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PBOTECTION AGAINST PLANTS. 



PLANTS injurious to forests are either weeds that cover the 

 soil, or climbers and parasitic phanerogams or fungi, which 

 attack trees and forest plants. The following sections will 

 contain an account of these dangerous enemies of the forest.* 



* Books for reference on forest botany are : Dbbner, Dr. E. Ph., " Lehrbuch 

 tier Botanik fiir Forstmanner." Berlin, 1882. Schwartz, Dr. F., " Forstliche 

 Botanik." Berlin, 1892. Thaer, Dr. A., " Die landwirthschaftlichen Unkiauter." 

 Berlin, 1893. Capital illustrations and directions how to exterminate weeds. 

 The systematic names of the weeds are taken from Bentham and Hooker's 

 " British Flora," 5th edition, 1887. 



F.P. C C 



