38 
Annals of Botany . 
Triuridaceae, new (*), 21, 71. 
Trolliusasiaticus, seedling-anatomy, 28,707. 
— europaeus, insect visitors, 22, 620. 
Tropaeolum, amylase content, 25 , 1197. 
— majus, effect of chloroform on respiratory 
exchanges (*), 27 , 710; pollination and 
respiratory activity, 21, 494. 
— per/egrinum, hair production on stem and 
petiole (*), 26 , 589. 
Tropics, subaerial and freshwater algal 
flora, 21, 235. 
Tsuga, spp., seedling-structure, 23 , 190. 
Tuber aestivum, description, 23 , 256. 
— bituminatum, description, 23 , 256. 
— brumale, description (*), 23 , 259. 
— dryophilum, description, 23 , 258. 
— excavatum, description (*), 23 , 257. 
— ferrugineum, description, 23 , 260. 
— foetidum, description, 23 , 257. 
— intidum, description, 23 , 260. 
— macrosporum, description, 23 , 257. 
— puberulum, description, 23 , 258. 
— rapaeodorum, description, 23 , 258. 
— rufum, description, 23 , 259. 
— saleroneuron, description, 23 , 260. 
T uberaceae, affinities and structure of British 
(*), 23 , 243. 
— British, descriptions (*), 23 , 248 ; geo- 
graphical distribution, 23 , 246 ; habitats, 
23 , 247 ; key to families, 23 , 248. 
Tubercle of Echinopsis (*), 24 , 144; vas- 
cular arrangement with cotyledons (*), 
24 , 146. 
Tubereae, description (*), 23 , 250 ; key to 
genera, 23 , 250. 
Tubers, anatomy (*), 24 , 537. 
Tubiflorae, seedling-anatomy (*), 26 , 727. 
Tumamoca, water-balance (*), 26 , 83. 
Tumours on Veronica Chamaedrys caused by 
Sorosphaera Veronicae (*), 24 , 35. 
T unica prolifera, seedling-structure, 26 , 1 80. 
U. 
Ulex europaeus, seedling-structure, 27 , 810 ; 
tripartite and other leaves of, 28 , 527. 
Ulodendroid scar, structure and origin (*), 
28 , 481* 
Ulodendron, description (*), 28 , 489 ; dis- 
cussion, 28 , 493. 
Ulotrichales in the tropics, 21 , 257. 
Ulvaceae, attaching discs (*), 26 , 403. 
Umbelliflorae, stem-anatomy (*), 29 , 55. 
Undaria, embryonal stages (*), 25 , 704 ; 
mucilage glands (*), 23,613; post-embryo- 
nal stages (*), 25 , 707. 
— pinnatifida, forms of, 25 , 708. 
Uredineae, general account, 21 , 443. 
Uredo mycelia of cereal rusts, development 
(*), 21 , 441. 
— spp., see under Puccinia. 
Urtica dioica, insect visitors, 22, 648. 
Urticales, seedling-structure, 30 , 595. 
Ustilaginoidella graminicola causing rice 
disease (*), 25 , 367. 
— oedipigera causing Elephantiasis of banana 
(*), 25 , 363. 
Utricularia of Great Britain, species of (*), 
27 , 607. 
— emarginata, bladders (*), 24 , 554; con- 
ditions of germination, 24 , 550 ; morpho- 
logy (*), 24 , 549 , 554 5 notes on, 23 , 339 ; 
seed and germination (*), 24 , 550. 
— ochroleuca, biology and morphology (*), 
27 , 609 ; geographical distribution in 
Great Britain, 27 , 617 ; historical, 27 , 608. 
Uvaria zeylanica, vascular anatomy (*), 22, 
671. 
V. 
Vaccinium oxycoccus, insect visitors, 22 , 
619. 
Valeriana officinalis, insect visitors, 22 , 607. 
Variation in Anemone nemorosa (*), 30 , 
525 ; in sexual organs of Saprolegniaceae 
H, 22, 361. 
Varietal ferns, cytology (*), 24 , 191. 
Vascular anatomy of Akebia lobata, 22 , 
674; Anemone japonica, 22 , 657 ; Anona- 
ceae (*), 22 , 670 ; Artabotrys odoratis- 
simus, 22 , 670 ; Berberidaceae (*), 22 , 
673 ; Berberidopsis corallina (*), 22 , 674 ; 
Berberis aquifolium, 22 , 674 ; Calycan- 
thaceae, 22 , 668 ; Cananga odorata (*), 
22 , 672 ; Clematis, spp. (*), 22 , 661 ; 
Drimys, spp., 22 , 667 ; Epimedium pin- 
natum (*), 22 , 674 ; Eupomatia Bennettii, 
22, 671; Helleborus, spp. (*), 22, 659; 
Hydrastis canadensis (*), 22 , 675; Illicium 
floridanum (*), 22 , 667 ; Magnolia tripe- 
tala, 22 , 665 ; Magnoliaceae (*), 22 , 665 ; 
Monodora myristica, 22 , 671 ; Nandina 
domestica (*), 22 , 674 ; Paeonia, sp. (*), 
22 , 663 ; Paeoniaceae (*), 22 , 663 ; 
Podophyllum peltatum (*), 22 , 673; 
Polyalthia suberosa (*), 22 , 670 ; Ranales 
(*), 22 , 651 ; Ranunculaceae (*), 22 , 657 ; 
Thalictrum flavum (*), 22 , 658; Uvaria 
zeylanica (*), 22, 671. 
Verbascum pulverulentum, seedling-ana- 
tomy, 26 , 738. 
Veronica, spp., insect visitors, 22 , 610; seed- 
ling-anatomy, 26 , 740. 
— chamaedrys, tumours caused by Soro- 
sphaera Veronicae (*), 24 , 35 ; chrorni- 
dial or akaryote stage (*), 24 , 38 ; 
infection, 24 , 39 ; nuclear division of 
vegetative phase (*), 24 , 37 ; plant nucleus 
(*), 24 , 41 ; structure of tumour (*), 24 , 40. 
Verrucaria margacea, cultural experiments 
(*), 28 , 245 ; external characters (*), 28 , 
241 ; nomenclature, 28 , 245 ; reproduction 
(*), 28 , 243 ; systematic position, 28 , 
245 ; thallus structure (*), 28 , 242. 
Verticillium albo-atrum, cause of blindness 
in potato tubers, 26 , 129. 
