104 



OBJECT LESSONS IN BOTANY 



state, but dissolved in water, and con- 

 sists of certain earths, alkalies, and 

 gases. (See Part II., Chap. 7, Class 

 Book of Botany.) 



218. It is the nature of the root to 

 divide itself into branches, and the only 

 organs which properly belong to it are 

 branches, fibres, and fibrils. It puts 

 forth no buds nor leaves unless the 

 plant be in some unnatural state. 



219. The roots of woody x'ants, es- 

 pecially, are hvanching roots. Year 

 after year they multiply and extend in 

 branches and branchlets beneath the 



Fig. 832 Branching root 

 of a young tree. 



A tuberous root (Erigenia). Fig. 834. Fibrous roots (Buttercups). 

 Fig. 335. Branching root (White Clover), with tubercles. 



