1918.] The Fifth Indian Scvence Congress. elxi 
a particular locality is most suited, and thus facilitate afforesta- 
tion and extension of our forests by helping us to select the 
species most suitable to the locality. By revealing the import- 
ant characteristics of a habitat, also, grasses may indicate the 
method of treatment necessary to ensure the successful estab- 
lishment of a particular species. Thus in dry grassland of 
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supply which may in some cases be provided by first establish- 
ing on the area a thick growth of a shade-giving, humus- 
forming shrub like Adhatoda Vasica which is capable of thriv- 
ing in a xerophytic habitat. Jn addition to this, attention to 
the grass growth in existing forests may indicate to us the 
treatment necessary to secure the reproduction and permanence 
of the forest. An instructive example of this has recently 
trenches along the contours. It is interesting to note that a 
Similar parallelism has been recently recognized in the vegeta- 
tion of the British Isles with Quercus Robur woods and Lolium 
ynosurus grassland on clays and loam, Quercus seasilifiora 
Woods and Nardus-Deschampsia grassland on shallow siliceous 
