20% PENTANDRIA MONOCYNIA. 



A teniler, succulent, annual plant, 2—4 feet higli, mucli brancbef?, 

 vevj smooth. Stem and brandies flexnous. Leaces on lonj; petioles 

 crenate, veijr glabrous, of a glaucous hue. 'Peduncles axiilarv! 

 Flowers yellow, (unspotted. Pursh.) "^ 



Grows in wet soils, near rivulets. 



Flowers July — October. 



2. BiFLOnA. 



I pedunculis solitariis, 1 Peduncles solitary, gen- 

 plerumque hifloris ; foliis | erally 2 flowered ; leaves 

 ovatis, serralis ; floribus j ovate, sen-ate ; flowers 



fulvis, niaculis rubris. I tawny, with red specks, 

 Walt. p. 219. 



Sp. pi. 1. p. ] 175. Pursh, 1. p. 171. 

 I. noli tangere, Mich. 1. p. 149. var. h. 



Very similar to the preceding species. The Zmivs are said to "be 

 smaller and more acutely dentate, and the /foit-ers less numerous and 

 spotted. I have not had an opportunity ol comparin'- 1! 



Grows iu swamps and wet soils. * 



Flowers July — October. 



lem. 



cissua 



iJcccflS-lociilaris,!— 4- I Berry 2 celled. 1—4 

 sperina. Pdala refiexo- | seeded. Petals reflexed 

 patula, decidua. JVbcte- and spreading, deciduous. 

 Tium gej-men cingens. | Ae-c^ftrz/ girding the germ, 



1. Bum NN ATA. Mich. 



C. foiiis bipinnatis, fo- 1 Leaves doubly pinnate, 

 Jiolisovato-lanceolatis,in- | leaflets ovate lanceolate, 

 ciso-dentatis lobatisque ,• deeply toothed and lobcdj 

 floribus corymbosis. E. | flowers in corymbs. ; 



Vitis arborea, Sp. pi. 1. p. 1 183. 



Hedera arborea, Walt. p. 102. 



Ampelopsis bipinnata, Mich. 1. p. 160. 



i'lssus stans, Persoon, 1. p. 143. Pursh, 1. p. 170. 



A vinc-hke shrub, twining around trees, branches very numerous, a 

 iiuie angular, thickened at the joints, glabrous, without tendrils. Leaves 

 sometime* decompound ; leaflets slightly cordate, acute, with teeth 

 njucronate, glabrous, veins nearly opposite and connected bv a short 

 ciuate membrane. Corj/tnfis opposite the leaves ; peduncles com- 

 jJOttnUly dichotomous, pubescent. Calyx a mere margin girding tlie 



