356 



LESSON'S WITS PLANTS 



growth of interior parts, as in the lily; but there 

 are some true bulbs which propagate in a similar 

 way. 



443a. Let the pupil examine the bulbs of the dog's-tooth violet 

 or "adder's-tongue," — which gladdens the. copses with its nodding 

 bell-like flowers in earliest spring, — for a, method of propagation 

 comparable with that of the house -leek. 



444. A head of cabbage is cut in two in Fig. 

 373. It is made up of overlapping and thick- 



FiG. 373, 

 Section of cabbage. 



ened leaves, and is really a gigantic bud. There 

 is this important difference between the cabbage 

 and a lUy bulb and house-leek rosette, however, 

 that the cabbage bud is not a means of propa- 

 gating the plant, and one head or bud does not 

 give rise directly to another. It is simply a store- 



