2O 



HOW A PLANT GETS OUT OF THE SEED. 



growth you can easily see that it goes first in 

 one direction, then in another. Fig. 22. A 

 litde later several rootlets make their appear- 

 ance. In other cases several small rootlets 

 make their appearance close to where the 

 primary root first appeared. Near ths end 

 of the primary root and the rootlets, very 

 minute hairs can be made out; these are 

 called root-hairs. The tip of the root, as 

 in the bean does not contain these root hairs. 

 This root-cap serves as in the bean, to guide 

 the root in the soil. 



3. Ai-5'LE. The apple germinates much as 



Figure 22. 



Pea in process of grer- 

 . . mination. /> plumule, r 



the bean, but in this case the seeds require a radicle. 



long period of rest. The 

 seeds will not germinate im- 

 mediately when they are 

 taken out of the apple in the 

 fall. The teacher should put 

 a lot of apple ? tec's m a box 

 cover them with a little soil, 

 place the box where it will 

 not freeze or in a cellar. Dur- 

 ing the month of April these 

 seeds may be planted as were 

 the beans and peas. In the 

 course of a week the seeds 

 will germinate much as the 

 bean. The two seed-leaves 

 are pushed out of the soil and 

 expand. The root pushes 

 down into the soil. In a 

 short time successive leaves 

 are formed. 



4. SQUASH. The seeds 

 should be planted in a box 

 of earth. In the course of 

 tw r o days an examination 

 should be made of some of 

 the seeds. If the conditions 

 have been very favorable you 

 will observe that the seed is 



Figure 23. 



Germinating: pea after all the nourishment in 

 the seed has been used. '' leaf. '>'" tendril at 

 the end of leaf which enables the plant to climb. 



