JCWA ACADEMT OF SCIENCE. 



Plate IV. 



The rocts of three types of cl-'vers: a. Melilotns alba, the Ijiennial ; li. the 

 •medium reel clover (Trifoliinn i>r(itense) : c. the annual white sweet clover 

 iMelilotuii alhd Desr. \ar. (inniia H. S. Coe). From a photograpli. 



