gra MONADELPHIA. DECANDRIA. 



Species. 1. A. ficohlenm. 2. pohjgomides. A common 

 weed in the streets of Cliavlesionand New-Orleans. 



A tropical £?enus of about 26 species, chiefly indigenous 

 to India, with a few in Africa and meridional America 



II._>0€TANDRIA. 



473. riSTIA. L. 



CnliT, spatlia tubuloiisly cucullatc, Ungulate. 

 Corolla none. Filaments lateral: anthers 3 to 8. 

 Style 1. Capsule 1- celled, many -seeded. 



A floatinf^ aquatic; leaves all radical, expanded in a cir- 

 cle; flowers axillary, subsessile, solitary, white. 



Species. 1. P. spatJn/latn. In Carolina. Probably a 

 Toere variety of P. Sirntiotes, which is indigenous to Asia, 

 Africa, and America, being a genus of a single species. 



I]T._DECANDRIA. 



474. GERANIUM. Z. 



Calix 5 -leaved. Petals 5, re.2:n]ar, J\>drt- 

 rium 5 melliferous glands adnate to the base of 

 the longer filaments. Jrilli 5, 1-seeded, awned, 

 awns naked and straigiit. 



Herbaceous, rarely shrubby; leaves mostly opposite 

 a»d palmately lobed;"pedancles axillary, 1 or 2-flo\Vered. 



Species. 1. O. macnhitmn. 2. carol mianwn. 3. coiumb:- 

 num. 4. (lissectvm. 5. robertia7uim. 'I'liis species possesses 

 the same peculiar scent as in Europe. 



An extensiv'e genus, principally European. 



475. ACACIA. Willd. Mimosa. L. 

 Poljgamous.^—Cflto tubulous, 5-toothed. Pe- 

 tals 5. Stamina 5 to 10, exserted. Legume 1- 

 celled, 2-valved. 



Shrubby or herbaceous; leaves once or twice pinnate, 

 flowers mostly capitate. 



SpEajES. l.A. brachyhha, 2. glandnlosa. 3. fame si ana. 



