THE ORIGIN AND CLASSIFICATION OF WHEATS.
The three primitive wheats (Nos. 3, 4, 5) are considered by one authority to be representative respectively of three groups, each derived from a different wild prototype, viz., Einkorn group (No. 4 only); Emmer group (Nos. 5, 8, 9, 10); Spelt group (Nos. 6, 11, 12-17).
The generally accepted botanical classification of wheats is as follows: Einkorn (Triticum monococcum), Polish Wheat (Triticum polonicum), Wheat and Spelt (Triticum sativum), the latter subdivided into three races, viz., Spelts (T. spelta), Emmers (T. dicoccum), and Wheats (T. tenax), the last comprising four sub-races: Poulard Wheat (T. turgidum), Durum Wheat (T. durum), Club Wheat (T. compactum), and Common Wheat (T. aestivum), with numerous varieties.
The exhibits in the Field Museum of Wheat and of other Cereal Grasses are to be found in the Department of Botany, Halls 25 and 28, on the second floor.
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