GLOSSARY 553 



Einkorn. The German word for "one grain" ; the name of one 



kind of wheat. 

 Elementary species. Groups of similar plants ; often subdivisions 



of what has generally been assumed to be one variety. 

 Embryo. The germ of the seed or grain. 

 Embryo-sac. A part of the ovary which incloses the female 



germ ceU. 

 Emmer. A kind of wheat. See p. 40. 

 Endosperm. The part of the grain or seed around the germ. 

 Entomologists. Persons skilled in the knowledge of insects. 

 Environment (of plants). Surrounding conditions, for example, 



soil, rainfall, fertilizer, distance between plants. 



Fertilization of corn grain. The act or fact of union of the male 



and female elements ; the usual result of poUination. 

 Fibrous-rooted. Having numerous fine roots without a tap-root. 

 Firing. The premature drjring of leaves on growing plants. 

 "Flaxseed." The name given to the pupal stage of the Hessian 



. fly. 



Floats. See raw phosphate. 



Floret. A flower. 



Flush plowing, or flushing. Plowing land without forming 



ridges or deep depressions; "broadcast" plowing. 

 "Fodder." A term often apphed in the South to corn blades or 



leaves. See p. 99. 

 Forage. Coarse food for live-stock ; forage plants are those that 



afford pasturage, hay, etc. 

 Forceps. Pincers. 

 Formalin. A liquid consisting of water in which has been 



dissolved a pungent disinfecting gas, formaldehyde. This 



Uquid readily evaporates, and the fumes destroy germs. 

 Friable. Easily crumbled. 

 Fruit limbs or branches. On the cotton plant those branches 



on which boll stems are directly borne. See p. 250. 

 Fungous. The adjective derived from fungus. 

 Fting'us, plural fttn'gi. A class of vegetable organisms having no 



green coloring matter, and including the rusts, smuts, and 



most other plant diseases. 

 Fusarium. The name of a class of fungi, some of which cause 



a part of the rotting of corn ears. 



Galechia cerealella. See grain moths. 



Galled spots. Areas of soU which have been impoverished by 



the washing away of the surface soil. 

 Garlic, wild. A smaU onion growing wild ; a troublesome weed. 

 Genus. A group of closely related species of plants. 

 Germination. The act of sprouting, as with seeds. 



