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Published in conjunction with the North American Rock Garden Society, this volume of 11 contributed essays balancing field botany and practical horticulture describes some four dozen bulbous North American genera of popular species of rock garden plants. They tour native plants in the NW, SW, and Eastern US from the many Allium species to Zigadenus elegans , including recently discovered species. Includes 101 color plates, the USDA plant hardiness zone map, and sources of bulbs and seeds. Annotation c. Book News, Inc., Portland, OR (booknews.com)