INDEX. 59 



Page. 



Olive, competition with desert shrubs 14, 19 



culture, at a distance from the seacoast 37 



dry-land area in United States, limitations 34-42 



in California 31-33 



flowers, temperature requirements for development 26, 39, 40 



fruit, factors in profitable production 9, 16, 17, 26, 33, 36-38, 40-42 



leaves, roots, and stem. See Olive, anatomical structure. 



root systems 9-10, 14, 15, 25, 27-30, 41-42, 43-44 



trees, shape of top modified for desert life 13-14, 24 



spacing in' orchard 9, 14, 23, 26-27, 32-33, 41-44, 56 



varieties, Chemlali 34, 42, 44 



Columbella 33 



Manzanillo 25, 28, 29 



Mission 33, 50, 52, 56 



Nevadillo 33 



Pendulina 33,37 



xerophytic characters 13-14, 15, 16, 24, 27-30, 33, 37, 41, 43, 49-53, 56 



See also Climate, Drought, Irrigation, Moisture, Pruning, Soils, and Weeds. 



Oracle, Ariz., climatic record 36 



Orange, demands upon soil 23 



Oroville, Cal., dry-land olive culture 31 



Palm, behavior under arid conditions 16, 24 



Palm Springs, Cal., dry-land olive culture 17-27, 32, 37-38, 49-50, 52-53, 56 



Palmdale, Cal., olive culture 18, 20 



Paloverde, adaptation to arid conditions 24 



Peach, growth in Michigan, comparison of soils 23 



Pendulina olive. See Olive, varieties. 



Pepper, behavior of tree under arid conditions 16, 18, 26 



Phoenix, Ariz., climatic records 11-12, 37-39, 50 



dry-land olive culture 16-17, 49, 52, 56 



phenological records for the olive 39, 40 



Plates, description 56 



Plum, demands upon soil 23 



Pomegranate, behavior under arid conditions 16 



Pope olive plantation. See Olive, abandoned grove at Palm Springs. 



Prune, behavior under arid and other conditions 13, 17 



Pruning, methods under arid conditions 9, 13-14, 16, 24, 33 



Prunus fremontii, adaptation to arid conditions 24 



Quito, Ecuador, South America, growth of olive 36 



Rainfall, relation to olive culture 9-12, 13, 19, 25, 31-32, 33, 40-42, 43, 44, 50, 53, 56 



Relative-humidity. See Humidity, relative. 



Roberts, I. P., on fertility of soils 23 



Roots of the olive. See Olive, anatomical structure. 



San Antonio, Tex., climatic data 34-35 



San Carlos, Ariz., climatic record 36 



San Diego, Cal., climatic data 30, 37, 39 



San Fernando, Cal., dry-land olive culture 31 



San Gorgonio Pass, relation to olive-culture projects 17, 18 



San Jose, Cal., temperature data 37, 39, 40 



Santa Barbara, Cal., temperature data 40 



Santa Cruz River (Wash.), character of watercourse 12 



Schinus molle, behavior under arid conditions .,.,,,., 18 



J92 



