29 



Ranunculus 



abortivus. Linn. 



acris. Linn. Butter-cup-Crow-foot. 

 bulbosus. Linn, 

 fascicularis. Muhlenberg, 

 filiformis. Michaux. 

 1 Flammula. Linn. 



fluviatilis. Linn. Water -Butler -cup. 

 lacustris. Beck and T r a cy. Yellow- Water-but- 

 ter-cup. 

 lanuginosus. Linn, 

 nitidus. Walter. 

 Philonotis. R e t z. 

 recurvatus. Linn, 

 repens. Linn, 

 sceleratus. Linn. 



Raphanus 



Raphanistrum. L i n n. Charlock. C. 

 Rhexia 



Mariana. Linn. 

 Virginica. Linn. 



Rhododendron 



nudiflorum. Torrey. Red-Swamp-Honey-suckle. 

 viscosum. Torrey. White-Swamp-Honey-suckle. 



Rhodora 



Canadensis. Linn. 



Rhus 



Copallina. Linn. Dwarf -Sumach. 

 glabra. Linn. Smooth- Sumach. 

 radicans. Linn. Climbing-Sumach, 

 Toxicodendron. Linn. Poison-tree. 

 typhina. Linn. Stag' 's-horn- Sumach. 

 venenata. DeCahdolle. Swamp-Sumach. 



Rhynchospora 



alba. Vahl. 

 glomerata. Vahl. 



Ribes 



Cynosbati. J a c q u i n. 



floridum. L'Heritier. Black-Currant. 



lacustre. P e r s o o n. Swamp-Gbose-berry. 



Oxyacanthoides. Linn. 



rubrum. Linn. Red-Currant. C. 



Robinia 



Pseud-Acacia. Linn. Locust-tree. 



