. Cyclopedia of farm crops. Farm produce; Agriculture. Fig. 562. Rye (Secale ccreale).. Fig. 563. Wheat (Triti- cum sativu7n). Vasey). The seed of the latter is now a commercial article. repens, Beau v. Quack-grass. (Figs. 159, 564.) A perennial with a creeping, several-jointed root- stock. Culms may reach four feet in height. Leaves numerous and linear; spikes six to twelve inches long, erect; spikelets on opposite sides of a jointed and grooved rachis, erect, four- to eight-flowered. Glumes acute or short-awned; lemmas smooth ; palea acute or slightly rounded. Also called couch-grass, twitch
. Cyclopedia of farm crops. Farm produce; Agriculture. Fig. 562. Rye (Secale ccreale).. Fig. 563. Wheat (Triti- cum sativu7n). Vasey). The seed of the latter is now a commercial article. repens, Beau v. Quack-grass. (Figs. 159, 564.) A perennial with a creeping, several-jointed root- stock. Culms may reach four feet in height. Leaves numerous and linear; spikes six to twelve inches long, erect; spikelets on opposite sides of a jointed and grooved rachis, erect, four- to eight-flowered. Glumes acute or short-awned; lemmas smooth ; palea acute or slightly rounded. Also called couch-grass, twitch- grass and quitch-grass. 31. Hordeum (Latin name for barley). A genus of about species of grasses in both hemi- spheres. Spikelets one-flowered, two to three together at each joint of the articulated rachis, forming a dense terminal spike. Glumes two, nar- row or bristle form. vulgare, Linn, (or H. sativum, Jess.). Barley. (Figs. 287, 565.) A well-known cereal cultivated in all cool climates. There are normally three spikelets in a group at each node, each with its pair of awn- like glumes ; each lemma also long-awned. If all three spikelets are developed and form grains, six- or four-rowed barley is produced, according as the lateral spikelets on each side form two distinct rows or are coalesced into one. In two-rowed barley the lateral spikelets are staminate and do not form grains. The grain in most varieties adheres to the lemma in threshing, but in the naked barleys it falls out. Beardless barley is a form in which the awns are short and much distorted. [See Barley. Authorities differ in practice as to use of the two specific names; either is allowable.] Literature. The following is a list of the more important recent works treating wholly or in part of North American In addition, there are numerous local floras, monographs and technical articles in botanical journals that are not readily to the general reader. Manuals and general works : He
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