30 



Rochelia 



Lappula. R ce m u r and S c h u 1 1 e s. 

 Virginian*. R oe m u r and Schulles. 



Rosa 

 Rubus 



Carolina. Linn. Swamp-Rose. 

 rubiginosa. Linn. Sweet-Briar . 



Canadensis. Linn, 

 flagellaris. Willdenow. 

 frondosus. B i g e 1 o w. 

 occidentalis. Linn. Thimble-berry. 

 odoratus. Linn. Rose-Raspberry. 

 strigosus. M i c h a u x. Red-Raspberry. 

 trivialis. M i c h a u x. Dew-berry. 

 villosus. A i t o n. Blackberry. 



Rudbeckia 



hirta. Linn. 



laciniata. Willdenow. 



Rumex 



Acetosa. Linn. Garden-Sorrel. C. 

 Acetosella. Linn. Sheep-Sorrel. 

 alpinus. Linn. Monk's -Rhubarb. C. 

 Britanica. Linn, 

 crispus. Linn. 



obtusifolius. Linn. Broad-leaved-Dock. 

 Patientia. Linn. Patience. C. 

 sanguineus. Linn. Olcott-root. 

 verticillatus. Linn. 



Ruppia 



maritima. Linn. 



Sagina 



procumbens. 



Sagittaria 



acutifolia. P u r s h. 



graminea. M i c h a u x. 



hastata. P u r s h. 



heterophylla. Pursh. 



obtusa. Muhlenberg. 



pusilla. Nut tall. 



rigida. Purs h. 



sagittifolia. L i n n. Arrow-wort. 



Salicornia 



herbacea. Linn. 

 Salix 



alba. Linn. White- Willow. C. 



