GLOSSARY 



Abdomen, the part of an insect behind the thorax. 



Acid, a sour substance that turns blue litmus paper red. 



Alkali, a caustic substance that turns red litmus paper blue. 



Annual, a plant that makes its growth, matures its seed, and dies within a 

 year. 



Anther, the little sac at the end of the stamen bearing the pollen. 



Available food, food that can be used by the plant. 



Bacteria, the simplest and smallest forms of plant life. They may be spher- 

 ical, elongated, or rodlike in form. 



Balanced ration, food consisting of the proper amounts of carbohyrates, fats, 

 and proteids. 



Biennial, a plant which matures its seed and dies the second year. 



Blight, a disease which causes all or a part of a plant to wither and die. 



Bluestone, copper sulphate. 



Bordeaux Mixture, a spray consisting of bluestone, lime, and water. 



Bud, a small branch in an undeveloped state. 



Budding Stick, a young shoot of one season's growth. 



Calyx, the flower's outer row of leaflike forms ; the outer envelope. 



Calcareous, containing lime. 



Cambium, the thin-walled formative tissue between the bark and the wood. 



Carbohydrates, foods free from nitrogen, as sugar, starch, and cellulose. 



Chlorophyll, a green granular substance found in the stems and leaves ol 

 plants. 



Cohesion, attraction between particles of the same substance. 



Compost, a fertilizing mixture. 



Concentrates, rich feeding materials such as grains and oil cake. 



Cross, the result of breeding two varieties of plants or animals together. 



Dormant, sleeping or inactive. 



Disintegration, crumbling to pieces. 



Element, a simple substance such as iron or silver. 



Ensilage, green feed preserved in an air-tight pit or silo. 



Entomology, the science which treats of the life and habits of insects. 



Evaporate, to pass off in the air in the form of vapor. 



Filter, to clarify a liquid by passing it through cloth, paper, sand, char- 

 coal, etc. 



Filter Paper, porous unsized paper used for filtering. 



Fungxide, a preparation which checks or kills fungi. 



Fungus, a flowerless plant lacking chlorophyll, as molds, and mushrooms. 



Germinate, to sprout. 



Germ, that from which any life springs. 



Glacier, a vast moving body of ice. 



Graft, a branch of one plant inserted in the stem of another plant so that it 

 will unite with it and grow. 



Green Manuring, growing crops plowed under for fertilizing purposes. 



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