EAKT* 



SCIENC& 

 LIBRARY 



" THE number of species described by authors who cannot determine their 

 affinities increases annually, and I regard the naturalist who puts a described 

 plant into its proper position in regard to its allies as rendering a greater 

 service to science than its describer when he either puts it into a wrong place 

 or throws it into any of those chaotic heaps, miscalled genera, with which 

 systematic works still abound." Sir Joseph Hooker, Flora Brit. Ind., i, vii. 



