398 



INDEX 



Cicula occidenlalis, western plant, 264, 

 (fig. frontis.). 



Cinna, for study in grazing course, 368. 



Cinquefoil, indicator plant, 129. 



Claviceps purpurea, description and 

 habitat, 281, (fig.) 283; poisonous 

 to stock, 281. 



Clements, Frederic E., quadrat meth- 

 od developed by, 341. 



Climate, cause of declining forage yield, 

 89; factor in determining adapta 

 bility of range to classes of stock, 

 311; study of, in grazing course, 365. 



Climatic cycles in forage jdeid, study of, 

 in grazing course, 363, 386. 



Climatic data, included in study of 

 meteorology, 363. 



Climatic factors, in erosion, for study 

 in grazing course, 375. 



Climax herbaceous stage, 107; value as 

 forage, in; indicator plants, 130; 

 for study in grazing course, 374. 



Clover, cultivated pasture plant, 151; 

 species and habitat, 152. 



Clover, Alsike, in reseeding tests, 44, 

 45; yields well, 52; amount to sow 

 and cost, 53; moisture requirements, 

 54; in mixture for temporary pas- 

 ture, 148; for permanent pasture, 

 149; habit of growth, 152; intro- 

 duced into United States, 152; seed- 

 ing, 152; form of growth, (fig.) 153. 



Clover, bur, in reseeding tests, 44; 

 amount to sow and cost, 53; mois- 

 ture requirements, 54; on winter 

 range, 80; habitat, 155; species, 156; 

 form of growth, (fig.) 156; kind of 

 soil, 156. 



Clover, Japanese, or Japan, in reseeding 

 tests, 44; moisture requirements, 

 54; cultivated pasture plant, 151; 

 habitat, 164; value, 164; seeding, 

 164. 



Clover, red, in reseeding test, 44; 

 amount to sow and cost, 53; mois- 

 ture requirements, 54; on permanent 

 pasture, 88; in mixtures, 148. 



Clover, spotted bur, habitat, 156; form 

 of growth, (fig.) 156; in combination 

 with Bermudagrass, 156. 



Clover, Swedish, name for Alsike, 152. 



Clover, sweet, cultivated pasture plant, 

 151; habit of growth, (fig.) 154, 

 155; habitat, 155; seeding, 155; 

 objection to, 155. 



Clover, white, in reseeding tests, 44, 

 45. 47. 52; amount to sow and cost, 

 53; moisture requirements, 54, 153; 

 seeded with Kentucky bluegrass, 134; 

 mixture for permanent pasture, 148, 



149; habit of growth, 153 ; seeding 

 153- 



Cocklebur, mechanically injurious, 284. 



Cock's-foot, name for orchardgrass, 142. 



Coconino National Forest, study of 

 grazing damage to yellow pine repro- 

 duction on, 204; study of improved 

 methods of range management on, 

 310. 



Collection, plant, for grazing recon- 

 naissance, 318; of specimens for 

 study in grazing course, 371. 



Colleges, agricultural, inclusion of 

 courses in pasture and livestock 

 management in curricula of, 360, 390. 



Collomia, slender-leaved, in first or 

 early weed stage, 115, (fig.) 116; 

 on eroded and on noneroded pasture, 

 (fig.) 118; indicator plant, 128. 



Collomia linearis, in first, or early weed 

 stage, 115, (fig.) 116; on eroded and 

 noneroded pasture, (fig.) 118; in- 

 dicator plant, 128. 



Colorado, sheep and cattle grazed under 

 permit, 21. 



Comb seed stripper, for collecting seed, 

 (fig.) 56, 57. 



Compass, used in traverse sketching, 

 319- 



Coniferous trees, less palatable than 

 hardwoods, 209; damage to seed- 

 lings by browsing and trampling, 

 235; for study in grazing course, 

 376. 



Corn, Kafir, supplemental feed, 34. 



Cost, of seeding, 52, 53, 54; of collect- 

 ing seed, 57; of overgrazing, 61; of 

 eradicating loco plants, 255; of 

 eradicating larkspur, 259; of troughs, 

 300; of reservoirs, 304; of wells, 304; 

 of feed and labor, 307; of livestock 

 production, for study in grazing 

 course, 382. 



Cotton, J. S., reseeding experiments, 43. 



Couchgrass, host plant, 281. 



Coville, Frederick V., study of injury 

 to forest growth from sheep grazing, 

 199. 



Cow poison, common name for lark- 

 spur, 255. 



Cow unit, meaning of, 330; grazing 

 capacity of National Forests in cow 

 units, 331; acreage required for cattle, 

 331; acreage required for sheep, 2i33,- 



Cowbane, name for water hemlock, 264. 



Cowpeas, cultivated pasture plant, 151; 

 habit of growth, 158; field of, (fig.) 

 158; introduced from Africa, 158; 

 seeding, 158. 



Coyote, study of, in grazing course, 383. 



