554 GLOSSARY 



Germination-box. A box in which seeds are sprouted to deter- 

 mine the proportion of seeds able to grow. See p. 138. 

 Ginnery. The building, including the equipment, in which 



cotton is ginned. 

 Gloeos-porium manihol. The scientific name of the fungus causing 



the "Prenching" disease of cassava. 

 Glucose. A non-crystallizable form of sugar. 

 Gluten. See p. 39. 

 Gossypium. The scientific name of the genus that includes all 



kinds of wild and cultivated cotton plants. 

 Gossypium arboreuin. The scientific name of a group of cottons 



largely grown in India. 

 Gossypium barbadense. The scientific name indicating lirst the 



genus and next the species of Sea Island cotton. 

 Gossypivin hirsulum. The scientific name of the genus and 



species of American upland short staple and American long 



staple cotton. 

 Gossypium ohtusifolium. The scientifio name of one group of 



cottons grown largely in India. 

 Gossypium peruvianum. The scientific name of a species of 



cotton supposed to have originated in Peru and largely 



cultivated in Egj^pt. 

 Grain drills. Implements for sowing grain and other seed in 



narrow rows. 

 Grain moths. Several small moths, the larvae of which attack 



wheat, corn, and other grain. 

 Graminece. The botanical name of the grass family. 

 Granary. A place or bin for storing grain. 

 "Green-bug." A small plant-louse injuring grain plants. 

 Guano horn. A cheap metal tube with a funnel at the upper end, 



used in the application of fertilizer by hand. 



Head rice. Prepared rice of the highest grade. 



Heaving. Lifting of plants and soil as the result of freezing of 



the soil. 

 Heliothis obsoleta. The scientific name of the corn ear-worm and 



cotton boll-worm. 

 Hessian fly. See p. 62. 

 Hopper-dozers. Devices to be pulled through fields for catching 



grasshoppers. An essential feature is a vertical cloth, which 



the flying grasshoppers strike and thence fall into a large 



pan containing kerosene, which kills them. 

 Hulls, oat. The part of the oat grain which tightly enfolds the 



kernel. 

 Humus. Partly decayed vegetable or animal matter in the 



soil. 



