MONADELPHIA DECANDRIA. 397 



HAB. Waste grounds. June July, & ; stem 24. feet high ; up- 

 per leaves deflex. ; Jl. yell. 



298. POLANISIA. 



P. graveolens : viscidly pubescent, leaves ternate ; leaflets elliptical - 

 oblong ; stamens 8 12 ; siliques oblong, attenuate at the base, mu- 

 ricate with a glandular pubescence. 



HAB. Sandy shores. June, 7).; stem I ft. high; ft. racem., red.- 

 wh. ; plant fetid. 



MONADELPHIA. 

 DECANDRIA. 



Genera. 



299. GERANIUM. Calyx 5-leaved, equal; pet. 5, equal; stam. 10 ; 5 

 alternate ones longer, with nectariferous glands at the base. Peri- 

 carps 5, with long awns, united to elongated receptacles, at length 

 separating elastically from the summit to the base ; awns smooth in- 

 ternally. 



POLYANDRIA. 



300. SIDA. Calyx 5 -cleft, simple, often angular; style many-cleft at 

 the summit; capsules numerous, arranged circularly, 1-celled, 1 3- 

 seeded. 



301. ALTHAEA. Calyx double ; the exterior 6 9-cleft ; caps, numei - 

 ous, 1-seeded, arranged circularly. 



302. M ALVA. Calyx double ; the exterior mostly 3-leaved ; capsules 

 numerous, 1-celled, 1-seeded, arranged circularly. 



303. HIBISCUS. Calyx double; the exterior many-leaved ; stig. 5 ; 

 caps. 5-celled ; cells many-seeded. 



MONADELPHIA. 

 DECANDRIA. 



specie*. 299. GERANIUM. 



G. maculatum ; stem angular, erect, retrorsely pubescent, dichoto- 



