36 
Scirpus planifolius, Muhl. June. 2. 6—8 in. Damp. 
S. acicularis, Linn. June, July. 2¢. 2—6 in. Swampy grounds. 
S. Americanus, Persoon. July. 2¢. 2—3 ft. West shore of Green 
Island. 
S. lacustris, Linn. June. 2. 4—6 ft. Marshes and wet grounds. 
S. debilis? Muhl. 
S. drunneus, Muhl. Aug. 2. 2—3 ft. Wet. 
S. macrostachyus, Muhl. Aug. 2f. 3—4 ft. Marsh near Schenec- 
tady. 
S. Eriophorum, Mich. July, Aug. 2f. 4—5 ft. Wet grounds. 
S. Zineatus, Mich. Aug. 2f. 2—3 ft. Wet grounds. 
S. autumnalis, Linn. Aug. Sept. 2f. 8—12 in. Low grounds. 
ScLERANTHUS annuus, Linn. Knawel. g. July. 3%. Small, procum- 
bent. Dry fields and barren soil. 
ScLERia triglomerata, Mich. Whip-grass. June. 2. Damp ground 
1 mile west of Troy. 
ScropHuLaRiA Marylandica, Linn. Fig-wort. g-brown. July. 2f. 3 
—4 ft. Low grounds. Deobstruent. 
S. lanceolata, Pursh. 2;. 2—8 ft. 
ScuTELLARIA Jateriflora, Linn. Scull-cap. 6. July, Aug. 22. 10— 
18 in. Damp situations; meadows, ravines, &c. 
S. galericulata, Linn. 6. Aug. 2f. 8—16 in. Low grounds. 
SENEcIO vulgaris, Linn. Groundsel. y. June—Oct. 2. 12—20 in. 
Introduced. Emetic and cathartic. 
S. hieracifolius, Linn. w. July, Aug. #%. 2—5 ft. Recently clear- 
ed ground, roadsides, &c. 
S. obovatus, Willd. y. May, June. 2{. 1 ft. Green Island, near the 
river dam. 
S. aureus, Linn. False Valerian. y. May—July. 2f. 18—24 in. 
Shady rocky situations, wet meadows, &c. Root an excellent 
nervine. 
Serpicuta Canadensis, Muhl. Ditch Moss. w. July, Aug. 2f. Rivy- 
er, below the surface. Flowers minute. 
Setar glauca, P. de B. July, Aug. %. Grass 2 ft. Cultivated 
grounds, roadsides, &c. 
Sicyos angulata, Linn. Single-seeded Cucumber. whitish & g. Ju- 
ly, Aug. %. Climbing. River alluvion. 
Sipa abutilon, Linn. Indian Mallows. y. July, Aug. 3%. 8—5 ft. 
Waste grounds. 
SILENE Pennsylvanica, Mich. p. June. 2, 6—12 in. Anthelmintic. 
S. antirrhina, Linn. w-p. June. 2f, 1—2 ft. Dry situations. 
