40 
Annals of Botany. 
Trichocladium asperum, description (*), xvi. | 
8 5 * 
Trichoglossum , description, xi. 240. 
— hirsutum , description (*), xi. 241. 
Trichomanes apiifolium, structure (*), xiv. 
478 . 
• — Bancroftii, structure (*), xiv. 477. 
— ericoides, structure, xiv. 479. 
— heterophyllum, structure, xiv. 478. 
— Prieurii, structure (*), xiv. 474. 
— pyxidiferum, structure (*), xiv. 479. 
- — radicans, structure (*), xiv. 471. 
- — reniforme, structure (*), xiv. 469. 
— scandens, structure (*), xiv. 478. 
— spicatum, structure, xiv. 477. 
Trichomes, effect of centrifugal force on cells 
of (*), xiii. 337, 340. 
Trichosphaeria Sacchari, ascigerous stage, 
xvii. 383 ; macro- and micro-conidial stage, 
xvii. 380 ; Melanconium stage, xvii. 374. 
— causing disease of Sugar-cane, xiv. 617; 
xvii. 374. 
Trichosporium insigne, n. sp ., description (*), 
xvi. 85. 
Trichothecium inaequale, n. sp., description 
(*), xvi. 84. 
Tricyrtis hirta, seedling-structure, xvii. 33. 
Triglochin maritimum, embryology (*), xiv. 
100 ; embryo-sac (*), xiv. 99 ; endosperm 
(*), xiv. 102 ; flower development (*), xiv. 
96; flowering stem structure (*), xiv. 89; 
leaf-structure (*), xiv. 90 ; rhizome-struc- 
ture (*),xiv. 84 ; root-structure (*), xiv. 93. 
Trigonocarpon olivaeforme, structure (+), 
xx. 109. 
Trillium grandiflorum, seedling -structure, 
xvii. 34. 
Tritonia Uvaria, raphides (*), xii. 150. 
Tropical insolation, effects of, xi. 439, 585. 
Tropistic movements of plants, anti-ferment 
reaction in,xix. 75. 
Trow, A. H. — Observations on the Biology 
and Cytology of a new variety of Achlya 
americana (Plates VII I-X), xiii. 131. 
— Observations on the Biology and Cytology 
of Pythium ultimum, n. sp. (Plates XV 
and XVI), xv. 269. 
■ — On Fertilization in the Saprolegnieae 
(Plates XXX 1 V-XXXVI), xviii. 541. 
Tryptophane in plants, xvii. 256. 
— in proteolysis, xvi. 1. 
Tsuga canadensis, development of archego- 
nium and fertilization (*), xiv. 583. 
— diversifolia, seedling-structure, xx. 473. 
Tubercularieae, coprophilous, xvi. 87. 
Tubers of Dioscorea sativa, origin, develop- 
ment, and morphological nature of the 
aerial (*), xv. 491. 
Tulipapraecox, seedling-structure (*),xvii. 2 5. 
Tulip droppers, morphology and structure 
(*), xx. 431 - 
Tyrosinase, occurrence of in Polyporus 
squamosus, xx. 51. 
U. 
Ulvaceae-Chaetophoraceae, evolution and 
polymorphism, xi. 112. 
Umbelliferae, insects and flowers, xvii. 338. 
Uredineae, aecidium, fertilization in (*), xviii. 
349; aecidium - morphology, xviii. 353; 
alternations of generations (*), xviii. 323 ; 
bridging species, xix. 42; conjugate division 
of nuclei (*), xviii. 345 ; cytology (*), xviii. 
323 ; Eriksson’s Formae speciales, xix. 16 ; 
fertilization (*), xviii. 323, 349, 352; ger- 
mination of uredospores, xix. 1 2 ; heteroe- 
cism,xix. 9 ; infection, xix. 28; life-history, 
xix. 10; nuclear division (*), xviii. 356; 
nuclear fusion in teleutospore (*), xviii. 349; 
phylogeny, xix. 44 ; relationships, xviii. 
362 ; sexuality (*), xiii. 585 ; xix. 11 ; xx. 
35; specialized parasitism, xix. 14; sper- 
matia, nature of (*), xviii. 346 ; spore- 
distribution, xix. 1 1 ; starvation pheno- 
mena, xix. 39; teleutospores, nuclear fusion 
in (*), xviii. 349; uredospore, germination, 
xix. 1 2 ; vegetative life, xix. 5 5. 
Uredospores, germination, xix. 12. 
— of Puccinia dispersa, germination, xvi. 
261. 
Uromyces Ficariae, sexuality (*), xx. 43. 
— Poae, sexuality (*), xx. 37. 
— Scillarum, sexuality (*), xx. 43. 
Urophl yetis, life-history (*), xi. 87. 
— Kriegeriana, life-history and parasitism 
(*), xi. 89. 
— leproides, life-history and parasitism (*), 
xi. 91. 
— pulposa, life-history and parasitism (*), xi. 
93 - 
Ustilagineae, sexuality, xiii. 584. 
V. 
Vacuoles in Saccharomyces (*), xii. 526. 
Vacuum, effect of on nuclear division, xix. 
527. 
Vallisneria, effect of centrifugal force on cell, 
xiii. 345. 
Variation in flowers of species of Primula 
(*), xvi- 317. 
Variations of Calypso bulbosa, spontaneous, 
xiii. 25. 
Vascular system of Matonia pectinata (*), 
xix. 475. 
of stem of certain Dicotyledons, nature 
of, xvi. 599. 
Vaucheria, effect of centrifugal force on cell, 
xiii. 348. 
Veratrum nigrum, seedling-structure, xvii. 33. 
Verpa, description, xi. 264. 
— ferruginea, description, xi. 276. 
Verticillium lateritium, description, xvi. 82. 
Vibrissea, description, xi. 2 59. 
— circinans, description (*), xi. 261. 
— lutea, description (*), xi. 262. 
— Margarita , description (*), xi. 260. 
