved: with smooth, elongated, bifid, ligulate, obtuse stigmas. Ache- 
nium yillous on the inner side-—With the whole aspect of Silphium, but 
the achenium like that of Encelia compared with that of Helianthus. 
Berlandiera * longifolia; stem and peduncles lanuginous; leaves ovate-lan- 
ceolate, dentate, shortly petiolate, beneath softly villous, not canescent; corymb 
contracted ; eapituli pedunculate; involucrum imbricated in nearly a simple 
series, the sepals ovate; rays eight.—Silphium reticulatum? Pursu, but nothing 
certain can be ascertained from his description. 
Has. On the plait of Red River, Arkansa; rare. About two fect high. Leaves three to four 
inches long, an inch and a e to two inches wide, rather coarsely toothed, acute, approximate. 
Sepals leafy, broad ovate. ys about eight. Peduncles and stem clothed with dense, long and 
~~ soft hairs, but Not canescent or tomentose. Nearly allied to B. Texana. 
Berlandiera * pumila; stem and leaves beneath canescently tomentose; leaves 
short, Con crenate, sessile, somewhat obtuse; fastigiate branches and 
summit of the ae: peduncles long and naked; involucram i in two 
