THE SCHOOL GARDEN 91 



22. Cuttings in water. 



23. Food does not travel down the stem if the 

 cambium layer is injured. 



24. Corms and bulbs. 



Fruits. 



49. Development of fruit from flowers. 



Seeds. 



58. How the store of food for the embryo is used. 



59. Number of seed leaves. 



Flowers and Seeds. 



64 b. Flowers not pollinated do not produce fruit. 

 64 c. Effect of removing stamens. 



Seeds and Seedlings. 

 76 b. Position of seed coats. 

 76 c. Modified cotyledons. 



How Plants are reared. 



82. Sowing of large seeds. 



83. Sowing of small seeds. 



86. Propagation by tubers. 



87. Propagation by bulbs. 



88. Cuttings in soil. 



89. Cuttings in water. 



90. Layering a rose. 



91. Plants that will not grow from cuttings. 



92. Budding. 



93. Approach grafting. 



How Soils are formed. 



98. Animals play an important part in making and 

 improving soil. 



Kinds of Soil. 



101. Sand, clay, and vegetable matter in soils. 



102. Lime in soils. 



