The ancient British and Irish churches including the life and labors of St. Patrick

Those Fertile Crescent crops spread into climatically similar adjacent areas of North Africa and laid the foundations for the rise of ancient Egyptian civilization. They include such familiar crops as wheat, barley, peasj beans, and grapes. These are familiar to us precisely because they also spread into climatically similar adjacent areas of Europe, thence to America and Australia, and became some of the staple crops of temperate-zone agriculture around the world. HOWAFRICA BECAME BLACK • 387 Origins of African crops, with examples (sorghum, pearl millet) S Figure 19.3. The areas of origin of crops grown traditionally in Africa(that is, before the arrival of crops carried by colonizing Europeans),with examples of two crops from each area. As one travels south in Africa across the Saharan desert and reencoun-ters rain in the Sahel zone just south of the desert, one notices that Sahel rains fall in the summer rather than in the winter ...»