GLOSSARY. 305 



Firefanged, (manure) burnt by excessive fermentation. See p. 69. 



Fixed Alkali, see Alkali. 



Flanders, a country situated partly in France and partly in the Neth- 

 erlands. 



Fleviings, inhabitants of Flanders. 



Flemish, relating to Flanders. 



Flemish harroio, a harrow with slanting teeth, used in Flanders. 



Floriculture, that branch of gardening, which has cognizance of flow- 

 ers, of ornamental shrubs, and forcing and exotic gardening, so far 

 as respects plants of ornament. 



Fluidity, a term applied to all liquid substances. Solids are convert- 

 ed into fluids, by combining with a certain portion of caloric. 



Foliage Grasses, plants cultivated for their leaves, to be used green, 

 as the cabbage, spinach, lettuce tribes, &c. 



Formation, an assemblage of rocks, which have some character in 

 common, whether of origin, age, or composition. 



Fossils, petrifactions ; animal or vegetable substances found under 

 ground, and which have been long buried by natural causes ; re- 

 mains of animals and vegetables found imbedded in rocks, and 

 which have been changed to stone. 



Foxtail, a species of grass, of the genus Alopecurus. 



Friability of soils, lightness ; looseness of texture ; permeableness. 



Fulcrum, the point of support on which a lever rests. 



Furrow, the long channel or trench made by the plough ; any long 

 trench or hollow. 



To Furrow, to cut in furrows ; to divide in long hollows or channels. 



Furrow Drains, see p. 97. 



Furroiv Draining, the practice of making furrow drains. 



Gallic acid, the acid found in gall-nuts. 



Gas, an elastic aerial fluid. 



Gaseous, in the form of gas, or partaking of the properties of gas. 



Gastric, relating to the stomach. 



Gastric juice, the fluid which dissolves the food in the stomach. 



Gathering, casting into ridges with the plough ; back furrowing. See 

 p. 135. 



Geine, or Humus, the product of organic matter, and the food of 

 plants. 



Gelatin, a chemical term for animal gelly. 



Genera, plural of genus. See Class. 



Generic, that which comprehends the genus, or distinguishes from an- 

 other genus. 



Genus, see Class. 



Geological, relating to geology, or to the rocks, and other substances, 

 of which the earth is composed. 



Geological formation, any assemblage of rocks, which have some 

 character in common, whether of origin, age, or composition. 



Geological surveys, surveys or explorations of the surface of a coun- 

 try, to ascertain the character of the rocks, and soils, &c. 



Geometrical, pertaining to geometry ; disposed according to geome 

 try ; according to the laws of geometry. 



Germ, a sprout or shoot ; the part which grows and spreads. 



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