6s6 



I N DE X. 



Tamarix gallica, 470, 479, 

 484, 497: fibres, 134. 



Tamarix indica, lenticcls, 

 563. 



Tamils communis, 323, 622 : 

 sclerenchyma, 419; se- 

 condary thicicening, 618; 

 vascular system, 275. 



Tamus elephantipes, cork, 

 114. 



Tamus polycarpus, 622. 



Tanacetum RIeyerianum, 

 hairs, 61. 



Tanacetum vulgare, oil-pas- 

 sages, 446, 447, 



Tanxcium, 574. 



Tannin sacs, 153. 



Taraxacum, 475, 504 : air- 

 spaces, 215; laticiferous 

 tubes, 433, 525; root, 

 517) 525; sieve-tubes, 2 31. 



Tasmannia aromatica, 494. 



Taxineae, bast-fibres, 527; 

 crystals, 141,529; second- 

 ary changes, 480; secre- 

 tion, 102; sieve-tubes, 522. 



Taxodium, cotyledons, 245. 



Taxodium sempervirens, 

 vascular system, 379. 



Taxus, 14, 118: annual 

 rings, 476; secretions, 

 137; secretory reservoirs, 

 441 ; vascuhir system, 246, 

 300, 308, 356, 379, 391, 



475- 



Taxus baccata, 13 : epider- 

 mis, 77, 79 ; medullary 

 rays, 489; periderm, 555. 



Tecoma radicans, lenticels, 

 560; vascular system, 243; 

 wood, 580. 



Tectona grandis, 484, 485, 

 496 : pits, 163 ; silicifica- 

 tion, 103, 510. 



TerebinthacecC, secretory 

 reservoirs, 440, 525. 



Terminology, remarks on, 

 591. 



Tests for fibres, 133. 



Testudinaria, cork, 11; se- 

 condary thickening, 618. 



Testudinaria elephantipes, 

 622. 



Tetragonella, 591. 



Tetragonia, hair structures, 

 65. 



Tetragonia echinata, 65. 



Tetragonia expansa, 65. 



Tetragoniese, 590, 591. 



Tetrapterys, 577. 



Tetrazygia angustifolia, 

 hairs, 62. 



Tetrazygia dissoluta, hairs, 

 62. 



Tetrazygia elseagnoides, 

 hairs, 62. 



Teucrium, 70. 



Thalia, 128, 212. 



Thalia dealbata, air-spaces, 

 216, 218. 



Thalictrum, 25 : cortex, 

 404 ; medullary bundles, 

 248, 249 ; sclerenchyma, 

 420 ; vascular system, 322, 

 -> -7 -^ 



Thalictrum aquilegifolium, 

 322. 



Thalictrum flavum, 322. 



Thallus, intramatrical, 384. 



Thamnochortus, 425. 



Theophrasta ornata, 418, 

 419. 



Thesium, haustorium, 383; 

 stomata, 45. 



Thinouia, 583, 5S9. 



Thladiantha dubia, vascular 

 system, 248, 249. 



Thryallis, hairs, 61. 



Thuja, 14, 118: periderm, 

 551 ; secondary growth, 

 475; secretory reservoirs, 

 442 ; stomata, 49 ; vascu- 

 lar system, 246, 356, 381. 



Thuja gigantea, 246, 381. 



Thuja occidentalis, 13, ii8, 

 246 : wax, 83. 



Thuja orientalis, wax, 83. 



Thuja plicata, vascular sys- 

 tem, 246, 247 (Fig. 109). 



Thujopsis, 379. 



Thyloses, 170. 



Thymus, hairs, 61, 64, 



Thymus Serpy Hum, stomata, 

 41. 



Thymus vulgaris, glandular 

 scales, 95 (Fig. 39). 



Tilia, 167 : annual rings, 

 476; bast, 522 (Fig. 212) ; 

 cork, no, 113; cortex, 

 404; crystals, 530; fibre, 

 131J 527; parenchyma, 

 537; periderm, 548, 558; 

 secondary growth, 472; 

 sieve-tubes, 175, 176, 523 ; 

 tracheides and fibres, 483. 



Tilia argentea, 537. 



Tilia parvifolia, 479, 537: 

 crystals, 142. 



Tiliaceae, mucilage, 143. 



Tillandsia, parenchyma, 411; 

 vascular system, 265, 266. 



Tillandsia acaulis, 265. 



Tillandsia usneoides, hairs, 

 64. 



Tissue, arrangement of the 

 forms of, 224; cellular, 

 27 ; element, 3 ; fixed, 4 ; 

 form, 3 ; forms of in the 



secondary wood, 478; 

 ground, 115 ; hypodermal, 

 225 ; parenchymatous, 27; 

 permanent, 4 ; pleuren- 

 chymatous, 27; primary 

 arrangement of, 224; 

 prosenchymatous, 27. 



TithymaUis, 438, 439. 



Tmesipteris, 348. 



Toddalieae, oil-cavities, 207. 



Todea, 118 : sclerenchyma, 

 426 ; vascular system, 280, 



319, 367- 



Todea atricana, 280, 367. 



Todea barbara, 118. 



Todea hymenophylloides, 

 280, 367, 426, 427. 



Todea rivularis, 54. 



Tommasinia verticillaris, 

 water-pore, 52. 



Tontelea, 587. 



Tornelia, internal hairs, 222, 



Tornelia fragrans, stone- 

 elements, 127; vascular 

 system, 352, 361. 



Torreya, n : vascular sys- 

 tem, 246. 



Torreya nucifera, 118. 



Tracheae, 155, 478: pitted or 

 dotted, 156; position of, 

 226. 



Tracheides, 155, 165: and 

 fibres, 483. 



Tradescantia, hairs, 61 ; pa- 

 renchyma, 411; stomata, 

 40 ; vascular system, 270, 

 316, 327. 



Tradescantia albiflora, vas- 

 cular system, 269 (Figs. 

 119, 120), 311, 316, 327, 

 391. 



Tradescantia discolor, 67. 



Tradescantia Lyonii, 327. 



Tradescantia virginiana, 

 270: vascular system, 311, 



359- 



Tradescantia zebrina, 33, 

 270, 316, 327. 



Tragopogon, laticiferous 

 tubes, 433; sieve-tubes, 

 231. 



Trapa, air-spaces, 213, 214, 

 219; cortex, 405; crys- 

 tals, 220; vascular bun- 

 dles, 277, 341- 



Trapa natans, 277 : petiole, 

 2 ; root-cap, 413. 



Trevirania longifolia, vas- 

 cular system, 243. 



Trianthema, 591. 



Trichomancs, sclerenchy- 

 ma, 127; vascular sys- 

 tem, 343, 344, 364- 



Trichomanes elegans, 344. 



