— 114 — 



attain a greater height than the others. At higher levels where 

 the surface is perfectly dry during summer except that it may 

 at times be flooded by the river, but where a water-supply 



IS 



B 



C0 ju 



g-3 



1= 



3: 



derived from the river is available at a slight depth, the poplars 

 often become large trees sometimes interspersed in the thickets, 

 sometimes forming forests. 



Antonow describes (1. c. p. 188) how in spring when the 



