584 



INDEX 



cotyledons, 187-192; of woody 

 Dicotyledons, 197-203; pros- 

 trate, 173; pruning, 221-225; 

 structure, 192-203; underground, 

 177; use in propagation, 225- 

 232. 



Stigma, 33, 33*. 



Slink Horn Fungus, 392, 392*. 



Stinking Smut, 395. 



Stipe, 386. 



Stipules, 235, 234*. 



Stock, 227. 



Stolons, 361. 



Stomata, 184; function, 247; location, 

 248, 249; structure, 247, 246.* 



Stoneworts, 329; described, 332-335. 



Storage tissue, 132. 



Strap-shaped flowers, 25, 24*. 



Strawberry fruit, 79, 79*. 



Strengthening tissue, 129, 128*, 129*, 

 130*. 



Strobilus, 437, 439, 441, 447, 452. 



Stromata, 371, 371*. 



Structure, of cells, 112-116, 114*, 

 115*; of herbaceous dicotyle- 

 donous stems, 192-197; of leaves, 

 242-252; of monocotyledonous 

 stems, 187-192; of roots. 143- 

 150; of stems, 182-203; of woody 

 stems, 197-203. 



Struggle for existence, 517; described, 

 521. 



Strychnine, 283. 



Style, 34, 33*. 



Suberin, 276. 



Sugar cane, plants, 496, 496*; propa- 

 gation, 226, 228*, 229*. 



Sugar, formation, 253; kinds, 277; 

 transformation into starch, 255. 



Sulphur, as a soil constituent, 157. 



Summer spores of Rust, 397, 397*. 



Sundew, 272. 



Survival of the fittest, 517; described, 

 522. 



Suspensor, 466, 466*. 



Swamp societies, 505. 



Sweet Cherry, 212, 211*. 



Sweethearts, 240*. 



Sweet Potato family, 490. 



Sweet Potato, propagation, 164, 164*. 



Symbiosis, 156. 



Sympetalae, 472; families, 489-495. 



Synangium, 430. 



Systematic Botany, 3. 



Tap-root, 139, 139*. 



Taphrina pruni, 376. 



Tassel of Corn, 16*, 17*. 



Tartaric acid, 285. 



Taxonomy, 3. 



Teleutospores, 397, 398*. 



Temperature, in relation to germina- 

 tion, 89, 90; in relation to growth 

 of stems, 218; in relation to 

 photosynthesis, 260; in relation 

 to transpiration, 263. 



Temporary roots, 103. 



Terminal buds, 206. 



Terminal flowers, 27, 27*. 



Tertiary roots, 150. 



Testa, 55. 



Tetraspore, 329. 



Tetrasporic plant, 328. 



Thalictrum, 467. 



Thallophytes, 292; described, 296- 

 405; Algae, 296-329; Bacteria, 

 341-350; Basidiomycetes, 382- 

 404; Blue-green algae, 297-301; 

 Brown Algae, 318-324; Flag- 

 ellates, Diatoms, and Stone- 

 worts, 329-335; Fungi, 351-405; 

 Green Algae, 301-318; Lichens, 

 379-382; Myxobacteria, 350; 

 Red Algae, 324-329; Sac 

 Fungi, 363-379; Slime molds, 

 336-341; Water Molds, 353-363. 



Thorns, 272, 271*. 



Tillandsia, 162. 



Timothy heads, showing improve- 

 ment, 529. 



Tissues, general view, 126-134; ab- 

 sorbing, 131, 131*; conductive, 

 130, 130*; food-making, 132, 132*; 

 meristematic, 126, 126*; of 

 leaves, 242-252; of roots, 146- 

 150; of stems, 182-203; protec- 



