Page:The New International Encyclopædia 1st ed. v. 20.djvu/835

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YAM, SWEET POTATO, ETC.

1. YAM (Dioscorea alata). 3. OKRA (Hibiscus esculentus).
2. ASPARAGUS (Asparagus officinalis). 4. SPINACH (Spinacia oleracea).
5 and 6. SWEET POTATO (Ipomœa Batatas).