. The corn crops: a discussion of maize, kafirs, and sorghums as grown in the United States and Canada. Corn; Kafir corn; Sorghum. ORIGIN AND CLASSIFICATION 21. Fig. 6. — Pop corn. supposed by some persons that pod corn represented a primitive or early type of corn, but there is no good evidence for this surmise. 3. Zea Mays everta, the pop corns. Characterized by the excessive proportion of corneous endosperm and the small size of the kernels and ear. The popping quality is due to the explosion of contained moisture on the applica- tion of heat, and the best varieties for popping are usually
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. The corn crops: a discussion of maize, kafirs, and sorghums as grown in the United States and Canada. Corn; Kafir corn; Sorghum. ORIGIN AND CLASSIFICATION 21. Fig. 6. — Pop corn. supposed by some persons that pod corn represented a primitive or early type of corn, but there is no good evidence for this surmise. 3. Zea Mays everta, the pop corns. Characterized by the excessive proportion of corneous endosperm and the small size of the kernels and ear. The popping quality is due to the explosion of contained moisture on the applica- tion of heat, and the best varieties for popping are usually corneous throughout. Two forms of seed are common, one of which is pointed at the top (rice pop corn), and the other form is rounded (pearl pop corn), much as a small flint. All maize colors are found, as red, yellow, white, and blue. The ears are small but vary in length from 2 inches in Tom Thumb to 5 inches for rice and 7 inches for some of the large pearl types. Rows vary from 8 to 16. 4. Zea Mays indurata, the flint corns. Characterized by white starchy endosperm, inclosed by flinty endosperm. Ker- nels oval in form; in some varieties the corneous part is very thin at the top and a slight indentation appears. There are types of flint maize closely resembling pop corn on the one hand and approaching dent on the other, thus forming a series between the pop and dent corns. Flint maize has all the common maize colors. It varies in length of ear from 8 to. 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 work.. Montgomery, E. G. (Edward Gerrard), b. 1878. New York, Macmillan