344 
fpinofum. 
frutico- 
eee 
- glatior. 
MONOECIA PENTANDRIA. Xanthium. 
Cult, 1713, by Bifhop Compton. Philofoph. tranfact. 
Ms 337+ p- 57-7. 846 0 
FJ. July and Augutt. S. Q- 
3. X. fpinis ternatis, foliis trilobis. Sy/. veget. 852. 
Spiny Xanthium. 
Nat. of the South of Europe. 
Cult. 1713, by Bifhop Compton. ° Philofoph. tranfad. 
N. 337. p» 30. ms 10. ; 5.0. 
4. X. foliis pinnatifidis : laciniis incifis, caule fruticofo. 
Linn. fuppl. 418. L’ Herit. flirp. nov. tam. 2. tab. 9l« 
Ambrofia arborefcens. J4il. did. 
Shrubby Xanthium. 
Nat. of Peru. 
Cult. 1759, by Mr. Philip Miller. Adil. diét. edit. 7» 
Ambrofia 5. 
_ Fi, July. G. H. h- 
* 
AMBROSIA. Gen. pi. 1057. 
Masc. Cal, communis, 1-phyllus. Cor. 1-petala, 
3-fide, infundibulif. Recept, nudum. , 
Fem. Cal. 1-phyllus, integer, ventre 5-dentato, I- 
florus. Cor. 0. Nux e calyce indurato, 1-fperma. 
1. A. foliis trilobis ferratis, Sp. pl 1401. 
Trifid-leav’d Ambrofia, 
Nat. of Virginia and Canada, os 
Cult. 1699, by Mr. Jacob Bobart. Dorif- ti/?. 3- 
> Dp. 4. 1 § f. 6. f. te fu he 
Fi, July——September. H. 0+ 
2. A. foliis bipinnatifidis, racemis paniculatis termina; 
libus glabris. Sp..p]. 140%. 
1 
Tall Ambrofia. Nut. 
