American Grasses; Illustrated Volume 3 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1900 edition. Excerpt: ...these digitate at the apex of the culm; rachilla articulated above the empty glumes and between the florets. Glumes compressed laterally, keeled, the first 2 empty, the 2d awn.pointed; flowering glumes boat.shaped, mucronate.pointed. Fruit a utricle, the thin pericarp loosely inclosing the wrinkled, globular seed. Annual, with amore or less decumbent and creeping base and 2 to 6 terminal stout. spikes, the rhachis projecting beyond the spikelets. Species 2, one a weed in all the warmer countries of the world. FIG. 84. Leptoehloa mucronata (1Iiehx.) Kunth. FEATHER.GRASS.--a, The empty outer glumes of a spikelet; b, a spikelet with the outer glumes removed. Figures 211 to 218 in Bul. 7 illustrate other species of the genus. 84. LEPTOCHLOA Beauv. Agrost. 71, t. 15, _f. 7. 1812. Spikelets 2. to severalflowered, sessile, in 2 rows along one side of the slender and often numerous branches of a simple panicle; rhachilla articulated above the empty glumes. Empty glumes 2.keeled, awnless or very short.awned; flowering glumes keeled, 3.nerved, acute, awnless or very short.awned, or 2. to 3.toothed, mueronate or short.awned between the teeth. Palea 2.keeled. Usually tall annuals, with flat leaves and elongated simple panicles made up of the numerous and more or less spreading slender spikes scattered along the main axis. Species about 20, in the warmer countries of both hemispheres. In the United States the species are mostly southwestern. 85. BULBILIS Raf. Am. Month. Mag. 4: 190. 1819. (Buchloe Engelmann, 1859.) Staminate spikelets 2. to 3.flowered, sessile, in 2 rows along the short onesided spikes. Empty glumes obtuse, unequal; flowering glumes larger, 3.nerved. Palea a little shorter than its glume, 2.nerved. Stamens 3. Pistils none....