INDEX. 



Solomon's Seal, 36. 

 Solomon's Seal, False, 32. 

 Solomon's Seal, Three-leaved 



False, 32. 

 Sonchus asper 5.34. 

 Sonchus oleraccus, 534. 

 Sorrel Family, 2,34. 

 Sorrel, Field or Sheep, 104. 

 Sorrel, Lady's, 236. 

 Sorrel, Violet Wood, 234. 

 Sorrel, Wood, 234. 

 Sorrel, Yellow Wood, 236. 

 Southbury, Conn., 374. 

 Sparganiace^;, 4. 

 Sparganium androcladum, 4. 

 Sparganium eurycarpum, 4. 

 Sparganium simplex, 4. 

 Spatter-dock, 126. 

 Spearmint, 392. 

 Spiderwort Family, 18. 

 Spikenard, 302. 

 Specularia perfoliata, 456. 

 Speedwell, Common, 424. 

 Speedwell, Marsh, 424. 

 Speedwell, Thyme-leaved, 426. 

 Spiderwort, 20. 

 Spiraea Aruncus, 190. 

 Spiraea lobata, 190. 

 Spiraea salicijolia, var. latifolia, 



188. 

 Spircea tomentosa, 188. 

 Spiranthes cernua, 72, 74. 

 Spiranthes gracilis, 74. 

 Spiranthes praecox, 74. 

 Spiranthes Romanzoffiana, 76. 

 Spring Beauty, 114- 

 Spurge, Cypress, 248. 

 Spurge Family, 246. 

 Spurge, Seaside, 246. 

 Spurge, Spotted, 246. 

 Spurge, Sun, 248. 

 Spurge, White Margined, 248. 

 Squawroot, 436. 

 Squirrel Corn, 162. 

 Stachys aspera, 410. 

 Stachys palustris, 410. 

 Staff -Tree Family, 254. 

 St. Andrew's Cross, 268. 

 Star Flower, 344. 

 Star Grass, 60. 

 Star-of-Bethlehem, 56. 

 Statice Limonium, var. Caro- 



liniana, 350. 

 Steeplebush, 188. 

 Steironema ciliatum, 344. 

 Steironema lanceolatum, 344. 

 Stellar ia graminea, 124. 

 Stellar i a longifolia, 124. 

 Stellaria media, 124. 

 Stenanthium robustum, 48. 

 Stenanthium. Stout, 48. 

 Stickseed, European, 378. 

 Stickseed, Virginia, 378. 

 Stick-tight, 512. 

 Stitchwort, Lesser, 124. 

 Stitchwort, Long-leaved, 124. 



vSt. John River, Fort Kent, Me, 



132. 

 St. John's-wort, Common, 270. 

 St John's-wort Family, 268. 

 St. John's-wort, Great, 268. 

 St. John's-wort, Marsh, 272. 

 St. John's-wort, Shrubby, 268. 

 St. John's-wort, Spotted, 270. 

 St. Libory, St. Clair Co., 111., 158 

 Stonecrop, Ditch, 180. 

 Stonecrop, Wild, 180. 

 St. Peter' s-wort, 268. 

 Strawberry, American Wood 



196. 

 Strawberry, Wild Virginia, 196. 

 Strcptopus amplcxijolius, 28. 

 Streptopus roseus, 28. 

 Strophostyles angulosa, 226. 

 Stylophorum diphyllum, 156. 

 Succory, 524. 

 Sumac, Dwarf, 250. 

 Sumac, Poison, 252. 

 Sumac, Smooth, 250. 

 Sumac, Staghorn, 250. 

 Sundew Family, 178. 

 Sundew, Long-leaved, 178. 

 Sundew, Round-leaved, 178. 

 Sundew, Slender, 178. 

 Sundew, Thread-leaved, 178. 

 Sundrops, 2g8, 300. 

 Sunflower, Small, 510. 

 Sunflower, Tall, 510. 

 Sunflower, Ten-petaled, 512. 

 Sunflower, Thin-leaved, 512. 

 Sunflower, Woodland, 51°- 

 Sweetbrier, 206. 

 Sweet Cicely, 314. 

 Sweet Flag. 16. 

 Sweet Scabius, 498. 

 Symphoricarpos raccmosus, 450. 

 Symphoricarpos vulgaris, 448. 

 Symplocarpus fatidus, 14. 



Tanaccium vulgar e, 516. 

 Tansy, 516. 



Taraxacum erythrospermum, 532. 

 Taraxacum officinale, 532. 

 Tearthumb, Arrow-leaved, 108. 

 Tearthumb, Halberd - leaved, 



108. 

 Teucrium Canadense, 300. 

 Thalictrum dioicion, 1 •;<>• 

 Thalictrum polygamum, 136. 

 Thalictrum purpurasccr.s, 138. 

 Thaspium aurcunt, 310. 

 Thaspium aureum, var. aire 



purpurcum, 310. 

 Thaspium barbinode, 310. 

 Thimble-berry, 190. 

 Thimble-weed, 130. 

 Thistle, Canada, 522. 

 Thistle, Common, 520. 

 Thistle, Pasture, 522. 

 Thistle, Sow, 534. 

 Thistle, Swamp, 522. 

 Thistle, Tall, 522. 



550 



