160 NATURE TEACHING. 



bags, tic a label near to the ripening fruit in 

 order that it may be identified. As before, 

 raise plants from the seeds, and compare them 

 with their parents, this time definitely known. 



5. Select plants such as the following, 

 which are. bearing flowers and young fruit. 

 Observe the form and position of the pistil in 

 a flower and then trace the changes in position, 

 form, and size which it undergoes during its 

 development into the fruit. Make drawings or 

 diagrams : Balsam, beans and peas of various 

 kinds, cacao, egg-plant, lilies, lime, mai/e, 

 mango, nutmeg, orange, sunflower, tomato, 

 zinnia, (lather and preserve, for future sowing, 

 seeds of various kinds as they ripen. 



DISPERSAL OF SEEDS. 



1. The practical work on this subject must, 

 in the main, consist of observations made out 

 of doors. Examine the weeds which come up 

 in the garden, and endeavour to find out how 

 they probably got there ; whether their seeds 

 are carried by the wind or by animals. 



2. Observe the ripe fruits of the following 

 plants, and notice and sketch the wings 

 or hairs of the seed or fruit in each case. 

 Mahogany, cedars (white and red), ' redhead ' 



