INDEX 



gymnosperm 



Mu... i. 68, 69; pteridophytes, 130, / ,'/, 

 / .7- 



Swarm spores, r6, 11 >. 



Swelling, 300. 



Swimming spores, 10. 



Sympetalae, 239; classification, 280. 



Sympetalous corolla, 255. 



Sympetaly, 255. 



Symphyogyna, roi. 



Synangium, t6i, r<5 i- 



Synanthales, 277. 



Syncarpous pistils, 255. 



Syncarpy, 255. 



Synchj trium, 63. 



Synsepalous calyx, 255. 



Syringa, leaf gland, 338; leaf xylem, 343. 



Tannins, in. 



Tapetum, 126, 153, 164, 174, 177, 257, 258, 

 259. 



Tartaric add, 414. 



Taxaceae, 212. 



Taxic movements, 431. 



Taxies, 432, 446. 



Taxineae, 212. 



Taxodineac, 220. 



Taxus, 213; microsporophyll, 214. 



Telegraph plant, y f. 



Teleutospore, 82, 83. 



Temperature, and death, 4S3 ; and nastic 

 curvatures, 44.5 ; and photosynthesis, .572 ; 

 and transpiration, 3.->o. 



Tendrils. 469. 



I ension of tissues, t-'5. 



1 erpenes, 11 ;. 



Testa, [83, id'), 205, 209, 213. 



Tetanus, 432, 433- 



Tetracyc lit Bowers, 281. 



Tetraspores, 55, 59, 60. 



Thallophytes, 1. 



Thelephorales, 87. 



Theobromin, 415. 



Thermotropism, 479. 



Thigmotropism, y»>. 



Thuja, archegonium complex, 222. 



ris, habit and sporangia, 142. 



Toadstools, 87. 



Tobai co, Bower, 



Tolypothrix, 9. 



Tone, 434. 



Tooth fungi, 88. 



Torreya, archegonium, 215; embryo, 218; fe- 

 male gametophyte, 216; fertilization, 2/7; 

 male gametophyte, 217; microsporophyll, 

 21 1; strobilus, si ;. 21 /. 



Tr.il.e. 11I u 



Tracheae, .|i. /;. ;i-. .;/;. 



Trai lieids. 1 50, 220. 241, .■//. I ; 

 nili.i, r.M.I tips, 247. 



["ran lot ation ..1 1 1, (88 ; rhyihmi. . 



Transmission of stimuli, 430. 

 Transpiration, 321, 323; factors, 320; and 

 growth, ,s -'*> ; and salts, 325. 

 il ropism, 472. 



Tree ferns, [56. 



Trehalase, 400. 

 Tremellales, 86. 



ne, 56, 57, 80. 

 Trichomanes, sporangia, 156. 



Triple fusion, 270. 

 Tropaeolum, nectary, 339. 



Tropic movements, 431. 



Tropisms, 432, 458. 



True mosses, 1 15. 



Truffles, 7 \. 



Twiners, 4(17. 



Tube cell, [99. 



Tuberales, 74- 



Tubifloralcs, 282. 



Tumboa, embryo, 236 ; female gametophyte, 

 234; "flowers," 230; habit, 229; strobi- 

 lus, 22Q. 



Turgidity, 308. 



Turgor, 309; and growth, 310 ; movements, 

 451, 457 ; rigidity from, 310. 



Ulothrix, 24, 25. 



Ulva, 26. 



I'mbellales, 280. 



Umbelliferae, 280. 



Uncinula, 75, 76. 



Uredinales, 82. 



1 redo, 84. 



Uredospore, 82. 



Urostyla, movement of cilia, 446. 



Use and disuse, 284. 



Ustilaginales, 81. 



Vacuole, 297. 



Yasi ular anatomy, Bennettitales, 185 ; 

 Coniferales, 219; Cordaitales, 203 ; Cyca- 

 dales. 102, ;,;/,• Cycadofilicales, t8i, 182; 

 Dicotyledons, 242, 245; Equisetum, 145; 

 Filicales, 156, 159, /<•>", 161, 162; Ginkgo, 

 207; Gnetales, 229; Isoetes, 138; Lyco 

 podium, 124, 125; Monocotyledons, 244, 

 245; Ophioglossales, 149; root, 247,240; 

 Ha, / y. 



Vaucheria, 14, 



Vegetative multiplication, algae, 0, 10; 



mOSSt ■-,. 1 in. 



Velum, Norte-, 1 jo; mushroon 

 \'ieia, geotropit rool curvature, f>i. 

 \'oU a, mushrooms, 88. 



