94 OBSEKVATIONS ON ASIAIK' COTTONS. 



than with Southern India, from whicli it is separated by no 

 marked geographical feature, and where the limiting factor to 

 cotton growth is one of moisture. It appeared, therefore, a 

 matter of some interest to compare the cottons of Northern 

 India with those grown to the East and to the West, and in 

 consequence an attempt was made to grow as representative a 

 collection of cottons from these regions as could be obtained. 



Through the courtesy of Col. Prain, f.ks , Director, Royal 

 Botanic Gardens, Kew, seed was received from countries extend- 

 ing from Persia on the West to China on the East, and this 

 was grown during the seasons of 1910-1911. To Col. Prain 

 as well as to the various Consuls in Persia, too numerous to 

 mention individually, to the Siani Department of Agriculture 

 and to the Superintendent, Botanical and Forestry Department, 

 Hong-Kong, from whom tlie numerous samples of seed have been 

 received, tho writers desire to recoid iheir indeljtedne.ss. 



