INDEX TO THE INTRODUCTORY ESSAY. 



269 



TT P^B" 



Heynea 249 



Himalaya . 166 



Central . . . . 183 



Cis-Satlej 190 



Cis-Chenab .... 190 



comparatively produc- 

 tive of species 26 



divisions of ... 174 



species, verticalrangeof 39 



variation of species in 26 



Western 189 



provinces of 199 



Hindostan 116 



Hindu Kiish ..... 215, 253 



Hippocratea 114 



Hippophae rhamnoides . . . Ill 

 Hippuris vulgaris . . . 110, 220 



Hodgson, Mr note 185 



Hoffmeister, Dr 184 



Hohenacker, plants distributed by 127 

 HoUbolUa 180 



latifoUa 203 



Holostemn umbeUatum of . . 109 

 Homologies of the organs of plants 17 

 Hooker, Dr., Herbarium of . . 73 

 Hooker, Sir W., Flora BoreaU- 

 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 



effects of on species 22 



necessity of study- 

 ing 24 



Hybrids, difficulty of producing 22 



oifspring of, barren . 22 



probable inlrequency 



of, in nature, discussed ... 23 



Hyderabad (Dekhan) 

 Hydrangea 

 Hydrilla . . . 

 Hymenopogon 

 Hyosoyamus niger 

 Hypecoum . . 

 procumbens . 

 Hypericum perforatum 



. 138 

 106, 193 

 . 242 

 238 

 . Ill 

 . 219 

 . 257 

 . 109 



Pago 



Ilex 98, 126 



Illicium 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, anomahes in distri- 

 bution of 115 



distribution of, as af- 

 fected by chmate 94 



[ distribution of, as af- 

 fected by geographical position 101 

 Indigofera .... 113, 126, 182 

 Indore (Malvrah) . . " . . 148 

 Inga . . . ... 249 



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 

 Isonandra Gutta ... . . 252 



Isopyrum thalictroides .... 211 

 Isora corylifoHa .... 136, 192 

 Isothermals of India .... 77 



Itea 238 



Ivy 108 



Ixiohrion 256 



Jabalpur (Malwah) .... 147 

 Jack's Malayan Miscellanies . . 48 

 Jacquemont, M., Herbarium of 



52, 63, 70 



■ journals of . . . 63 



Jaffna (Ceylon), c^iltivation of 

 grapes at . . note 120 



Jaintia hills . 234 



Jaipur (Eajwara) 154 



Jalauri Pass (Kulu) . . 204 



