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Science  10 Apr 1998:
Vol. 280, Issue 5361, pp. 171
DOI: 10.1126/science.280.5361.171d

Flower power. More than a century ago, German botanist Hermann A. Köhler compiled a set of medicinal plant drawings so detailed and accurate that many plant scientists still rely on them today. Some 270 of these chromolithographs from Köhler's 1887 Medizinal-Pflanzen are on display at the Missouri Botanical Garden's Web site ( James Zarucchi, managing editor of Flora of North America, made the slides from one of the few remaining copies of Köhler's three-volume set while a graduate teaching assistant at Harvard in the 1970s. “I found it very useful to take photos from that work because they were so good,” he says.

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