. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 498 MANUAL OF POISONOUS PLANTS. Fig. 260a. Various insectivorous plants: 1, Sarracenia variolaris; 2, Darlingtonia cati- fornica; 3, Sarracenia laciniata; 4, bjepenthes villosa. insects and clings to them. The D. rotundifolia is commonly foimd in our northern bogs. The Drosophyllum lusilanicum is found on the sandy hills of Portugal. The Venus fly-trap (Dionaea muscipula) of the Carolinas grows on the sandy barrens and feeds on insec
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 498 MANUAL OF POISONOUS PLANTS. Fig. 260a. Various insectivorous plants: 1, Sarracenia variolaris; 2, Darlingtonia cati- fornica; 3, Sarracenia laciniata; 4, bjepenthes villosa. insects and clings to them. The D. rotundifolia is commonly foimd in our northern bogs. The Drosophyllum lusilanicum is found on the sandy hills of Portugal. The Venus fly-trap (Dionaea muscipula) of the Carolinas grows on the sandy barrens and feeds on insects. These plants are somewhat rare. Poisonous properties. According to Dr. Schaffner, the common sundew is poisonous to cattle. From one species of Drosera two pigments have been isolated, the red having the formula C^j^H^Og and the yellow, Cj^HjO^. Plants of the family in Australia are said to be poisonous to sheep. According to Greshoff the leaves of Drosera binata contain hydrocyanic acid. D. rotundifolia, and D. intermedia, were also found to contain a little HCN. The leaves of Dionaea muscipula contain the same substance. ROSALES Herbs, shrubs or trees; flowers usually polypetalous; stamens mostly peri- gynous or epigynous; sepals chiefly united or confluent with receptacle; carpels 1 or more, distinct or sometimes united into a compound ovary. The order in- cludes the families Podostemonaceae, Crassulaceae, Cephalotaceae, Saxifragaceae, Pittosporaceae, Hamamelidaceae, Platanaceae, Rosaceae, Connaraceae, Legu- minosae and other small families. The family Saxifragaceae includes the red currant (Ribes vulgare), black currant (R. nigrum), the Missouri currant,. 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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