140 SYNGENZSIA. ©QUALIS. 
inches long andnaked. Calix from its spreading and the 
minuteness of the base or receptacle, resembling an invo- 
jucrum much more than jn Hymenopappus; scales or leaflets 
disposed partly in 2 rows, from 12 to 15, the exterior smal- 
ler, the larger oblong-elliptic, membranaceous, and whitish. 
Flosculi numerous; the tube pubescent, border campanu- 
late, 5-cleft; segments long, hnear and reflected. Tube of 
the stamina entire at the base, exserted. Style bifid, 
scarcely exserted; stigmas linear-oblong, pubescent. Seed 
blackish, su gular; inversely conic, attenuated 
downwards, —— scabrous but not villous, vec lines 
long; pappus 12 to 14 leaved, paleaceous, leaflets linear- 
lanceolate, exactly the length of the seed, and somewhat 
lacerate, having a rigid setaceous nerve, naked or cuspi- 
date towards the extremity, and externally pubescent. 
Has. On the banks of the Altamahah.—Dr. Baldwyn. 
549. MELANANTHERA, Michaux. 
Calix imbricate, leaflets ovate, appressed, 
subequal. Receptacle paleaceous, scales carinate, 
the lower part embracing the florets. Pappus 
consisting of 4 or 5 unequal unarmed awns. 
Herbaceous: leaves opposite; peduncles 1-flowered, so- 
litary, axillary and terminal. Florets white, stamina near- 
ly black. 
“ Spectres, 1.M. hastata. Leaves hastately 3-lobed. Has. 
Abundant round Savannah in Georgia, growing in wastes 
as if merely naturalized.—A second species is noticed by 
Michaux as indigenous to the West India Islands. 
_ 550. MARSHALLIA. PFilld. Trarrentkia. 
 Calia: imbricate, scales sublanceolate, incum- 
bent. Receptacle paleaceous. Pappus of 5 mem- 
branacecous, acuminate, nerveless scales, 
> 
Haz. From North Carolina to Florida; in open swamps.—~ 
A North American genus. 
