. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. PRIMULACEAE — PRIMULA 677. Fig. 388. Persian Cyclamen (^Cyclafnen). Frequently cultivated in greenhouses. (From American Agriculturist.) Poisonous properties. This plant is especially common on the Pacific Coast, where it is well known as "Poison weed," and according to Prof. Chesnut, is suspected of having caused the death of a horse at Santa Ana. It contains the glucoside cyclamin C^jH^^Oia' ^"^ ^ saponin-like substa
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. PRIMULACEAE — PRIMULA 677. Fig. 388. Persian Cyclamen (^Cyclafnen). Frequently cultivated in greenhouses. (From American Agriculturist.) Poisonous properties. This plant is especially common on the Pacific Coast, where it is well known as "Poison weed," and according to Prof. Chesnut, is suspected of having caused the death of a horse at Santa Ana. It contains the glucoside cyclamin C^jH^^Oia' ^"^ ^ saponin-like substance, also a pepsin-like ferment. According to Hyams, the fluid extract in 4 draehm doses is fatal to dogs. Primula, L- Perennial scapose herbs, producing a tuft of basal leaves; flowers dimor phous, umbellate, or in bracted racemose whorls; calyx tubular, angled, S-cleft, persistent; corolla funnelform or salverform; tube longer than the calyx; stamens S, included; capsule many-seeded, splitting at the top into 5 or 10 valves. About ISO species, mostly in the northern hemisphere. This species is rather rare in eastern North America, but one species, (P. Parryi), is abundant in higher altitudes of the Rocky Mountains, and is suspected of being poisonous. Primula obconica. Hance. Primrose Leaves all radical and ovate-cordate; slender scapes 6-12 inches long; flow- ers blush-lilac or purple, frequently drooping; calyx saucer-shaped and shallow; petals deeply notched, obconical. Distribution. Native to China, but frequently cultivated in 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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