. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 340 MANUAL OF POISONOUS PLANTS Flowering glumes with the backs turned to the rachis 1 10. Lo'Umn Flowering glumes with their sides turned to the rachis 11. Agropyron Spikelets 2-6 at each joint of the rachis 12. Hordeum Rachis not channeled 9. Bromus I. Fig. 138. Spikelets of tall-meadow-catgrass (,Arrhenatherum elatius). 1 & 2. Sta- mens. 3. The lower flower with protruding styles; upper flower with protruding stamens. The lower
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 340 MANUAL OF POISONOUS PLANTS Flowering glumes with the backs turned to the rachis 1 10. Lo'Umn Flowering glumes with their sides turned to the rachis 11. Agropyron Spikelets 2-6 at each joint of the rachis 12. Hordeum Rachis not channeled 9. Bromus I. Fig. 138. Spikelets of tall-meadow-catgrass (,Arrhenatherum elatius). 1 & 2. Sta- mens. 3. The lower flower with protruding styles; upper flower with protruding stamens. The lower scales are called sterile glumes. Kach flower consists of a palet and flowering glume, stamens and pistil. 1. Zea. Mays. L. Spikelets unisexual, monoecious; the staminate 2-flowered, in pairs, one sessile, the other pedicellate, arranged in terminal branches of a terminal pan- icle; the pistillate 1-flowered, sessile crowded in several rows, along the much thickened continuous axis arising from the lower leaf-axil and closely en- veloped by numerous large foliaceous bracts; glimies 4, awnless; those of the staminate spikelet acute; those of the pistillate very broad and obtuse or emarginate; grain hard, only partially enclosed by the fruiting glumes. This well-known, tall, and striking annual grass has erect stems and broad leaves;. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Pammel, L. H. (Louis Hermann), 1862-1931. Cedar Rapids, Ia. , The Torch Press
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