AN EXPLANATION OF THE ABBREVIATIONS 

 USED IN THE BOTANICAL CHARTS. 



Seven principal references are made with a Capital Letter, to 

 J)e looked, for below each Illustration ; and the subordinate 

 parts are then noted by small letters. A reference within a O 

 implies not magnified ; C on the left indicates a Longitudi- 

 nal Section, and <~^ above, a Transverse. 



