INDEX. 



397 



Shortia glacifolia, 16. 



Siebold's Flora of Japan, 37. 



Sinistrorse and dextrorse, 297. 



Sisymbium, 186. 



Smilacece, A. De CandoUe's Monograph 



of, 249. 

 Smilacece, distribution of, 250. 

 Smilacina, nomenclature of, 261. 

 Smilax, 249. 



Soil, soluble matters in, 103. 

 Solanum tuberosum, origin of, discussed, 



317. 

 Species, A. De €andolle's definition of, 



149 ; Linnaeus' definition of, 148. 

 Species, origin of, Naudin's views on, 



216. 

 Species, variation and distribution of, 



130. 

 Species, various views on the, 147. 

 Species, views on the derivation of, 



140. 

 Specimens, incomplete, difi&culties of 



describing-, 292. 

 Sphceroplea, nature of, 92. 

 Statistics of the British flora, 105. 

 Stem, the initial, defined, 310. 

 Stems of climbing plants, revolutions 



of, 159. 

 Streptanthus, 185. 

 Style in botanical writing discussed, 



302. 

 Sullivantia Ohioensis, 282. 

 Sweet Potato, origin of, discussed, 317. 



Tendril-bearing plants, origin of, 159. 



Tendril-climbers, mode of growth of, 

 172. 



Tendrils, movements of, described, 172. 



Tendrils of Cucurbitacece, 175. 



Terms, contradictory use of, 296. 



Terms, multiplication of, discussed, 

 296. 



Thalictrum Fendleri, 184. 



Thomson and Hooker's Indian Flora, 

 62. 



Tomato, history of the cultivation of 

 the, 341. 



Tree-culture, possibilities of, in Eng- 

 land, 254. 



Trees, longevity of, 82. 



Trees of North Carolina, 115. 

 Trees and Shrubs of Massachusetts, 

 Emerson's, 204. 



Urticacece, geographical distribution 

 of, 89 ; relationships of, 88. 



Urticacece, Weddell's Monograph of 

 87. 



Utricularice, North American in the 

 Prodromus, 18. 



Uvularia, 281. 



Variability and heredity in plants, na- 

 ture of, 212. 



Variation of species discussed, 214. 



Varieties, importance of describing, 

 293. 



Varieties, method of treating, 288. 



Varieties, their relations to species, 

 287. 



Vegetable kingdom, cross and self- 

 fertilization in, 217. 



Vegetable kingdom, Radlkofer's pro- 

 cess of fecundation in, 91. 



Vegetable monstrosities, 40. 



Vegetable world, history of, 274. 



Vilmorin on the improvement of cul- 

 tivated plants, 109. 



Virginia Creeper, tendrils of, 176. 



Vitis, characters of, discussed, 251. 



Wallace, A. R. , on Epping Forest, 253. 

 Ward's Growth of Plants in Glazed 



Cases, 59. 

 Wardian cases, growth of plants in, 



59. 

 Watson's Botany of the 40th Parallel, 



180. 

 Watson on North American Liliacc(C, 



278. 

 Weddell's Monograph of Urticacece, 87. 

 Weed, Henslow's definition of a, 268. 

 Weeds, fertilization of, 268. 

 Weldenia, 281. 

 Welwitschia, J. D. Hooker on, 151. 



Yam, origin of the, discussed, 322. 

 Yucca, Engelmann's notes on, 190. 

 Yucca, anthesis of, 197. 

 Yucca, nature of the fruit of, 198. 



