580 
StNGENESIA NECESSARIA. 
recta. 
663. BALTIMORA. Gen.pl 1333. 
1 . B. scabra ; caule dichotomo, foliis oppositis ovatis aco-® 
minatis serratis petiolatis. — JVilld. sp. pl. 3. p . 2329- 
Icon. Pluk. mant. t. 3A2.f. 3. 
In Maryland near Baltimore. Sp.pl. ©. July. v.v. 
cult. Flowers small, yellow. I have never seen this 
plant in any part of the United States, and suppose it 
to be only an inhabitant of Vera Cruz. 
integrifolium. 
664. PARTHENIUM. Gen.pl. 1428. 
1 . P. foliis oblongis inaequaliter dentatis asperis, superiori- 
bus amplexicaulibus.— Willd. sp. pl. 3 . p. 2385. 
Icon. Willd. hort. heroi, t. 4. Dili. elth. t. 225. f. 2Q2. 
Pluk. alni, t . 53. f. 5. & t. 21Q. f. 1 . Lam. illustr . 
t. 766. 
In dry places on the mountains of Virginia and Carolina. 
1 1 . Sept. Cct. v. v. About a foot high 3 Rowers 
white. 
ciliata. 
665. IVA. Gen. pl. 1429 . 
1 . 1. caule herbaceo, foliis lanceolato-ovatis subserratis, spica 
confertiuscula, bracteis lanceolatis acuminatis petiolis- 
que longe ciliatis. — JVilld. sp. pl. 3. p. 2386. 
In natural meadows : Kentucky and Illinois. ©. July* 
Aug. v. s. About two feet high. 
imbricata. 
2 . I. fruticosa, glabra 5 foliis lineari-lanceolatis cuneatis in- 
tegerrrimis glabris, calycibus imbricatis. — JVilld. sp . 
pl. 3. p. 238/. JValt.fi. car. 232. 
I. integrifolia. Herb. Banks, mss. 
On the sea-coast of Carolina and Georgia. T? . v. s. in 
Herb. Walter. 
frutescens . 
3. 1. fruticosa ; foliis lanceolatis punctato-scabris profunde 
serratis, glomerulis horum depresso-globosis. — Willd. 
sp. pl. 3. p. 238 7 . 
Icon. Lam. eneycl. 766. Pluk. aim. t. 2 J.f. 1. 
On the sea-coast : New England to Florida. ^ • Aug. 
Sept, v, v. A shrub about four feet high. 
integrifolia . 
666 . AMBROSIA. Gen.pl. 1427. 
1 , A. foliis ovatis sessilibus acuminatis serratis utrinque his- 
pidis basi ciliatis, racemis terminalibus plerumque ter- 
nis .—JVilld. sp. pl. 4. p. 375. 
