CONTENTS. 



XUl 



Page 

 B. Ermmeration of Herharia. 



WaUichian ■ . . 59 



British Museum — Wight's Herbarium — GriiHth's collections . . 60 



G-riffith's published journals 62 



Jaoquemont's coUections and journals ...... 63 



Eoyle's Herbarium . ........ 64 



Linnean Society's Herbaria — Strachey and Winterbottom's . . 65 



Dr. Amott's Herbarium — Mr. Bentham's 66 



Dr. Lindley's — Colonel Munro's — Dr. Falconer's . . . .67 



The Hookerian Herbarium ........ 68 



Its contents ... . . . • . 69 



Our own collections . . . ..... 72 



V. Sketch op the Meteoeolooy of India . . . . 74 



VI. Sketch as the Phtsioaii Featuees and Veoetation oe the 



Peovinces of India 83 



A. Limits of the ' Flora Indica.' 

 V Himalaya and Tibet, north boundai-y . . . . . .84 



Afghanistan and west boundary . ..... 85 



Eastern frontier .... . ... 86 



Comparison with area of Europe, etc. ...... 87 



B. Necessity of dividing India into Provinces, and principles 

 according to which it is proposed to he done. 



Difficulty of task . 88 



Neglect of definition in giving habitats of Indian plants . . 89 



Materials and mode of treating subject . . . . .90 



C, General RemarJcs on the Vegetation of India. 

 Indian Natm-al Orders and forms of vegetation . . .91 



•Total amount of species in India ...... 91 



V/Diffusion of species and relative abundance . . . . .92 



Fewness of local species . . 93 



Comparison of Flora with African ....... 93 



"</>/ a. Distribution as affected by Climate. 



Tropical zone, humid and arid types 94 



Humid forests, and drier ditto . . . . . 95 



Tropical annuals, and exti-atropical distribution of ditto . . 96 



Annuals of north temperate zone, and warm temperate forms . . 97 



— Plants of excessive western climate ... ... 98 



Himalayan and Khasian temperate zone ... .99 



— Alpine or Arctic zone . . . 100 



Rarity of Cryptogamice ... ..... 101 



b. Distribution as affected by Geographical Position. 

 Relation to geological change ...... . 102 



1 Australian type . ... ... 103 



2. Malayan Archipelago type . ... 104 



