AGRICULTURAL BOTANY 



135 



having thick, fleshy scales, or leaves, on an exceedingly 

 short stem, the thickened leaves furnishing nourishment 



Onion Garlic Wild Lfly 



FIG. 59. Typical Bulbs; B, Buds. Notice the Buds (Cloves) of Garlic. 



and protection. In the axils of the leaves are smaller 

 lateral buds. The onion is a good illustration of a bulb. 



Bulblets are very small 

 bulbs which appear in 

 the axils of the leaves 

 of some lilies and in the 

 flower clusters of the 

 leek and the 



onion. 



They do not develop 

 into branches, but fall 

 from the plant to the 

 ground and there form 

 new plants. 



Exogenous and En- 

 dogenous Stems. 

 Flowering plants are di- 

 vided according to the manner of growth of their stems 



FIG. 60. Section of an Exogenous Stem. 



