596 



INDEX, PART I. 



Sympodium, 19, 519. 

 Synangium, 52, 349, 389. 

 Syncarpons, 465 (Fig. 281), 472. 

 Syncyte, 64. 



Synergidaj, 408 (Fig. 242). 

 Syngenesious anthers, 462. 

 Systems of classification, 233. 

 Systole, 206. 



Tangential longitudinal section, 4. 



Tannin, 187. 



Tapetum, 53, 363, 396, 463. 



Tap-root, 44, 419. 



Tartaric acid, 187. 



Tegumentary tissue -system, 101. 



function of, 162. 



primary, 106. 



secondary, 149. 



Teleutospore, 299 (Figs. 178, 179). 

 Temperature, 160. 

 Tendril, 27 (Fig. 15), 41 (Fig. 19), 



171, 175, 212. 



Tentacle, 48 (Figs. 33, 34), 189. 

 Terminal bud, 11. 

 Termination of A T ascular bundle, 



130. 



Tern ate, 37 (Fig. 23). 

 Testa, 415. 

 Tetracyclic, 450. 

 Tetradynamous, 462, 535. 

 Tetrasporangium, 244. 

 Tetraspore, 244, 271 (Fig. 159). 

 Thalloid shoot, 22. 

 Thallophyte, 3. 

 Thallus, 3, 22, 132, 237. 

 Theca of Bryophyta, 52, 54, 337 

 (Figs. 208-210). 



of anther, 463. 

 Thein, 186. 

 Theobromin, 186. 

 Thorn, 27 (Fig. 16), 171. 

 Tissue, 65, 88. 



aqueous, 115. 



conjunctive, 116, 118, 140. 



cuticularised, 91 (Fig. 69). 



embryonic, 90. 



forms of, 90. 



functions of, 162. 



glandular, 96 (Figs. 76-82), 147, 

 166. 



ground-, 101, 110. 



heterogeneous, 65. 



homogeneous, 65. 



permanent, 90. 



prosenchymatous, 90. 



sclerenchymatous, 92 (Fig. 70), 

 164. 



pecondary, 137 (Figs. 108-117). 



sieve-, 94 (Figs. 74, 75), 165. 



spurious, 88. 



Tissue-systems, 101. 



tegumentary, 101, 149, 162. 



thick-walled parenchymatous, 

 91. 



thin-walled parenchymatous, 

 90 (Fig. 69), 163. 



tracheal, 93 (Fig. 73), 121, 164. 



vascular, 121, 126. 

 Torus of flower, 55, 443. 

 Trabecute, 52, 357 (Fig. 213). 

 Tracheae, 94 (Fig. 73). 

 Tracheal tissue, 93, 140, 164. 

 Tracheid, 93 (Fig. 73). 

 Trama, 303 (Fig. 183). 

 Transfusion-tissue, 119, 420. 

 Transition from root to stem, 128. 

 Transmission of stimuli, 221. 

 Transpiration, 179. 



-current, 181, 183. 

 Transverse section, 4. 

 Trichogyne, 61, 242, 259 (Fig. 148), 

 272 (Figs. 160, 161), 291 (Fig. 

 172). 



Trimorphic flowers, 412. 

 Tripinnate, 35. 

 Truncate, 37. 

 Trunk, 27. 



Tuber, 25 (Fig. 13), 505 (Fig. 317). 

 Tubercles of roots, 191. 

 Tuberous root, 45. t 

 Tumid, 28. 

 Turgid, 159. 

 Turgidity, 159, 179, 225. 

 Twining of climbing-stems, 223. 



of tendrils, 212. 

 Tyloses, 94. 

 Tyrosin, 186, 199. 



Umbel, 440 (Fig. 259), 548. 

 Umbellule, 440. 

 Umbo, 435. 

 Uniaxial, 23, 438. 

 Unijugate, 35. 

 Unilocular ovary, 465. 



sporangium, 52. 

 Unisexual, 61, 395. 

 Unit of protoplasm, 63. 

 Unseptate body, 63. 

 Uredospore, 299 (Fig. 178). 

 Urn, 343. 

 Utriculus, 493 (Fig. 304). 



Vacuole, 66 (Fig. 36). 



contractile, 206. 

 Vaginula, 315. 



Vallecular cavities, 383 (Fig. 230). 

 Valve of Diatoms, 265. 



of fruits, 475. 

 Valvular dehiscence of anther, 463. 



