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Propagation is chiefly by seeds, which germinate slowly, or by careful division in early spring. Many kinds are likely to die if divided or transplanted, as they are mycorrhizal plants, much dependent on a semi- parasitic organism, which is better left undisturbed.
Propagation is chiefly by seeds, which germinate slowly, or by careful division in early spring. Many kinds are likely to die if divided or transplanted, as they are mycorrhizal plants, much dependent on a semi- parasitic organism, which is better left undisturbed.
A. racemosus, Pursh. Zigzag, erect st.: lfts. 17-21: fls. yellowish in loose racemes. July. Plains of Cent. U. S.—A. Robbiniii, Oakes. Erect and glabrous: lfts. 9-25: fls. in loose racemes, white or purple: pods 1-celled, flattened. Suitable for rocky places. June, July. N. E. U. S.—A. Shortianus, Nutt. Silvery canescent: lfts. 9-15: fls. blue or violet: pods sessile, 1-celled, strongly curved upward. May, June. Plains of Cent. U. S.
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