PLANTS AND FERNS. 38 



RiBns Jloridum, L'H. Wild Black Currant, y-w. M. Ij 2 — 3 ft. 

 Woods. 



R. lacustris^ Poir. g-y. M. Ij 3 — 4 ft. Bushy swamps. 



RoBini k pseudo-acacia^ Linn. Locust tree. to. M. \ 30 — 40 ft. 

 Rocky woods. 



R. viscosa, Vent. Clammy Locust, r. w. J. \ 20 — 30 ft. Fields. 



R. hispida, Linn. Rose Locust, Rose Acacia, r. M. I2 3 — 6 ft. 

 Cultivated. 



RocHELLiA virginiana, Roem. iv-b. J. % 1 — 2 ft. Dry woods. 



B.. lappula, Roem. b. Ju. <v) 12 — 18 i. Roadsides. 



Rosa parviJlora,Ehr. Wild Rose. r. Ju. h 1 — 3 ft. Woods. 



R. Carolina, Linn. Swamp Rose. r. Ju. ^2 3 — 8 ft. Swamps. 



R.ruhiginosa^lAnn. Sweet Briar. Eglantine, r-w. J. \i 3 — 10 ft. 

 Sandy fields. 



RuBus villosus, Ait. High Blackberry, lo. J. h 4 — 6 ft. Fields. 



R. frondosus, Bw. w. J. J^ A variety of the last. 



R. strigosus, Mx. Red Raspberry, lo. J. h 3 — 5 ft. Fields. 



R. occidentalis, Linn. Black Raspberry, g-io. J. 13 4 — 6 ft. 

 Fields. 



R. trivialis, Mx. Dewberry, jo. J. Jj Procumbent. Fields. 



R. odoratus, Linn. Flowering Raspberry, p. J. h 3 — 6 ft. Rocky 

 banks. 



R. saxatilis, Linn. w. J. ^ or »2 ? Creeping. Probably Synony- 

 mous with R. canadensis. 



RuDBECKiA Mrla, Linn. y. p. Ju. 3/ 2—3 ft. Bushy meadows. 



R. triloba, Linn. y. p. Ju. 21 4 — 5 ft. Meadows. 



R. laciniata, Linn. ?/. Ju. 2/ 4 — 8 ft. Meadows, 



RuELLiA s/rejoe/is, Linn. «J-p. Ju. 21 12 — 18 i. Rich woods. 



RuMEx crispus, Linn. Dock. Ju. H 2—3 ft. Fields. 



R. verticillatiis, Unn. J. 2/ 18— 24 i. Wet meadows. 



R. acetosellus, hum. Sorrel. J. J^ 6 — 12 i. Fields. 



Sab B ATI A angularus, Ph. American Centaury, p. Au. S 1—2 ft. 

 Sandy woods. 



Sagittaria sagi«//oZ/a, Willd. Arrow-head. lo. Ju. 21 12 — 13 i 

 Wet places. As varieties of this, Dr. Torrey very properly enu- 

 merates the following species. S, latifolia, Ph. S. hastata, Ph. 

 S. gracilis Ph. S. pubescens,Muh.\. 



S. heterophylla, ?h. to. Au. 21 8— 12 i. Wet. 



Salicornia herbacea, L'mn. Samphire. Au. 10 — 15 i. Sandy 

 shores of Patapsco, near its mouth. 



Salix conifera, Wm. Ap. h 4—8 ft. Shady woods. 



S. nio-ra, Marsh. Ap. h 15 — 20 ft. Banks of streams. 



S. alba, Linn. Ap. k 30—40 ft. Banks of streams. 



