. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 546 ERYNGIUM ERYSIMUM up in living-rooms. The plants mostly grow from 2-3 ft. high and head out in July and Sep. J. B. Keller ad- vises a light soil and sunny situation. £). amethifstinum is probably the favorite. Meehan says that lH. planian is much visited by bees. The weak point of Eryngiums is that they ar
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. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 546 ERYNGIUM ERYSIMUM up in living-rooms. The plants mostly grow from 2-3 ft. high and head out in July and Sep. J. B. Keller ad- vises a light soil and sunny situation. £). amethifstinum is probably the favorite. Meehan says that lH. planian is much visited by bees. The weak point of Eryngiums is that they are slow to recover from the shock of divi- sion. This makes it difficult to work up a stock at home sufficient to make an effective group. D. Dewar, in his garden monograph of the group, Gn. 46, p. 522, says that the only safe way to increase the Sea Hollies is by seed. " Sow tiie seed in pans as soon as gathered, and place in a coldframe. The seeds will germinate in the spring, and if properly managed will be ready to plant out the following year." It is said that many of the species are less showy and satisfactory here than in England, A. Jjus, divided into radiating segments, B. Bracts longer than the heads. c. Number of bracts 10-20. v>. Moot-li's. deeply notched at the base and merely toothed at the margin. 1. alpinum, Linn. Bracts 10-20, a little longer than the oblong heads. Alps. R.H. 1876, p. 113. B.M. 922. (Sn. 46:993. âThere is a white variety. DD. Root-lvs. less deeply notched at the base, elsewhere more dissected. 2. Oliveriiuum, Laroch. Bracts 10-12, more rigid and fewer-toothed than in JH. alpinum: heads ovate. Orient. Gn. 45, p. 223. CC. Number of bracts 6-9, D. Soot-lvs. deeply cut. 3. amethystinum, Linn. Fig. 776. Root-lvs. pinnatifid: bracts 7-8, few-toothed at the base, much longer than the globose heads. Eu. Gn. 46, p. 522, and 55, p. 454. J*J. ccelestinum, a trade name unknown to our botanies, is the same thing, according to J. B. Keller. DD