Index to Vols. 
Thompson, W. P. : The Anatomy and 
Relationships of the Gnetales. I. The 
Genus Ephedra (*), 26, 1077. 
Thielavia basicola, endoconidia of (*), 29, 
483. 
T hiselton-Dyer, W. T. : Morphological 
Notes. XII. Germination of the Double 
Coco-nut (*), 24, 223. 
Thuja, chromosome formation and distribu- 
tion (*), 22, 536; homotype mitosis (*), 
22, 540; prophase (*), 22, 530. 
— spp., seedling-anatomy, 22, 703. 
Thyloses and cavity parenchyma in Ferns, 
(*), 22, 401- 
Thymus Serpyllum, insect visitors, 22, 
605. 
Tilia europaea, anatomy of leaf-fall (*), 25, 
60. 
Tmesipteris, anatomy (*), 22, 67 ; distribu- 
tion, 22, 63 ; external features (*), 22, 64 ; 
habitat, 22, 63 ; historical, 22, 66 ; sys- 
tematic position, 22, 83. 
Todea, production of dwarf male prothalli in 
sporangia of (*), 22, 231. 
Torenia, spp., seedling-anatomy, 26, 739. 
Toxic action of isomers on vegetable cells, 
23, 1 8 1. 
Toxin, presence of, in ‘infection drop’, 30, 
404- 
Tracheae of Ferns, nature of (*), 22, 517. 
Tracheidal wood of Coniferae, reason for, 
24, 254. 
Tracheides, a cretaceous Pityoxylon with 
marginal (*), 25, 315. 
Tradescantia, heterotypic chromosomes in 
pollen mother-cells (*), 21, 327. 
— pulchella, occlusion of stomata (*), 27, 
369. 
Tragopogon dubius, seedling-structure, 28, 
322. 
Transfusion tissue, origin (*), 25, 975; 
theory of, 27, 359. 
T ranspiration, evaporation as a measure of 
(*), 23, 282. 
— of Coniferae, 24, 242 ; of halophytes (*), 
25, 486; in submerged plants, 23, 635; 
in succulents (*), 26, 409, 435. 
— in succulents in relation to habitat, 26, 
435 ; alpine plants, 26, 438 ; desert plants, 
26, 435 ; epiphytes, 26, 436 ; halophytes, 
26, 437 ; mangroves, 26, 436. 
in relation to structure, 26, 4 1 o ; aqueous 
tissue, 26, 420 ; conducting system, 26, 
433 ; glands, 26, 422 ; protective means, 
26, 412 ; reaction and nature of cell sap, 
26, 425; stomata, 26, 416; superficial 
absorption, 26, 423 ; water conservation, 
26, 428 ; water-storage, 26, 425. 
— under Australian conditions (*), 24, 86 ; 
Dracaena Draco, 24, 91 ; Eucalyptus 
corynocalyx, 24, 89 ; E. maculata var. 
citriodora, 24, 88 ; Nerium Oleander, 24, 
88 . 
XXI-XXX. 37 
T ranspiring surface in relation to succulence, 
26, 410. 
Transpirometer, a recording (*), 28, 109. 
Traquairia (*), 25, 459 ; description (*), 25, 
462. 
— burntislandica, n. sp., description (*), 25, 
4 6 5- 
— Carruthersii, n. sp., description (*), 25, 
463. 
— Spenceri, n . sp., description (*), 25, 464. 
— stellata, n. sp., description (*), 25, 465. 
Traumatic ray-tracheides in Cunninghamia 
sinensis (*), 22, 593. 
— response in Drimys '(*), 30, 359. 
Trichodiscus, n. gen., description, 26, 241. 
— elegans, n. sp., description, 26, 241 ; mor- 
phology (*), 26, 239. 
Trichomanes Kaulfussii, apospory and apo- 
gamy (*), 23, 233. 
— javanicum, habit (*), 25, 1037 ; morpho- 
logy of axillary branch (*), 25, 1040 ; 
stelar anatomy (*), 25, 1038. 
Trichosanthes anguina, structure, 29, 583. 
Tridax procumbens, seedling-structure (*), 
28, 314- 
Trientalis europaea, insect visitors, 22,635. 
T rigonocarpeae, origin of integument, 28,73. 
Trigonocarpus, casts and impressions (*), 21, 
127; description, 21, 303; 28, 94; (*), 
28, 195; historical resume of British 
forms, 21, 94; relationship with Ginkgo, 
30, 356. 
— clavatus, description (*), 28, 85, 95. 
Dawesi, description (*), 28, 85, 95. 
— Moyseyi,«. sp., description (*), 28, 85, 95. 
— Oliveri, n. sp., description (*), 21, 124. 
— Parkinsoni, chalazal end of seed (*), 21, 
1 1 1 ; characters (*), 21, 96 ; descriptions 
of forms (*), 28, 84, 94 ; inner flesh, 21, 
no ; micropylar end of seed (*), 21, 1 15 ; 
nucellus (*), 21, 119 ; pollen chamber (*), 
21, 1 19; sarcotesta (*), 21, 99; sclero- 
testa (*), 21, 106 ; testa (*), 21, 99 ; wing 
of seed (*), 21, 1 15. 
— shorensis, n. sp., comparison with other 
types, 28, 62 ; diagnosis, 28, 76 ; general 
features (*), 26, 41 ; nucellus (*), 28, 59 ; 
origin of integument in Trigonocarpeae 
and Lagenostomales, 28, 73 ; pollen 
chamber (*), 28, 6 1 ; relation to vegeta- 
tive organs, 28, 76 ; testa (*), 28, 44, 68 ; 
vascular organization (*), 28, 52. 
Tristichaceae and Podostemaceae, origin of, 
29, 299. 
Triticum, vitality and self-digestion of endo- 
sperms, 22, 457. 
— vulgare, embryo development (*), 23, 133; 
endosperm (*), 23, 125; nuclear dis- 
organization in endosperm, 23, 131 ; 
seedling-anatomy (*), 29, 199 ; starch in- 
filtration into endosperm (*), 23, 126 ; 
strength and development of grain (*), 
23,ii7. 
