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Fig. 126. The fissured limestone on this mountain top on the Island of Majorca leaves almost no earth visible. But wild olives grow in the crannies, send their roots far down into the fissures, look healthy, are grafted to good varieties, and yield well. There are also some small pickings for sheep in the same enclosure, which was so fenced with thorn that I could not enter. (Photo J. Russell Smith.)