Back MatterSource: Contributions from the United States National Herbarium, Vol. 13, No. 7 (1910)Published by: Department of Botany, Smithsonian InstitutionStable URL: http://www.jstor.org/stable/23491873 .

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This content downloaded from 193.105.154.57 on Mon, 19 May 2014 11:57:49 AMAll use subject to JSTOR Terms and Conditions