. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. Fig. 137d. grostis major). Scent glands of stink grass (Ere Fig. 137c. Spikelets of various grasses. 1. immon blue grass (.Poa pratensis). 2. Setaria luca. 3. Spikelet of blue-stem grass. 4. Bristly [-tail (Setaria verticillata). A great many grasses, because of their sharp edges on the leaf, inflict injuries by cutting the flesh. Of these we may mention the rice-cut-grass, (Leersia), and porcupine grass, (Sparfina cynosuroides). Hol
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. Fig. 137d. grostis major). Scent glands of stink grass (Ere Fig. 137c. Spikelets of various grasses. 1. immon blue grass (.Poa pratensis). 2. Setaria luca. 3. Spikelet of blue-stem grass. 4. Bristly [-tail (Setaria verticillata). A great many grasses, because of their sharp edges on the leaf, inflict injuries by cutting the flesh. Of these we may mention the rice-cut-grass, (Leersia), and porcupine grass, (Sparfina cynosuroides). Holy grass {Hierochloe odorata) is sweet scented and contains coumarin. Indians use it to weave in baskets, mats, etc. Job's Tears, Coix lachryma, is used for rosaries. KEY FOR GENERA OE GRAMINEAE Spikelets jointed upon the rachilla below the glumes, 1-2 flowered. Rachis bearded, spikelets spicate in pairs .2. Andropogon Rachis not bearded. Pedicels bristle bearing 4. Setaria Pedicels not bristle bearing. Spikelets enclosed by a bur 5. Cenchrus Spikelets plano-convex, not enclosed by a bur 3. Paspalum Spikelets in pistillate flowers, borne on a cob 1. Zea Spikelets not usually jointed above the persistent lower glumes. Spikelets 1-flowered. Awn simple twisted 7. Stipa Awn 3-pointed 6. Aristida Spikelets more than 1-flowered. Spikelets 2-several flowered, rachis often bearded, flowering glume with a twisted awn 8. Avena Spikelets 1 or more-flowered with a zigzag jointed rachis, channeled. Spikelets solitary at the 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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