ERRATA 



At page 4, read currente for currento. 



At page 7, twelfth line from top, read variifolium. 



At page 13, third line from bottom, read graminifolii. 



At page 21, sixth line from bottom, read odoratus. 



At page 30, fifteenth line from top. read Durham for Mivrray. 



At page 63, read Onopordum Acanthium. 



