. Cyclopedia of farm crops, a popular survey of crops and crop-making methods in the United States and Canada;. Farm produce; Agriculture. GRASSES GRASSES 373. sativa, Linn. Oat. (Fig. 542.) An annual with nodding spikelets and many-nerved glumes, the awns of the persistent lem- mas straight or wanting. A common grain thought by many to have originated from the wild oat (A. fatua, Linn., Pig. 543), which differs in having a geniculate and twisted awn, and a deciduous lemma more or less covered with red-brown hairs. The wild oat is abundantly intro- duced on the Pacific coast. A variety (A. fat
. Cyclopedia of farm crops, a popular survey of crops and crop-making methods in the United States and Canada;. Farm produce; Agriculture. GRASSES GRASSES 373. sativa, Linn. Oat. (Fig. 542.) An annual with nodding spikelets and many-nerved glumes, the awns of the persistent lem- mas straight or wanting. A common grain thought by many to have originated from the wild oat (A. fatua, Linn., Pig. 543), which differs in having a geniculate and twisted awn, and a deciduous lemma more or less covered with red-brown hairs. The wild oat is abundantly intro- duced on the Pacific coast. A variety (A. fatua gla- brata, Peterm.) is cut for hay in Washington, and this and an allied species {A. barbata, Brot.) are used for pasturage in Cali- fornia. [See Oats.'] 22. Dactylis (Greek, finger). A genus of grasses com- prising one species or several closely allied species, native in the northern part of the Old World. Spikelets three- to five-flowered, in dense fasci- cles, these forming a glomerate panicle, spreading in flower but contracted in fruit. Glumes one- to three-nerved, the lemma five- nerved. glomerata, Linn. Orchard- grass. (Fig. 544.) Commonly cultivated in the northern states for forage and extensively es- caped in waste places. It is of considerable importance in Ken- tucky, southern Indiana, Ten- nessee, North Carolina, western Virginia, West Virginia and Maryland. 23. Cynosurus (Greek, dog's- tail). A genus of four or five species of grasses found in the north temperate regions of the Old World. Spikelets of two forms in small fascicles, these forming a dense, spike-like pan- icle ; terminal spikelets of the fascicles two- to four-flowered, perfect, the lower spikelet sterile, consisting of many linear one-nerved glumes. eristatus, Linn. Crested Dog's- tail. (Fig. 545.) A perennial grass, one to two feet high, with fine and chiefly radical leaves. Occasionally sown in grass mix- tures but without much forage value. 24. Poa (Greek, for fodder). A genus of about 125 sp
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