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 plants, es- 
pecially, are branching roots. Year 
after year they multiply and extend in 
branches xe branchlets beneath the ae ot ms 
lq. 883. A tuberous root (Erigenia), Fig. 884. Fibrous roots (Buttercnps), 
fig. 335, Branching root (White Clover), with tubercles, : 
