GENERAL INDEX. 
Tillandsia, the name, xii, 79. 
Timber in Texas, xi, 81. 
‘© strength of, xi., 47. 
Tissa macrotheca, var. Scariosa, N. var., XV., 
129. 
“¢ pallida, n. sp , xv., 129. 
“Preliminary Note on the North Ameri- 
can Species of the Genus, xvi , 125. 
Toadstools, prep. for herbarium, vili., 21. 
Tolypella Macounii, n. sp., xiv., *212. 
# the American species of, X., *109. 
Tomato, history of, xii., 78. 
Torenia Aslatica, fertilization of, ix., *51. 
hse forest, along N. Pacific R. R., x1., 21. 
large, vil., 57, 67, 101, 121. 
a: “© near New York City, vii., 81, 107. 
** annual growth of, vii, 71. 
“growth of, xii., 82. 
“of the United States, xili., 75 
‘of the South-west, ix., 53, 78, 106. 
Tricardia Watsonl, ix., 92, 116. 
Triceratium Heilprinianum, n. sp., xvi., *210. 
by indentatum, n. sp., Xvi., *210. 
- Kainil, n. sp., xvi., *76. 
T. Kainii, var. constrictum, n. var., Xvi., *210. 
Trichomanes, radicans in Tennessee, vii , 16. 
Trifolium, fannel-shaped leaves in, x., 70. 
Trigger-hairs of the Thistle Flower, Xv., *82. 
Trigyneia Boliviensis, spec. nov., Xvi., 14. 
Trillium, phyllody of sepals in. x., 71. 
ae polyphylly of corolla in, X., 57. 
Trisetum, n. sp., X., *64; xi, 6; xil., 6. 
Trollius, etymology of word, xil., 59. 
Troximon, 0. sp., X., 88: 
Trunks of trees, changes in diameter, vill. 
Tubulifioral Composite, On irregular tenden- 
cles in, xv., 266. 
Tuckahoe, etymology of, ix., 115. 
be notes on, 1x., 125, 140, 152; xl, *1. 
Tulip tree, the ancestors of, xiv., *1. 
Typha, fission of spike in, vil., 68. 
Typha, xv., *1. 
Typhacew, Studies in the, xv, *1, 73. 
Umbelliferae, artificial synopsis of. vii , 87. 
es oil receptacles of xil., 55. 
Unifolium, xv., 285. 
Union of an oak with a birch, xiil., 221. 
Uredo, n. sp., xii., 36. 
Uromyces, n. sp., X., 74. 
Ustilago, n. sp., x.,7; xil., 35. 
Utah, notes from, viii., 70, 75; X., 32. 
Utricularia, fish killed by, x1., 52. 
- resupinata, Note on, vil., 19. 
Valsa, D. sp., X., 89, 118; X1., 27, 28. 
Valsaria, n. sp., X1., 28. 
Varietal names, gender of, x1., 47, 56. 
Varieties, Classification of slight, XVL., 270, 272, 
328, ‘i 
xvii 
Vase, the Gray, xii., #116. 
Vegetable tissue, contraction under frost, x., 
83, 
ibs dace- memes effect of climate on, x1., 81. 
micro-,of Dank notes, mM 101, 
vd sunlight and, xil., 64. 
es influ. heat and cold, xil., 64, 
- insular, xii., 103. 
Veltheimia, proterandry in, xili., 62, 
Venation, new terminology of, vit., 37. 
Verbascum, a hybrid, ix., 10, 141. 
Re Lychnitis, xii., 83. 
Vernation of Botrychium boreale, vil., 115. 
ad in Botrychia, vill., 100. 
Veronica, note on, xil., 48. 
Vincetoxicum nigrum, ix., 106, 120. 
be Scoparium, ix., 115. 
vn etymology of word, xil., 60. 
Viola, the genus, xi., 59. 
“ Boliviana, spec. nov., xvi., 18, 
“© Bridgesii, spec. nov., xvi., 18. 
** peloric, vil., 98. 
** sagittata, variations in, vil., 27. 
“© thymifolia, spec. nov., xvi., 18, 
Violet, round-leaved, note on, vill , 47. 
“© with runners, x., 57 
Violets, notes on New Jersey, xlv., 76. 
Virescence in Leontodon, vili., *128. 
6 in Thalictrum, viil., 60. 
iz in Rosa, 1x., 155. 
Virgaria, n. sp., X., 97. 
Volvox globator, xi,, 10. 
Walnut tricotyledonous, x., 122. 
Websteria, gen. nov., xiv., 135. 
es limnophila, sp. nov., xiv., 135. 
¥ submersa, XV., 99. 
Weeds, distribution of, x., 24. 
ss geeds of, xil., 111. 
‘© the migration of, ix., 112. 
Westchester Co., N. Y., gleanings in, 1x., 35. 
Williamson, John, death of, xi., 104, 
Willows, White Mountain, xv., "121; xvi., 39, 
211. 
Wissadula Andina, spec., nov., xvi, 153. 
Wolffia gladiata var. Floridana, vil 64, 
Wood, Alphonso, vill., *53. 
Woodsia obtusa, xiil., 116. 
Woodwardia, angustitolta in Mich., vill., 47. 
Wool, fir leaf, xli., 66. 
Xanthidium, n. sp., xiv., 3. 
4 cristatum, var. truncatum, n, 
var., xVi., 186. 
Yaupon, the, xiL, 63. 
Young, Alfred R., death of, x., 57. 
Yucca, nectary of, xill., *135. 
Zanthoxylum, D. sp., X-, 90. 
Zea, eversion of axis in, vil., 69. 
Zygnema, 0. sp., Xti., 126. 
* 
