This section is from the book "Cooking Vegetables. Practical American Cookery", by Jules Arthur Harder. Also available from Amazon: The Physiology Of Taste.
Rocambole. Rocambole.
No. 1332. Rocambole is a half-hardy perennial plant, and is a native of Denmark. They partake of the character of the shallot and garlic, and should always be dipped in boiling water for a jew minutes before using, as they have a bitter taste. They are used in the same manner as shallots or garlic.
No. 1333. - It is propagated by planting either the underground bulbs or the small cloves or bulbs that are produced upon the stem of the plant. Plant them in April, five inches apart, in drills that are ten inches apart. They will attain their full size in August, and may then be used for cooking, or may be spread out to dry, then tied in bunches and kept in a dry place for future use.
 
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