PLANTS AND FERNS. 85 



S. telephioides, Mx. p. 2f. 1 ft. Rocky banks of Potomac. 

 Senecio hieracifoUus, Linn. Fire-weed. lo. J. 21 3 — 6 ft. Road 



sides. 

 S. oJm'a/MS, Willd. y. M. 21 12 — 18 i. Rocky banks. 

 S. balsamilae, Willd. y. J. 2/ 1 — 2 ft. Rocky banks. 

 S. aureus, Linn. Rag- wort. y. J. 21 1 — 2 ft. Wet meadows. 

 Serpicula canadensis^ Muhl. Ditcli Moss. w. Ju. 21 Water. 



Submersed. 

 Setaria glauca, P. de B. Ju. 1 — 2 ft. Road sides. 

 SiDA spinosa, Linn. y. Ju. l^ 1 — 2 ft. Rocky woods. 

 S. ahitilon, Linn. Indian Mallows, y. Ju. ^ — 5 ft. Old fields. 

 SiLENE virginica, hum. r. J. 21 12 — 18 i. Rocky banks. 

 S. antirrhina, Linn. w-p. J. J^ 1 — 2 ft. Dry fields. 

 SiLPHiUM trifoUatum, Linn. ?/. Au. 2/ 4 — 6 ft. Open woods and 



meadows. 

 SiNAPis nigra., Linn. Mustard, y. J. 3 — 5 ft. Old fields. 

 SxRYMBRiuM officinale, Scop. Hedge Mustard, y. J. i — 2 ft. 



Road sides. 

 SisYRiNCHiuM anceps, Linn. Blue-eyed Grass, h. J. 2/ 6 — 12 i. 



Meadows. 

 S. mucronatum, Mx. 5. J, 2/ 9 — 12 i. Meadows. 

 SiuM latifoUiwi, Linn. Water Parsnip, to. Ju. 2^ 2 — 3 ft. Swamps. 

 S. lineare, Mx. ?«. Ju. 21 1 — 2 ft. Swamps. 

 Smilax rotundifolia, Linn. Green Briar, g-io. J. Jj Climbing. 



Damp woods. 

 S. pedunciilaris, Muhl. g-io. M. 21 2 — 4 ft. t^limbing. Meadows. 



Flowers fetid. 

 S. herhacea, Linn. g-io. J. 21 2 — 3 ft. Climbing. Meadows. 

 SoLANUM dulcamara, Linn. Bitter-sweet, b-y. Ju. Ij 4 — 10 ft. 



Climbing. 

 S. nigrum, Linn. Nightshade, tc. i-z(j. J. i — 2 ft. Fields. 

 S. carolinense, Linn. Horse-nettle. &. J. 1 — 2 ft. Rocky 



banks. 

 SoLEA concolor, Dec. ^. Ap. 21 1 — 2 ft. Rich open woods. 

 SoLiDAGo canadensis, Linn. Golden Rod. y. Ju. 21 2 — 5 ft. Fields^ 

 S. altissima, Linn. y. Au. ^ 3 — 6 ft. Fields. 

 S. ulmifolia, Willd. ?/. Au. ^ 2 — 3 ft. Woods. 

 S. odora. Ait. ?/ Au. J^ 2 — 3 ft. Rocky woods. 

 S. hicolor, Linn. ?/-?y. Au. 2/ 1 — 2 ft. Dry woods. 

 S. levigata. Ait. y. S. ^ Wet meadows along Patapsco and Chesa- 

 peake. 

 S. Jlexicaulis, Linn. y. Au. 2J^ 2 — 3 ft. Woods. 



