INDEX TO THE INTRODUCTORY ESSAY 



269 



IT PagG 



ileynea 249 



Himalaya . , 166 



Central 183 



Cis-Satlej 190 



Cis-Ckenab .... 190 



comparatively produc- 



tive of species 26 



divisions of . . . .174 



species, vertical range of 39 



variation of species in 26 



Western 189 



provinces of 199 



Hindostan 116 



Hindu Kiish . . . [ . 215, 253 



Hippocratea 114 



Hippophae rhamnoides . . .111 

 Hippuris vulgaris . . . 110, 220 



Hodgson, Mr note 185 



Hoffmeister, Dr .184 



Hohenacker, plants distributed by 127 



Hollbollia .180 



latifolia 203 



Holosteum umbellatum of . . 109 

 Homologies of the organs of plants 17 

 Hooker, Dr., Herbarium of . .73 

 Hooker, Sir W., Flora Boreali- 



Americana 58 



Hookerian Herbarium .... 68 



Hookhoom (Ava) 248 



Hopea 249 



Hordeum pratense 112 



Horsfield, Dr., Java plants . . 54 

 Horton's plains (Ceylon) . . .118 

 Hosungabad (Berar) .... 140 



Houttuynia ....... 106 



Hukum (Ava), the valley of 246, 248 

 Hundes (West Tibet) . . . .223 



Hutchinsia petrsea ..... 109 



Hyacinthus 256 



Hybridization 21 



22 



mg 



effects of on species 

 necessity of study- 



Hybrids, difficulty of producing 



- offspring of, barren 



- probable infrequency 

 of, in nature, discussed 



Ifyderabad (Dekhan) 

 1 1 y drangea . . 

 Hydrilla . . . 

 Hymenopogon 

 Hyoscyamus niger 

 Hypecoum . . 



procumbens . 

 Hypericum perforatum 



24 

 22 



9. 91 



. 23 

 . 138 

 106, 193 

 . 242 

 . 238 

 . Ill 

 . 219 

 . 257 

 . 109 



Page 



Hex 98, 126 



IUicium 105, 235 



Impatiens 114 



India, Alpine flora of ... . 100 



annuals of 96, 97 



botanical provinces of . . 88 

 central 147 



— — comparative rarity 



of species in ..... 27, 93 



— climate of . . . . . . 74 



— effects of climate on the va- 

 riation of species 26 



— general remarks on vegeta- 

 tion of 90 



number of species in ... 91 



temperate flora of . . . . 98 



tropical forests of .... 95 



India-rubber fig 232 



Indian Flora, relation of, to that 



of tropical Africa 93 



plants, anomalies in distri- 

 bution of 115 



distribution of, as af- 

 fected by climate 94 



_ distribution of, as af- 

 fected by geographical position 101 

 Indigofera .... 113, 126, 182 



Indore (Malwah) 148 



Inga 2 * 



lodes 252 



Ipomcea muricata •. . . . .153 



Pes-caprse . 154 



reptans 153 



Irak Pass (West Tibet) ... 253 

 Irawadi, the river, sources of. . 246 



Iris 235 



Iskardo (West Tibet) . . 215, 225 



Tsonandra Gutta 252 



Isopyrmn thalictroides .... 211 

 Isora corylifolia .... 136, 192 



Isothermals of India .... 77 



Ttea 238 



Ivy ^ 108 



Ixiolirion 256 



Jabalpur (Malwah) ..... 147 

 Jack's Malayan Miscellanies . . 48 

 Jacquemont, M., Herbarium of 



52, 63, 70 



journals of . . . 63 



Jaffna (Ceylon), cultivation of 



grapes at note 120 



Jaintia hills 234 



Jaipur (Rajwara) 154 



Jalauri Pass (Kulu) .... 204 



