156 NATURE-STUDY REVIEW [11:3— Mar., 1915 



V. The Electric Door-bell ; construction, batteries. 



Problem — 



How does the electric bell work? 



Spring 



I. Making the Yard Attractive. 



1. Shrubs and vines; selection of kinds; kinds to attract birds; 



arrangement; method of planting. 



2. Flower garden; location; planning; selection of flowers for har- 



mony of colors; physical explanation of color, the spectrum 

 and rainbow; Preparation of soil ; planting seeds; subsequent 

 care. 



A. Annuals; plant seeds. 



B. Perennials. Plant seeds or set out roots. 



C. Bulbs — study flowers. 



(While in the fall the chief thought was the study of the plants 

 themselves, in the spring the chief thought is the planting of 

 the seeds and plants.) 



Problems — - 



What shrubs and vines are best adapted to this climate? 



How should shrubs be arranged to secure the most artistic effects? 



What points should be taken into account in planning a flower 



garden? 

 What is the physical explanation of the difference in color of flowers? 

 How do annuals and perennials differ in the care needed to raise 



them? 

 What decorative value have the flowers of the bulbous plants? 



II. Making the Yard Useful. 



i. The vegetable garden. Financial returns; plan, selection of varie- 

 ties, preparation of soils, tools, hotbed and coldframe, planting ; 

 care. 



Problems — 

 What financial returns may be expected from a small vegetable or 



fruit garden? 

 What considerations that apply to the planting and care of the flower 



garden apply also to the vegetable garden? 

 To what extent is the consideration of varieties important? 

 What advantages has the wheel hoe? 

 How may early vegetables be raised? 

 What is the difference between the hotbed and coldframe? 



2. The fruit garden. Classification of fruits, propagation, comparison 

 with vegetable garden ; dwarf fruits. 

 Strawberries; varieties, fall bearing, methods of planting, care the 



first, second and third seasons; financial returns. 

 Grapes; raspberries and other bush fruits. 



