Burpee's Mammoth Ironclad Watermelon
Large, heavy, oblong fruits, averaging two feet in length under good cultivation. Skin dark green, with bright stripes of lighter green in mottled markings. Rind thin but tough; flesh bright red, firm, crisp, and free from stringiness. Large solid heart, with seeds near the rind. Pkt., 5c; oz., 10c; ¼ lb., 25c; lb., 75c.
Originally listed in: Burpee's Annual for 1916