Glossary. 



207 



Impregnation. The action of the pollen upon the pistil ; fertili- 

 zation : fecundation. 



Inarching. The process of grafting contiguous plants or 

 branches while the parts are both attached to their own roots. 

 When the parts unite, one is severed from its own support. 



Individual fertilization. Fertilization between flowers upon the 

 same plant. 



Inorganic. Pertaining to unorganized substances, as minerals. 



rocks, chemicals, etc. 

 Insect. An articulate animal which in the mature state has 



three distinct divisions and six legs. 

 Insecticide. A substance employed to destroy insects. 

 Kitchen-garden. An area devoted to the cultivation of •• vege- 

 tables," or annual plants which yield edible parts. 

 Kitchen-garden vegetable. An edible portion of an annual plant. 



A loose term, commonly shortened to vegetable. 

 Landscape-gardening. The art of embellishing grounds. It 



demands a high appreciation of natural scenery and an ability 



to represent it in grounds. 

 Landscape-horticulture. The operations and manual appliances 



employed in embellishing grounds ; the industrial phase of 



landscape-gardening. 

 Larva (pi., larvce). The worm-like stage of insects. A larva is 



commonly called a worm. 

 Lawn. An area of greensward used for ornamental purposes. 

 Layer. A shoot of a plant bent down and partly or wholly 



covered with earth with the intention that it shall take root, 



when it can be severed from and become independent of the 



parent plant. 



Layerage. The state or condition of being layered, or the opera- 

 tion or practice of layering plants. 



Legume. A simple pod composed of two valves or parts, as pea 

 and bean pods. 



Leguminous. Of or pertaining to legumes. Used to designate 



plants of the pea and bean family. 

 Maiden (adj.). Applied to young plants which have not borne. 

 Male. Used to designate flowers or plants which bear only 



stamens. 



Manure. 1. Any substance which promotes plant-growth. 2. 

 Plant-food. 



