28 A PROTECTED STOCK BANGE IN AEIZONA. 



Pago. 



Regions, arid, grasses most important 11-12 



seedling plants, economic importance, etc 11-12 



weed enemies 17-18 



shrubs, control, benefits of forest fires 22 



thin seeding, importance 11-12 



desert, forage, growth, appearance, habits, etc 17 



vegetation, causes of various forms 22-23 



Reseeding, grasses. See Grasses, reseeding. 



Santa Rita Mountains, grasses, perennial, reproduction experiments 11-12 



growth of Bouteloua oligostachya 14 



Seasons, rainy, summer and winter, dates, rainfall, etc 19-21- 



Seed, failure, causes 14 



foreign, results of planting 13 



grama grasses, production in private pastures in 1908 10 



planting, methods 13 



production, desert plants 10-11 



Seeding denuded areas, methods 14 



grasses. See Grasses, seeding. 



Seedlings, perennial grasses, production in fenced area 12 



Sheep, grazing, use of private pastures 10 



Shrubs, arid regions, control, benefits of forest fires 22 



danger to mowing machines 21-22 



increase, causes, dangers, etc 21-23 



Six-weeks' grasses. See Grasses, six-weeks'. 

 Soil, surface covering. See Ground, cover. 

 Stock range. See Range, stock. 



Summary of bulletin 24 



Swales, ground cover, description 9 



growth of perennial grasses , 17 



Tucolote, introduction, experiments 13 



Vegetation, changes, permanent 15-17 



temporary, studies and comparisons 14-15 



desert regions, causes of various forms 22-23 



grass varieties, comparison by years 15 



native, husbanding, benefits and results 13-14 



value, management , etc 13 



private pastures, increase of growth in 1908 10 



yield of inclosed area 19-21 



Waters, flood, cause of large growth of grasses 9 



effect on ground cover 9, 10 



Weed, loco, damage to horse industry 17 



occurrence, habits of growth, danger, etc 17-18 



Weeds, varieties and importance in Arizona pasture 17-19 



177 



o 



