126 



THE VEGETATIVE ORGANS 



the roots like, and where do they originate ? Do these 

 agree with the roots we found on seedling plants of the 

 Wheat and Maize (p. 32) ? 



An examination of the underground parts of these 

 plants convinces us that, (1) stems bearing leaves (scale- 



Fig. 79. Rhizome of Lily of the Valley. (1) b, end bud 

 emerging from the soil ; /, withered leaf-bases ; sc, scale-leaf. 

 (2) section of bud : a, leaf-bases ; b, axillary bud which continues 

 growth. 



leaves) with buds in their axils occur underground ; (2) 

 such plants may have not only underground stems but 

 aerial stems also ; (3) the latter are in reality branches 

 of the former ; and (4) the fibrous roots spring from the 

 stem (often from the nodes) and are therefore adventitious. 



