488 



INDEX 



{Nwmhera refer to pages.) 



Itussian thistle, leaf, 103; spread of, 



337. 

 Kye, 227, 230. 



Sage, anther of, 149; scarlet, 156. 



Sagittaria, 191. 



Sagittate, 119. 



Salix, discolor, 44; rostrata, 44. 



Salsify, duration of, 387; florets, 183; 



roots of, 393; tubers, 364. 

 Samara, 271. 

 Sambuous, 417. 

 Sand-bur, 338. 

 Saprophyte, 351, 406. 

 Sap-wood, 424. 

 Sarcocarp, 257. 

 Sarcodes, 409. 

 Sassafras, leaves, 124, 

 Savin leaves, 125. 

 Scape, 188. 

 School grounds, 448. 

 Scirpioid cyme, 195. 

 Sclarea, 156. 

 Scouring-rush, 346. 

 Scramblers, 401. 

 Scullion, 355. 

 Sea-beans, 339. 

 Sea-weeds, 352. 

 Sedge, layer of, 367. 

 Sedges, 164, 230; olassifloation, 327; 



leaf -scars, 42; rhizcne, 362. 

 Seed, 252, 334; leaves, 320. 

 Seed-pod, 132, 133. 

 Seedlings, 336. 

 Seeds, dispersion of, 336. 

 Segments, 87. 

 Selaginella, 346. 

 Sensitive fern, 343. 

 Sensitive plant, 405. 

 Sepal, 135. 

 Sapticidal, 264. 

 Soptifragal, 265. 



Serrate, 119. 



Sessile, 83. 



Setchell, book by, 447. 



Sexes in plants, 139, 156. 



Shadberry, fruit, 293. 



Shad-bush, twigs, 37. 



Sheath, 112. 



Sheep, browsing by, 412; carry seeds, 



337. 

 Shield-fern, 343. 

 Short-styled, 1240. 

 Shrubs, 10, 390. 

 Shrub-trefoil, fruit, 271. 

 Siliele, 262. 

 Silicon, 422. 

 Silique, 262 

 Simple leaf, 86. 

 Sinistrorse, 398. 

 Sinuate, 119. 

 Sinus, 119. 



Skunk-cabbage, 169, 411. 

 Sleep of plants, 403. 

 Smartweed, leaf, 112; scrambling, 401. 

 Smilacina, 360. 

 Smilax, flower, 188; leaves, 122, 124; 



oT florists, 104; wild, 41. 

 Smoke vine, 214. 

 Snails, pollination by, 245. 

 Snowball, inflorescence, 197; ventral 



flowers, 179; stature, 389. 

 Snow-on-the-mountain, 219. 

 Snow-plant, 409. 

 Societies of plants, 410. 

 Sodium, 422. 

 Solanaoese, 209, 274. 

 Solanum, fruit, 275. 

 Sorghum, 230. 



Sorrel, associates of, 413; leaf, 113. 

 Sorus, 343. 



Southworth, book by, 230. 

 Spadix, 169. 

 Spalding, book by, 447. 



