HOLE : SOME INDIAN GRASSES AND THEIR CECOLOGY. 



115 



CHAPTER II. 



(ii) Summary of Chief Characteristics of Species dealt with. 



97. Before proceeding to the next chapter in 

 which a few suggestions are made regarding the practical treatment of grasslands, it is 

 perhaps advisable to briefly summarise the principal characteristics of the species described 

 above. 



This is done in the following table in which the species are arranged in order accord- 

 ing to their relative (1) capacity for growing vigorously in a dry soil, (2) capacity for en- 

 during shade, (3) capacity for enduring bad soil-aeration and (4) capacity for withstanding 

 the injurious effect of an early fire in December — February. The species with the greatest 

 capacity for thriving in a dry soil, and for enduring shade, bad soil-aeration and fire, res- 

 pectively, has been in each case placed first. Species joined by a bracket are believed to have 

 an approximately equal capacity. With regard to the capacity for thriving in a dry soil, 

 also, the duration of the culm is of interest ; this has therefore been noted and it will be seen 

 that the species able to grow well in dry soil usually have annual culms : — 



Capacity for thriving in a 



Duration of 



Capacity for enduring 



Capacity for enduring had 



Capacity for resisting injurious 



dry soil. 



Culm. 



'Shade. 



Soil-Aeration. 



action of an early Fire. 



C Andropogon monticola. 



'1 



r Saccharum Narenga. 



C Imperata arundinacea. 



f Aristida eyanantha. 



(. Aristida eyanantha. 





(, Erianthus Ravenna?. 



(. Saccharum spontaneurn. 



\ Triraphis madagascariensis. 



(■ Saccliarum spontaneurn. 



J- Annual. 



f Imperata arundinacea. 



C Erianthus Ravenna?. 



1 



^Andropogon monticola. 



( Triraphis uiadagascariensis. 





1 Triraphis madagasca- 

 (. riensis. 



(. Triraphis madagascariensis. 



C Erianthus Ravennae. 



f Imperata arundinacea. 

 | 



J 



f Saccharum Munja. 



Saccharum Narenga. 



1 Saccharum Narenga. 



-{ Saccharum Muni a. 



1 





f Sachharum Munia. 



Imperata arundinacea. 



| 



1 



| Saccharum spontaneurn. 



1 



1 



(Saccharum Narenga. ( [-Biennial. 



\ 



■{ Andropogon monticola. 



^Saccliarum spontaneurn. 





1 



I Andropogon monticola. 



1 





Erianthus Ravennae. 



J 



I^Aristida eyanantha. 



(^Aristida eyanantha. 



Saccharum Munja. 



The above table summarises the information obtained from careful field observations 

 in the locality defined in Chapter I above, supplemented by the results obtained from the 

 limited experimental cultures which alone have been possible up to date. It is therefore 

 to be expected that instrumental field observations and extended and careful experiments 

 designed in such a way as to give accurate information regarding the effect of 

 each individual factor on the growth of the different species will to some extent modify the 

 conclusions summarised above. On the whole, however, it is believed that the conclusions 

 drawn are fairly accurate and that they will be of utility. It is believed that the observa- 

 tions which have been made regarding each species embrace the principal classes of habitat 



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