INDEX 



Acacia, belonging to legumes, 151. 



Accessibility, of range to stock, factor 

 in grazing reconnaissance, 311; of 

 grazing lands, for study in grazing 

 course, 365. 



Achillea, in weed type, (fig.) 314- 



Achillea lamilosa, in second or late weed 

 stage, 113; habit of growth, (fig.) 

 114; on eroded and noneroded pas- 

 ture, (fig.) ii8; on range grazed an- 

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

 (fig.) 123; indicator plant, 129, 130; 

 on chart plot, (fig.) 342. 



Aconite, growth after burning, 226; 

 description and habitat, 279, (fig.) 

 280; poisonous to stock, 279. 



Aconitum, growth after burning brush- 

 land, 226. 



Aconitum Columbianum, description 

 and habitat, 279, (fig.) 280; poison- 

 ous to stock, 279. 



Acreage, required for cattle, 331; for 

 sheep, 333; requirements of stock, 

 for study in grazing course, 371. 



Adaptability of range unit to classes 

 of stock, 311. 



Agaric, fly, poisonous to stock, 283; 

 habitat and description, 283, (fig.) 

 284. 



Agastache urticifolia, indicator plant, 

 129. 



Agriculture, dependence on use of 

 ranges in National Forests, 26; re- 

 lation of pasture livestock production 

 to, 360; relation to livestock in- 

 dustry, for study in grazing course, 

 364- 



Agriculture, Secretary of, letter to 

 Forester, 17. 



Agronomy, department of, to include 

 general training in grazing, 390. 



Agropyron, highest herbaceous cover, 

 108; host plant, 281; for study in 

 grazing course, 367. 



Agropyron dasystachytim, height and 

 root system, (fig.) 109; indicator 

 plant, 130; open grassland composed 

 of, (fig.) 313. 



Agropyron Scribneri, indicator plant, 

 129. 



Agropyron spicatum, height and root 

 system, (fig.) 109; indicator plant, 

 130. 



Agropyron lenerwn, in reseeding tests, 

 43; on eroded and on noneroded 

 pasture, (fig.) 118; on range grazed 

 annually, (fig.) 122; on protected 

 plot, (fig.) 123; on protected plot 

 and on unprotected range, 125; in- 

 dicator plant, 130. 



Agropyron violaceum, collecting seed of, 

 57; effect of cropping, (figs.) 65; 

 indicator plant, 130. 



Agrostideae, for study in grazing course, 

 368._ 



Agrostis alba, name for redtop, 139. 



Agrostis palustris, habit of growth, 139. 



Aira, for study in grazing course, 368. 



Aira cacspitosa, in meadow type, 312. 



Alamo Forest, goat grazing on, 210. 



Alfalfa, in reseeding tests, 41, 44; 

 amount to sow and cost, 53; intro- 

 duced from Old World, 55; culti- 

 vated pasture plant, 151; habitat, 

 157; seeding, 157; forage value, 157. 



Alfilaria, winter annual of Southwest, 

 8; in reseeding tests, 40, 44; mois- 

 ture requirements, 54; semi-domesti- 

 cated, 55; on winter ranges, 80. 



Alidade, telescopic, used in field work, 

 320; open-sight, 320. 



Alkaligrass, name for death camas, 261. 



Allium, annual plant, 324. 



Alpine fir t>pe of National Forest range, 

 sheep grazing on, (fig.) 19. 



Alsine species, on chart plot, (fig.) 342. 



Amanita, deadly, habitat, 283; de- 

 scription, 284, (fig.) 285. 



Amanita, fly, poisonous to stock, 283; 

 habitat and description, 283, (fig.) 

 284. 



Amanita muscaria, poisonous to stock, 

 283; habitat and description, 283, 

 (fig.) 284. 



Amanita phalloides, habitat, 283; de- 

 scription, 284, (fig.) 285. 



Amelanchier, sign of overgrazing, 106; 

 effect of fire on, 226. 



Anderson, Mark, on acreage required, 

 for cattle, 331; for sheep, 333. 



Andropogon species, in reseeding tests, 

 43; withstand fire, 237. 



393 



