ORDER LXVIIT. — COMrOSIT.E. 379 



8. P. camphora'ta, (Ell.) Sterii herbaceous, succulent, slightly pu- 

 bescent. Leaven ovj'.te-lanceolate, acute, donticuhite. Flowers in axil- 

 lary terminal corymbs, shorter than the leaves; scales of the involucre 

 acute, as long as the florets. This plant, Avhen bruised, gives out a 

 strong, disagreeable odor. — Purple. If. Aug. — ^ept. Salt marshes. 



Mar.sh Flcabane. 



4. P. Maryland'ica, (Mich.) Stem erect, rather succulent. Leaves 

 ovat^-lanceolaty, denticulate, pubescent. Flowers in corynlb^>, scale.'* of 

 the involucre I'near or ovate. Seeds minute ; pappus short, consisting 

 of 20 — 30 ray.s, — Purple. 0. July — Aug. On the coast of Car. and Goo. 



Gfixus XXX.— PTEEOCAU'LOX. Ell. 

 {^Tom pteron, a ring, and kaulon, a stem.) 



Involucre imbricate, leaflets somewhat obovate, acute, ap- 

 pressed, tomentose. Floivers pistillate and perfect, intermin- 

 gled, the pistillate ones slender, with the border 3-toothed ; the 

 perfect ones with the border 5-cleft. Anthers very short. SU/le 

 2-cleft. Stigmas glandular. 



1. P. ptcnosta'chyom, (Ell.) Stem erect, simple, winged, densely to- 

 mentose, white. Leaves lanceolate, sessile, decurrent, dentate, white, 

 tomentose beneath. Flowers in compact spikes ; involucre densely to- 

 mentose. Seeds angled, pubescent; receptacle naked. — White. If. 

 May — x\ug. Dry sandy soils. 1 — 2 feet. 



Genus .TXXI.— BUPHTHAL'MUM. L. {Borrlchia, Adans.) 

 (From &c/ •»..', a bull, ophthalmos, the eye, from the resemblance of its flowers.) 



Involute many-leaved ; florets of the disk 5-cleft, perfect, 

 numerous, those of the ray pistillate. Seeds winged. Pappus 

 4-tooth.ed, or an obsolete margin. Receptacle chafly. 



1. B. FRLTEs'cENS, (L.) Stem erect, glabrous, branching, pubescent 

 toward the summit. Leaves opposite, sessile, cuncate, lanceolate, glau- 

 cous, sparingly toothed at the base. Flowers solitary, terminal; in- 

 volucre many-leaved, imbricate. Leaves mucronate, expanding; ray 

 florets lanceolate, 10 — 12 ; seeds of the ray triangular ; j)appus 4-tooth- 

 ed; chaff pubescent, with a stiff point. — Yellow. ^ or If. June — 

 Oct. On the seacoast. 



2. B. angustifo'lium, (Pursh.) St(77i erect, branching. Leaves alter- 

 nate, linear, entire, glabrous; involucre with acute, lanceolate leaves. 

 —Yellow. ^ or If. July — Sept. Southern Geo. and Flor. 



Genus XXXIL— ECLIP'TA. L. 



(From ekleipo, deficient, from its wingless seeds.) 



Involucre many-leaved, the leaves nearly equal ; florets of 

 the disk perfect, 4-cleft, those of the ray pistillate ; pappus 

 wanting ; receptacle bristly. 



1. E. erec'ta, (L.) Stan erect, strigose ; dichotonious. Leaves op 

 posito, lanceolate, serrate, or entire, attenuate at the base, Sncrvod. 



