INDEX. 



97» 



Tornelia fragrans=PhiIo(Jendron pertusum. 



temperature within spatbe, i. 501. 



Torsion, and phyllotaxis, i. 407. 



— and twining, i. 683. 



— of climbing stem, i. 686. 



— of fibrous strands in nutating stems, i. 683. 



— of leaf-stalks, i. 417, 418. 

 Torus. See Floral receptacle. 

 Tournefort, synoptical classification, ii. 601. 

 Tournefortia, buds on leaf-cuttings, ii. 43. 

 Toxicodendron, distribution of sexes, ii. 297. 

 Tozzia alpina, stamen, ii. 91. 

 Trabecule, of Isoetes sporangia, ii. 717. 

 Trachese, name of wood-vessels given from 



erroneous view of function, i. 276. 

 Traclieides, function of, i. 277. 



— mode of sap conduction, &c., i. 277. 



— name of wood-cells given from erroneous 



view of function, i. 276. 



— nature of wall, i. 277. 



— of Coniferae, ii. 720. 

 Trachyte, 1. 83. 



— mountains, sand at base, i. 82. 

 Tradescantia, absorbent cells, i. 600. 



— allurement by petals, ii. 171. 



— anthocyanin, i. 520. 



— cotyledon in germination, i. 606. 



— edible staminal hairs, ii. 170. 

 Tradescantia crassula, cross-fertilization, ii. 



308. 



duration of blossom, ii. 214. 



Tradescantia Virginica, cross-fertilization, 



duration of blossom, ii. 214. 



germinating seed, i. 599. 



■ opening and closing, ii. 212. 



Tragacanth bushes. See Astracialus. 

 Tragacanth-shrubs, spiny, i. 435. 

 Tragacanthacei, geographical distribution, 



habitat, spines, i. 447. 

 Tragopogon, aestivation, ii. 210. 



— capitula closing and pollination, i. 741. 



— flowers after pollination, ii. 286. 



— geitonogamy, ii. 319. 



— laticiferous tubes, i. 470. 



— time of closing, ii. 221. 

 Tragus. See Bock. 



Trailing Azalea. See Azalea procumbens. 

 Trametes, nutrition, attacks cell-walls, i. 167. 

 Trametesradiciperda. SeePo^!/po^«sa?^nos«s. 

 Transference of pollen, by explosive appa- 

 ratus, ii. 265. 



by percussive apparatus, ii. 262. 



Transformation, of reserve substances, i. 601. 

 - progressive, by inherent forces, ii. 596. 

 ' ' Transitional forms" of Viola really hybrids, 



:;. 534. 

 Transmission of water, centrifugal, i. 94. 



centripetal, i. 94. 



Transpiration, and fall of leaf, i. 355. 



— and growth, i. 513. 



— and root-pressure, 1. 282, 366. 



complementary and supplementary 



action of, i. 281. 



— and vascular tissue, i. 347, 362. 



— by cortex of stem, i. 330. 



— cessation for lengthened periods, i. 304. 



— conditions of, in the case of plants with 



rolled leaves, i. 305. 



— contrivances for aiding, in plants with 



roUed leaves, i. 303. 



— current, i. 274. 

 path of, i. 276. 



— effect on cell-contents, general considera- 



tions, i. 274. 



— extent of action, i. 282. 



— factors in, i. 326. 



— form and position of organs of, i. 325. 



— knowledge of conditions regulating, neces- 



sary for cultivation, i. 310. 



— leaf movements in relation to, i. 338. 



— mechanism of, compared to suction-pump, 



i. 281. 



— necessity for diminution, in high Alpine 



plants, i. 315. 



— necessity for means of increasing, in float- 



ing leaves, i. 288. 



Transpiration of cladodes, i. 334. 



— of Lianes, i. 347. 



— protection of stomata, i. 290. 



— regulation, i. 284. 

 by stomata, i. 309. 



in deciduous leaves, i. 347. 



— seasonal, i. 347. 



— signification of, i. 283. 



— shape in relation to, i. 327. 



— substitute for, in certain plants, I. 282. 

 Transplanting, of plants, with symbiotic 



mycelia, i. 250. 

 Transport, of food materials, i. 466. 



— of water, i. 366. 

 Trapa, air-bladders, i. 425. 



— cotyledons, ii. 421. 



— floats, i. 638. 



— fruit anchoring, i. 617. 



— heterophyllous, i. 668. 



Trapa natans, calyx and fruit, ii. 434. 



direction of roots on germination, i. 90. 



resting of seeds, i. 563. 



Trapella sinensis, hooked fruit, ii. 872. 

 Traps, advantage of. i. 158. 



— animal, of Dionsea, i. 149. 

 of Lathrsea, i. 136. 



of Lathrsea and Pinguicula, i. 137 



— of Bartsia, i. 138. 



— of Utricularia neglecta, i. 121. 

 Traveller's Joy. See Clematis. 

 Traveller's Tree. See Ravenala Madagaa- 



cariensis. 

 Tree, habit, i. 718. 



— phylogenetic, thallophytic part, ii. 620. 

 "Tree constrictors", i. 704. 

 Tree-ferns, ii. 473. 



aerial roots, i. 714, 753. 



caudex, i. 714. 



mode of growth, i. 659. 



root-hairs of, i. 224. 



tropical, delicacy of outer wall of epi- 

 dermal cells in certain, i. 284. 

 Tree of Chastity. See Vitex Agmis-castus. 

 Tree of Life. See Arbor vit(B. 

 Trees, age, i. 720. 



— and struggle for existence, ii. 515. 



— characteristics of inflorescences, i. 745. 



— tables of dimensions, i. 722. 



— trimming of, on transplanting, i. 92. 



— various, and cold resistance, i. 544. 

 Tremella mesenterica, ii. 687. 

 Trentepohlia, structure, ii. 652. 

 Trentepohlia lolithus, scent, ii. 653. 

 Trentepohlia spongophila, Sumatra, and 



sponge, ii. 653. 

 Trentepohlia umbrina, and Lichen-fungi, ii. 



653. 

 Treub, and chalazogamic fertilization, ii. 616. 

 Trianon, Botanic Gardens, and natural 



system of classification, ii. 602. 

 Tribulus orientalis, spinose fruit, ii. 875. 

 Triceratium Favus, ii. 626. 

 Trichia clavata, spore-dispersal, ii. 813. 

 Trichoblasts, of Mangrove stilt-roots, i. 761. 

 Trichocline, pericarp nmcilage, i. 615. 

 Trichocolea tomentella, stem, i. 591. 

 Trichodesmium Erythra;um, and "Flowers 



of the Sea", ii. 621. 



reddening of sea, i. 3S9. 



Trichogyne, of Dudresnaya, ii. 53. 



— of FloridesB, ii. CO. 

 Trichomanes Lyallii, ii. 707. 



fronds and sorus, ii. 11. 



Trichomes, dead, restrictive of transpiration. 



i. 313. 

 Trichophilus, in hairs of a Sloth, ii. 627. 653. 

 Trichophyton tonsurans, cause of Herpes, i 



169. 

 Trichostomum tophaceum, linie-incrusted, i. 



260. 

 Tricyrtes pilosa. flower, ii. 181. 



flower and autogamy, ii. 351. 



honey concealment, ii. 182. 



nectaries, ii. 176. 



Tridactylites, autogamy, ii. 337. 



Trientalis Europsea, difHculty of cultlTStlon. 



i. 113. 



I /I 



■1 I.ii.l t tmAK 



Trifolluri., I.l.-id'.ir 



— '- ■ • wU. II. 



— kliJ. Uiuii.aJ iA^iliutii. I. bH. 



— raorement* of cotjledon^ I. BJH 



— scent, il. 2U3. 



Trlfolium a«nirlum. fnilt. Ii. 433, 

 Trifollum bttUlmn. fruit II. 433. 

 InUorescenw), II. IM 



BOfdHliKi.. r,ril Ii M».», 



Trlfolium (• 

 Trifohuiii I, . 

 Trifollum nii: 

 Trifollum prati-ii».-, .1. 



i. 767. 

 Trifollum rcpens, antholrili, II. 83. 



creeping Hvm. I. 662. 



shade and growili. II, 504 



Trlfolium resuplnatum, sc*nt, IL JtO. 



scent during day, II. 209. 



Trifollum Bpndiceuin, chaiiKe of colour. II. 191 

 Trifollum stcllatum. creeping fruit*. IL MS. 



844. 

 Trifollum tomentosum, wlnd-dXipeml. Ik 



848. 

 Triglochin, dichogamy, II. 135. 



— dichogamy and cross-fcrtUlzatlon. II. 314 



— pollen storing and dlniwmlon. II. 148. 

 Triglochin Barcllic ri. tl'iwi-r. I. 646 

 Triglochin palustre. flowers. II. 149. 

 hooked frulu. II. 874. 



Trigonella fuenum-gnucum, tubardcs on root- 

 fibres, ii. 521. 

 Trillium, autogamy, ii. 333. 



— duration of flower, Ii. 214. 



— protogynous, ii. 311. 



TrUIium grandiflorum, scent. II. 2(12 

 Triopteris bifurca. »fe<l-<li»iier»»J. ii. 853. 

 Triopteris brachypteris. polleu-sr«ini^ II. W. 

 Trioza Rhamni. scrollg&U on Rtukumu* 



catbarticus, 11. 531. 

 Tripoli, construction through plant«, i. 361. 

 Tripoli powder, and diatonu. ii. 614. 

 Tritelia, pollen-grain^ ii. 98. 

 Trithrinax aculeata. aerial r<x>t spine*. I. 433. 

 Triticum and ^giloi>8. hybridization. II. 581 



— and ElymuB, hybridization, li 583. 



— and Fucciuia graminis, il. CS6. 



— pollination, ii. 142. 



Triticum cauinum. arclicd le»f. I. 430. 

 Triticum repens. boring scale-lcaTe*. I 653 

 Triticum vulgare. absorbent cvlU, I. M). 



grain, scutcllum, lie., i. 599. 



Triumfetta Pluniiori, hooked fruit, IL 873 

 Trixago, pollen sprinking. II. 272. 

 Triiago apula, outogamy, II. 353. 

 TroUius, colour of seiials, ii. 183. 



— movements of stamens, ii. 250. 



— nectaries, ii. 179. 



— protection of pollen from wet, II. 109. 

 TroUius EuroiiaMis, effiHt of inulil»Uon. II SIT. 

 flower, section, li. 249. 



scent, ii. 201. 



sheltering of pollen, il. 110. 



Tropicolum, cotyledons, L 0)6; 11. 421. 



— failing of flower. I. 743 



— l.uf-st&lk tendrils, 1. 692. 



— nectary. II. 177. 



— pollengrains, li. 98, 



— riDge<l U'udriK I. 694. 



— venatlou, I. 632. 

 Ttopa-olum miijits. sewUlDg. I 607. 

 Triitllo. Sto riiVr. 

 Truflle-fruit. il OTS. 



TrumiH-t liypi"*'. <'f Ijunliuui*. U. « 

 Tnunpcl Tno Sc<« Calalpo i^rim^M** 

 T8chll»chfrlH«U-n. interior of IstrlB, kbnuM 



of Heaths. I. 307 

 Tsnpi DousLoslI, liitenw^lUI* ch«f»c«««» tt. 



725 

 TulH'r, iii..n.hoi'k-U-.->l t,:'.;r. 11 C 

 -natv.r.. ..f. 1 f.M 

 TuUrni.lau..»l-'runi. n (>»\ 

 TubeTsc<-«.v description. II €76 

 Tubercle, of PbylWlo«n«m. •• HI 



