34 



GEOGRAPHICAL DISTRIBUTION 



The Bootan-Miri tract comprises what remains of the 



Emod 



or Himalayan 



divisi 

 know 



to the east of the Chumbi Valley. Of its Alpine Flora nothing 



proper 



From the outer 



■g 



common to every 



the Indo-Chinese division there are 



of Bootan one species has been received; this species 

 district from Afghanistan to Yunnan. 



half as many districts as there 



(P. gracilis) 



Within 

 are in the Emodic division, and these districts, instead of forming a continuous series 



north and 



running from 



est to east, lie more or less parallel to each other 



run 



south 



It 



to be expected from this arrangement that the 



of these districts will prove 



much 



nd therefore more trop 



portio 



northern portion of each 

 cher in species of Pedicular is than the southern 



as yet unfortunately impossible 



and although it 



to compare them with each other as to the fulfilment of this expectation, since of the 



western and central districts only th 

 the eastern district oi 

 division as a whole is 



thern portions are at all known, and of 



Th 



Irrawaday. 

 Himalaya on 

 and passing 



the northern part has been explored, the evidence from the 

 accordance with it. 

 district of the Assam-Burma uplands lies between the rivers Brahmaputra and 



It is organic! 

 the one hand, and on the other with the succeeding Indo-Chinese district 



south-west diverg 



,lly connected at its north 



extremity with the Eastern 



near the junction of its 



thern and middle thirds 



into two unequal branches, the shorter of which passes west, parallel to the Easte 



Himalaya, to end in a cul-de 



at the Khasia Hills, and the 



j 



long 



passes south to 



end in a similar cul-de-sac in the Yomadoung mountains of Arakan. This district has 

 so far yielded 8 species, of which 2 are endemic, 4 extend westward to the true 

 Himala) 7 a, 



and 3 eastward to the other Indo-Ch 



district 



Table XIII. — Table of distribution for the Assam-Burma uplands. 



1. p. 



carnosa 



2. 



corymbosa ... 



3. 



curvipes 



4. 



flagellaris ... 



5. 



i ragilis 



6. 



7. 



8. 



gracilis 



rex 



. t * 



Species. 



Endemic 



Extending to 

 Himalaya Proper. 



• • • 



• • « 



• ft 



• # • 



• • • 



• • • 



• - • 



• • t 



• ■ « 



• « * 



• % % 



* • • 



l 



• • • 



* • • 



• • • 



sp. nondura complete lecta 



• + • 



• • • 



1 



Totals 



• • • 



2 



Percentage 



♦ • • 



25 



1 



. • t 



1 



1 



1 





4 



50-0 



Extending to 



other Indo-Chinese 



districts. 



- • • 



l 



• • • 



l 



l 



• • • 



The Shan plateau district lies between the Irrawaday and the Mekong rivers, is 

 organically connected on the north with the two adjacent Indo-Chinese districts, and 

 passes on the south into the Malay Peninsula : it has been so far very little investigated. 



