124 THE JOURNAL OF INDIAN BOTANY. 



{•2) For edaphic forms the term varietas followed by the ordinary 

 ecological term such as ophytica halophytica, etc. 



(3) For life-period fc us varietas annua, biennia, etc. 



(4) For seasonal forms varietas hyemalis, aestivalis, etc. 



(5) For " lines " varietas Mendeliana followed by the letters of 

 the Greek alphabet. 



(6) For forms of inconstant species forma is the ultimate unit, 

 to be grouped about recognizable lines of evolution in various ways. 

 For this case it is not possible to suggest hard and fast rules. The 

 study of these inconstant species is a special one, for which the name 

 micro-systematics might be used. A good many European and 

 American genera have been studied in minute detail, and recently 

 Ammannia and Botala in India by Blatter and Hallberg in Journ. 

 Bom. Nat. Hist Soc 



G. For hybrids the usual multiplication sign. 



It will be argued that we do not know which variant forms are 

 to be assigned to which class in the above scheme. And this is true. 

 But temporary ignorance is no valid excuse for continuing to confuse 

 under one term phenomena which are not homologous. Gradually 

 the truth will emerge. 



