DESCRIPTION OF THE PLATES; 



PLATE IV. 



ROOTS. 

 Vide Part III. Chap, it p. 415. 



'ig- 



1. A Scaly Bulb, as in the White Lily. 



2. A Solid Bulb, as in the Crocus. 



3. Transverse section of a Coated Bulb. 



4. A Tuberous and Pendulous Root, as in Piony. 

 $. A Branched Root. 



6. A Simple tapering Root, as in the Carrot. 



7. A Creeping RooL 



