Archive image from page 382 of Cyclopedia of American horticulture, comprising. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom cyclopediaofamer06bail Year: 1906 ZEA from the Teosinte (Euchhvna Mexicana), a fodder grass that is much grown in Mexico. See Teosinte. This latter view has arisen from experiments in cross- ing Teosinte
Archive image from page 382 of Cyclopedia of American horticulture, comprising. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom cyclopediaofamer06bail Year: 1906 ZEA from the Teosinte (Euchhvna Mexicana), a fodder grass that is much grown in Mexico. See Teosinte. This latter view has arisen from experiments in cross- ing Teosinte and Maize, a maize-like plant has been produced, thus showing the very close affinity of the two species. Plants of this hybrid were thought by the late Sereno Watson and others to constitute a new species of Zea, and Watson named it Z. canina. This plant quickly reverts to ordinary Corn when grown in the North (see Harshherger, G. P. 9:522; Contr. Bot. Lab. Univ. Penn. 2:231. Also Bailey, Bull. 49, Cornell Exp. Sta.). Figs. 2774, 2775. Zea Mays, therefore, may be (1) a true species, of which the wild prototype is unknown; (2) a direct offshoot by domestication of Euchhtna Mexicana; (3) a product of crossing between Euchlcena Mexicana and some unknown related species; (4) a product of crossing between Suehlana Mexicana and a domesticated race of the same species. Our knowledge is yet insufficient to enable us to offer much more than conjecture on these categories. Maize is remarkably variable, although most of the variations intergrade in different regions and under different conditions. The most extended American study of variation and varieties in Maize has been made by the late Dr. E. Lewis Sturtevant. The summary of his study of varieties is published as Bull. 57, Office of Experiment Stations, U. S. Dept. of Agric. ('Varieties of Corn,' 1899). Sturtevant throws the varieties of Maize into seven 'species groups' or 'agricultural species.' The distinguishing charact
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