GLOSSARY. 285 



2. The action of the pollen of one species upon the pistil 



of another species. 

 Hy 'bridizing or hyb'ridizing. The operation or practice of 



crossing species. 

 Impregnation. The action of the pollen upon the pistil ; 



fertilization ; 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 



"vegetables," 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 in 



such manner that they shall have nature-like or landscape 



effects. It demands a high appreciation of natural scenery, 



and an ability to represent it in grounds. 

 Landscape-horticulture. The operations and manual appli- 

 ances 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 



operation or practice of layering plants. 



