4o6 



INDEX 



Krameria, belonging to legumes, 151. 

 Kubanka, species of wheat, 184. 



Labrador tea, poisonous species, 273, 



(fig.) 275. 

 Lambkill, name for sheep "laurel, 



2 74- 



Lamb's-quarters, in first or early weed 

 stage, 115, (fig.) 116; on bed ground, 

 (fig.) 121; on protected bed ground, 

 124; indicator plant, 128. 



Landslide, form of erosion, 176. 



Larkspur, cross section of root, (fig.) 

 64; species of poisonous plant, 243; 

 poisonous until seed maturity, 245; 

 young cow poisoned by, (fig.) 246; 

 distribution and habitat, 256; losses 

 due to, 256; poisonous part, 257; 

 amount required to cause death, 

 257; symptoms of poisoning, 257; 

 remedies, 258; method of eradi- 

 cating, 259; summary of symptoms 

 and remedies, 270. 



Larkspur, low, indicator plant, 129; 

 method of eradicating, 247; dis- 

 tribution and habitat, 256; habit 

 of growth, Cfig. frontis.). 



Larkspur, tall, on range grazed an- 

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

 (fig.) 123; on protected plot and on 

 unprotected range, 125; method of 

 eradicating, 247, 259; distribution 

 and habitat, 256; habit of growth, 

 (fig. frontis.). 



Lalhyrus, study of, in grazing course, 

 369- 



Lalhyrus Icucantlms, in foxglove-sweet 

 sage-yarrow cover, 114; on range 

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

 tected plot, (fig.) 123; indicator 

 plant, 129; on chart plot, (fig.) 342. 



"Laurel," black, poisonous species, 



273, (fig.) 274. 



"Laurel," mountain, poisonous species, 



274, (fig.) 276. 



"Laurel," sheep, poisonous species, 

 274. 



"Laurel," white, poisonous species, 

 274, (fig.) 275. 



"Laurels," poisonous to stock, 273; 

 habitat, 273. 



Ltivauxia Jlava, in foxglove-sweet sage- 

 yarrow cover, 114; on bed ground, 

 (fig.) 121; on range grazed annually, 

 (fig.) 122; on protected area, (fig.) 

 123; indicator plant, 129. 



Leasing system, in Texas, 30; in Wy- 

 oming, 31; Northern Pacific Rail- 



road, 31; benefits of, 32, 34; fenc- 

 ing, following adoption of, (fig.) :i2; 

 for study, in grazing course, 365. 



Ledum glandulosum, poisonous species, 

 273- 



Legumes, cultivated pasture plants, 

 151- 



Legiiminalcs, nongrasslike forage plants, 

 151- 



Leguminosae, or legume family, 151; 

 includes poisonous species, 243. 



Leontodoii taraxacum, on range grazed 

 annually, (fig.) 122; on protected 

 plot, (fig.) 123; on chart plot, (fig.) 

 342. 



Lepidium ramosissimum, indicator 

 plant, 128. 



Lespedeza, valuable pasture plant, 

 easily killed by fire, 224, 237. 



Lespedeza striata, in reseeding tests, 

 44; habitat, 164; value, 164; seed- 

 ing, 164. 



Lesguerella Vtahensis, on eroded and 

 on noneroded pastures, (fig.) 118. 



Leucothoe Davisiae, poisonous species, 

 273- 



Level, Abney, topographic, used in 

 field work, 320. 



Life-history studies, in grazing course, 

 366, 372. 



Life period, of forage plants, 90. 



Lightning, fires started by, 217, 232. 



Lime, soil deficient in, 95; to correct 

 acidity, 99; in eroded and in non- 

 eroded soil, 184. 



Limestone, fertilizer, 99. 



Lincoln National Forest, cost of res- 

 ervoirs on, 304. 



Lion, mountain, study of, in grazing 

 course, 383. 



List plot, 347, (fig.) 348; advantages 

 of, 347- 



Livestock, importance of industry, 4; 

 chief industry on native range lands, 

 6, 7, 8; on National Forests, 18; 

 increase on National Forests from 

 1909 to 1919, 22; control and distri- 

 bution, factor in preventing erosion, 

 192; losses from poison and from 

 mechanical injury, 241; control of 

 losses, 243; driving and herding in 

 relation to poisoning, 247; water 

 requirements, 296; methods of hand- 

 ling, chief object of grazing recon- 

 naissance, 323; suggestions for in- 

 struction in production of, 360; 

 schedule of subjects for studying 

 management of, 361; course in his- 

 tory of development of domestic, 

 362; improved handling of, to be 



