428 



INDEX AND GLOSSAKY 



Root -climbers, 108; cutting, 21; -hairs, 

 9, 12, 64, Figs. 11, 103-105, 110; -pres- 

 sure, 69, 73, P"ig. 109; system, 7; ex- 

 crete, 71; how elongate, 17; need air, 

 70; propation by, 20; structure, 259, 

 267. 



Rootstock: subterranean stem; rhizome, 

 19, (U). 



Rosa Carolina, 359; humilis, 359; lucida, 

 359; rubiginosa, 359. 



Rosaceae, 353. 



Rose acacia, 349. 



Rose cutting. Fig. 34; family, 353; hip, 

 155, Fig. 265; mallow, 341; -mo.ss, 

 339, Fig. 254; of Shaion, 341; swamp, 

 359; climbing, 108; prickles, 105. 



Rotate, 137. 



Rowan, 360. 



Rudbeckia hirta, 407, Fig. 498; laciniata 

 407. 



Rubus, 358, Figs. 158, 263. 



Rubicacese, 394. 



Rue anemone, 324. 



Rumex, 318, Fig. 453. 



Runner: a trailing shoot taking root at 

 the nodes, (56). 



Russian thistle, 163, Fig. 99. 



Rust, 85, 183. 



Rutland beauty, 380. 



Rye-flower, 146, Fig. 239. 



Saccharose, 245. 



Sacred lily, Chine.se, 304, Fig. 435. 



.Sage, common, 107, 369; scarlet, 369. 



St. John's -wort, 125, :339, Figs. 192, 252. 



St. Peter's wreath, 361. 



Salsify, 403. 



Salt-loving societies, 219, Fig. 371. 



Saltpeter, in osmosis, 66. 



Salverform, 137. 



Salvia officinalis, 369; splendens, 369. 



Samara: indehiscent winged pericarp, 

 (287). 



Sambucus Canadensis, 398, racemosa; 

 398. 



Sanguinaria, 330. 



Sapindacese, 343. 



Saponaria officinalis, 321. 



Saphrophyte, 85, 86, 200 



Sassafras, 136. 



Saxifrage, 362. 



Sa.xifragaceffi, 361; crystals, 250. 



Scalariform: with elongated markings, 

 (390). 



Scape: leafless peduncle arising from the 

 ground, (248). 



Scenery and plants, 202. 



Sclerenchyma, 236, 257. 



Scouring rush, 193. 



Scramblers, 108. 



Scrophularia, 374. 



Serophulariacece, 372. 



Scutellaria, 371. 



Sacondary thickening, 263. 



S3dgHS, phyllotaxy, 49. 



Seed: a reproductive body containing an 



embryo plant, 5. 

 Seed, coats, 164; starch, in 31; dispersal, 



l.'j8; -variations, 228. 

 Selection, 231. 

 Self-fertilization: secured by pollen from 



same flower; close fertilization, (260). 

 Self-heal, 370. 

 Self-pollination: transfer of pollen from 



stamen to pistil of sama flower; close- 

 pollination, (263). 

 Seneca snakeroot, 347. 

 Senna, 353. 

 Sepal: one of the separate leaves of a 



calyx, (251). 

 Septicidal: dehiscence along the parti- 

 Serrate: saw-toothed, (200). 

 Service berry, 359. 

 Sessile: not stalked, (195). 

 Shadbush, 359. 



Shade and leaves, 98; and plants, 215. 

 Shadows in trees, 61. 

 Sharon, Rose of, 341. 

 Sheep and plants, 224. 

 Sheepberry, 397, Fig. 279. 

 Sheep sorrel, 318, Fig. 453. 

 Shepherdia, hairs, 270, 

 Shepherd's purse capsule, 152, 336, Fig. 



259. 

 Shooting star, 391. 

 Sieve tissue, 254. 

 Silene, 322. 



Silicle: short fruit of Crucifera>, (293). 

 Silique: long fruit of Cruciferae, (293). 

 Silkweed, 386. 

 Silphium, 50. 



Simple pistil: of one carpel, (255). 

 Sinistrorse; left-handed, (231). 

 Sisyrinchium, 306. 

 Skullcap, 371. 



Skunk cabbage, 141, 225, 250, 295. 

 Sleep of leaves, 50. 

 Slips, 24. 



Sn.artweed, 125, 136, 148, 31S, 319. 

 Smilacina racemosa, 301; stellata, 301. 

 Smilax of florists, 103, 301, Fig. 434. 

 Smilax tendril. 111. 

 Snakehead, 374. 

 Snapdragon, 137, 374, Fig. 220. 

 Snowball, 145, Figs. 236, 237, 334; 



.Japanese, 398. 

 Snowberry, Fig. 260. 

 Snowdrop, 304, Fig. 436. 



