Archive image from page 172 of Cyclopedia of farm crops . Cyclopedia of farm crops : a popular survey of crops and crop-making methods in the United States and Canada cyclopediaoffarm00bailuoft Year: 1922, c1907 Fig. 218. Timothy. Fig. 219. Orchard-grass. are faintly greenish yellow, becoming reddish brown in age. Red clover seed (Fig. 212) is distinguished by its lighter yellow or violet colors, its triangular form, broad scar notch and the absence of a pro- jection at the scar. Alfalfa seed (Fig. 215) is dis- tinguished by its more angular, oblong or kidney form, only the latter having a p
Archive image from page 172 of Cyclopedia of farm crops . Cyclopedia of farm crops : a popular survey of crops and crop-making methods in the United States and Canada cyclopediaoffarm00bailuoft Year: 1922, c1907 Fig. 218. Timothy. Fig. 219. Orchard-grass. are faintly greenish yellow, becoming reddish brown in age. Red clover seed (Fig. 212) is distinguished by its lighter yellow or violet colors, its triangular form, broad scar notch and the absence of a pro- jection at the scar. Alfalfa seed (Fig. 215) is dis- tinguished by its more angular, oblong or kidney form, only the latter having a projection beside the nearly central scar. The contrast in form is even more pronounced in alsike and crimson clover seeds. (Figs. 213, 214.) Bur-CLOVER (Mcdicago Arabica, aa ; Medicago denticulata, b). Fig. 217. These kinds are used as an adulterant of alfalfa seed. Medicago Arabica seeds are mostly kidney-shaped, the scar being nearer one end than in alfalfa, a distinct projec- tion beside it. Fresh seeds are light yellow. The large seeds are larger than alfalfa seeds and are readily distinguished from them, the smaller being distinguished only with difficulty. Medicago dentic- ulata seeds are mostly larger than alfalfa seeds, oblong-kidney-shaped, the scar notch prominent near the center and the projection slight or want- ing. Most of these seeds are distinguishable from the others. They are commonly darker than the seeds of Medicago Arabica. Timothy {Phleum pratense). Fig. 218. This seed has a characteristic appearance and is readily rec- Fig. 220. Meadow fescue. Fig. 221. Red-top. ognized. It is not subject to adulteration, but is often an impurity of alsike seed, sometimes of red clover seed. The seed may either bear the hull (a a) or be free from it (b b). The presence of the hull gives fresh, well-cured seed a bright, silvery white appearance. The dull, oval seeds free from the hull are darker. Orchard - grass (Dactylis glomerata). Fig. 219. This seed appears mostly i
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