. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 356 MANUAL OF POISONOUS PLANTS larger; empty glumes subulate-pointed, 12 to 18 lines long, slightly unequal; flowering glume 8 to 10 lines long, including the barbed and very sharp-pointed stipe or callus, sparsely pubescent below and crowned with a few short hairs;. Fig. 147. Needle or Porcupine grass (Stipa spartea). a, a single spikelet; b, floret more highly magnified, with sharp pointed bearded callus. (Div. Agros. U. S. Dept. A
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 356 MANUAL OF POISONOUS PLANTS larger; empty glumes subulate-pointed, 12 to 18 lines long, slightly unequal; flowering glume 8 to 10 lines long, including the barbed and very sharp-pointed stipe or callus, sparsely pubescent below and crowned with a few short hairs;. Fig. 147. Needle or Porcupine grass (Stipa spartea). a, a single spikelet; b, floret more highly magnified, with sharp pointed bearded callus. (Div. Agros. U. S. Dept. Agrl.). palea nearly as long as the glume; awn stout, 3 to 6 inches long, twisted below and twice geniculate above. June to August. Common on dry, gravelly roads and high prairies. Distribution. North America. From Wisconsin, Illinois to Missouri, Kan- sas, Nebraska, Dakotas and Minnesota to New Mexico, Manitoba to British Columbia. Injurious properties. Dr. M. Stalker says the fruits of the porcupine grass are a frequent source of inconvenience and injury to living animals. In many of the northwestern counties of Iowa this grass grows in the greatest profusion, and during the latter part of June, the season for maturing and consequent falling of these spines, they are the occasion of much annoyance and in some instances the death of domestic animals. Only such animals as are covered with wool or a. 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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