382 GLOSSARY. 



Frost-hardy. Said of trees, the new growth of which is not easily 

 killed by frost. 



Frost-tender. Said of trees, the new growth of which is easily 

 killed by frost. 



Fruit. The seed-containing area derived from a single flower. 



Fungi. Plural of fungus. 



Fungous. Pertaining to fungi. 



Fungus. A flowerless plant devoid of chlorophyll and drawing 

 its nourishment from living organisms or decayed organic 

 matter. 



Genera. Plural of genus. 



Generic name. The name of the genus to which the plant be- 

 longs, and which with the name of the species forms the 

 scientific name of the plant. 



Genus. In botanical classification, a group of plants having sev- 

 eral or many natural common resemblances; a division of 

 a family. 



Germination. The act or process by which a seed or spore gives 

 rise to a new and independent plant. 



Glabrous. Smooth, not pubescent. 



Glauber salts. Sodium sulphate. 



Glaucous. Covered with a fine white powder as that on a cab- 

 bage leaf. 



Graftage. A syste.m of propagation comprising all methods by 

 which plants are grown on roots of other plants. 



Grafting. The operation of inserting a cion in a plant. 



Grafting Wax. A protective substance used in covering the 

 junction of a graft with the stock, or for the covering of 

 wounds. Bailey's formula for a reliable wax: Resin, four 

 parts (by weight); beeswax, two parts; tallow, one part. 

 Melt together and pour into a pail of cold water. Then 

 grease the hands and pull the wax until it is nearly white. 



Hardy. Able to withstand a given climate. 



Heeling-in. The operation and process of temporarily covering 

 the roots of plants to preserve them until wanted for 

 permanent planting. (Page 96.) .'"' 



Height classes. The arrangement of trees into classes according 

 to height. 



Herb. A plant not woody. 



