5*0 Jc/- 



Pa*4 7. published August 19, 1913. 

 Par* 77. published December 11, 19135 

 Par* 777. published April 21, 1914. 



printcD for tbe IRogal Horticultural Society 



BY 



SPOTTISWOODE & CO. LTD., LONDON, COLCHESTER AND ETON 



