394 



INDEX 



Androsace, on protected plot and on 

 unprotected range, 125; indicator 

 plant, 128; growth after burning 

 brushland, 226. 



Androsace diffusa, indicator plant, 128; 

 on chart plot, (fig.) 342. 



Animals, "living factories," 3; her- 

 bivorous, for study in grazing course, 

 365; game, study of, in grazing 

 course, 378, 388; predatory, for study 

 in grazing coursp, 383; research 

 phases for study of, in grazing course, 

 386; of prey, study of, in grazing 

 course, 389. 



Annual pasture, 88. 



Annual weed cover, 108. 



Aniennaria, growth after burning brush- 

 wood, 226. 



Apple family, for study in grazing 

 course, 369. 



Arislida, mechanically injurious, 286; 

 for study in grazing course, 368. 



Arislida species, withstand fire, 237. _ 



Arislida adscensionis, injurious species, 

 288. 



Arislida Fendleriana, injurious species, 

 288. 



Arizona, sheep and cattle grazed under 

 permit, 21; reseeding tests, 40; 

 study of efi,ect of grazing on timber 

 production, 202; study on Coconino 

 Forest, 204; earth reservoir, (fig.) 

 303; studies of grazing capacity, 

 329; investigations in, for study in 

 grazing course, 376. 



Arrhetmllienim elaliu-!, in reseeding tests, 

 44; habit of growth, (fig.) 146; 

 value for hay and pasture, 146. 



Arsenite of soda, used in killing poison- 

 ous plants, 247. 



Artemisia, effect of fire on, 226. 



Arlemisia discolor, in depletion of 

 mixed grass and weed stage, 113; 

 habit of growth, (fig.) 114; on range 

 grazed annually, (fig.) 122; on pro- 

 tected plot, (fig.) 123; on protected 

 plot and on unprotected range, 125; 

 indicator plant, 129, 130. 



Asclepias, poisonous to stock, 272. 



Asclepias galioides, habitat and de- 

 scription, (fig.) 272, 273. 



Aspen, t>^e of forest, forage on, 198; 

 area grazed by sheep twice each 

 season, (fig.) 205; effect of grazing 

 on reproduction, 205; area protected 

 from sheep, (fig.) 207; remnants of 

 sprouts on sheep range, (fig.) 208; 

 effect of sheep, goats, and cattle on, 

 212; for troughs, 300; grazing type, 



(fig.) 315, (fig.) 317; for study in 

 grazing course, 376. 



Aster, invasion of farm pasture, (fig.) 

 loi; on range grazed annually, (fig.) 

 122; on protected plot, (fig.) 123; 

 on protected plot and on unprotected 

 range, 125; indicator plant, 129. 



Aster, woody, poisonous to stock, 275, 



(fig-) 277- 



Aslcr frondeus, on range grazed an- 

 nuallj', (fig.) 122; on protected plot, 

 (fig.) 123; indicator plant, 129. 



Asteraceae, for study in grazing course, 

 369. 



Astragalus, poisonous to livestock, 243; 

 description, 250; for study in graz- 

 ing course, 370. 



Astragalus decumbens, indicator plant, 

 130. 



Astragalus mollissimus, description, 250; 

 habit of growth, (fig. frontis.); distri- 

 bution and habitat, 250. 



Atlantic States, species of lupine found 

 in, 267. 



A triplex semibaccata, in reseeding tests, 

 44. 



Atropine, for larkspur poisoning, 258. 



A vena, semi-domesticated, 55; for 

 study in grazing course, 368. 



Aveneae, for study in grazing course, 

 368. 



Azalea, poisonous species, 274. 



Azalea occidentalis, poisonous species, 

 274. 



B 



"Baby" beeves, feeding grain ration to, 



96. 

 Bacteria, nitrifying, destroyed by fire, 



226; contain to.xic substances, 243. 

 Bacteriology, au.xiliary subject in study 



of pasture management, 361. 

 Barium chloride, for larkspur poisoning, 



258. 

 Barley, meadow, on bed ground, (fig.) 



121. 

 Barley, Pacific, mechanically injurious, 



286. 

 Barley, squirreltail, mechanically in- 

 jurious, 286, (fig.) 287; injury to 



lamb, (fig.) 288. 

 Barley, wall, mechanically injurious, 



286. 

 Barleygrass, mechanically injurious, 



285, 286; for study in grazing course, 



367. 

 Barnes, Will C, on cost of reservoirs, 



303- 



