. Vanilla culture in Puerto Rico. Vanilla; Orchids. 48 CIRCULAR NO. 2 8, FEDERAL EXPERIMENT STATION. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Childers, Norman Franklin, 1910-. Washington, D. C. : U. S. Dept. of Agriculture

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Keywords: ., bookcentury1900, bookpublisherwashingtondcus, booksubjectorchids