364 DESCRIPTIONS OF NEW SPECIES 
in a dormant state, shedding its leaves, and appearing like a tuberous or bulbous plant, imert- 
Cultivated in Philadelphia, it flowered both in the spring and autumn. Leaves nearly all towards 
- the root, lucid and thick; the scape, or peduncle, a foot or more in length, with (generally in a 
wild state) but a single flower, three or four inches in diameter. Rays about fifteen to twenty, or 
more, with filiform, smooth stigmas, three-toothed at the apex; chaff of the receptacle composed 
of oblong, membranaceous, flat and pointed scales. Rays, and several rows of the discal florets, 
fertile. Discal florets smooth, cylindric, and, as it were, articulated at the commencement of the 
tube; the teeth acute and flaccid. Stigmas exserted. Achenium dark brown, with the empty or 
winged margin of the same colour.—Remotely allied to Coreopsis, particularly the section Calli- 
opsis, but with numerous fertile rays, minutely three-toothed, amd a conspicuous, receptacular 
chaff, &c.; also to Leptosyne, but with perfect fruit in the ray, a flat receptacle, and a very differ- 
ent achenium, &ec. 
ACTINOMERIS. (Nutt.) 
AcTINoMERIS nudicaulis. Helianthus aristatus; E.utotr, Vol. H., p. 428. 
Decanp., Vol. V., p. 591. Leaves opposite, sessile, oblong or oval-lanceolate, 
scabrous, subserrulate, obtuse; flowers in a trichotomous panicle; calyx 
short, biserial; rays ten to twelve, lanceolate, entire; awns of the achenium 
as short, the winged margin narrow. 
. In Soormie. = 
§ Pkcveee ns of the achenium none; pappus a shallow, elliptic cup.— 
Leaves opposite, decurrent, corymb Sen-flowered; rays three or four, with rudi- 
mental achenia. 
Actinomeris pauciflora; (Nutt.) hirsute, leaves elliptic, obtuse, decurrent; 
peduncle two-flowered, very long. 
Has. East Florida. (Mr. Ware.) 
a = 
- LEIGHIA, (Cassini) 
Leigha uniflora; shortly pubescent, herbaceous; stem mostly one-flowered, 
terete; leaves below opposite, oblong-lanceolate, acute, sessile and narrowed 
below, entire, three-nerved, above alternate; flower large, long pedunculate ; 
involucrum hirsute, squarrose, foliaceous at base; palee obtuse. —Hehanthus 
uniflorus; Nurv. in Journ. Acad. Nat. Sci. Philad, Vol. VIL., p. 37. 
Has. Rocky Mountains, towards the sources of the edad Flowering early in June; (9th.) 
Perennial, stem simple, generally one-flowered. Leaves three to four inches lorig, and, as well 
as the stem, hirsute with 'short, appressed, soft hairs, scabrous on the margin, one or two pairs 
f 
