TRANSACTIONS 



BOTANICAL SOCIETY. 



VOLUME XVIII. 



LKIKARr 



NEW Yiy'^K 

 IJOTAMICAL 



DUPLICATA DE LA BIBLIOTHEQTTB f- ^^ ^^ ^ 



COIsSEKVATCirE BOTANIQUE DE — " ' . • j,> 



EDINBURGH : 

 PRINTED FOR THE BOTANICAL SOCIETY, 



MDCCCXCI. 



