IMPORTANT WESTERN BROWSE PLANTS 185 
(94) NE son, E. 
1904. NATIVE AND INTRODUCED SALTBUSHES, THREE SEASONS’ TRIALS. 
Wyo. Agr. Expt. Sta. Bul. 63, 19 p., illus. 
(95) PammeEt, L. H. 
1910. A MANUAL OF POISONOUS PLANTS, CHIEFLY OF EASTERN NORTH 
AMERICA, WITH BRIEF NOTES ON ECONOMIC AND MEDICINAL 
PLANTS ... 2 V., illus. Cedar Rapids, Iowa. 
(96) 
1913. POISONOUS PLANTS OF THE RANGE. Ames Forester I: 33-48, illus. 
(97) Prencert, F. C. 
1920. AMERICAN HONEY PLANTS, TOGETHER WITH THOSE WHICH ARE OF 
SPECIAL VALUH TO THE BEEKEEPER AS SOURCES OF POLLEN. 297 
p., illus. Hamilton, Il. 
(98) PENNELL, F. W. 
1920. SCROPHULARIACEHAR OF THE CENTRAL ROCKY MOUNTAIN STATES. U.S. 
Natl. Mus. Contrib. U. S. Natl. Herbarium 20: 313-381. 
(99) Prerr, C. V. 
1906. FLORA CF THH STATE OF WASHINGTON. WU. S. Natl. Mus. Contrib. 
U. 8S. Natl. Herbarium 11, 687 p., illus. 
(100) Port, E. 
1904-9, HANDBUCH DER TIERISCHEN ERNAHRUNG UND DER LANDWIRT- 
SCHAFTLICHEN FUTTERMITTEL. 3 y., giinzlich neubearb. aufl. 
der Landwirtschaftlichen Futtermittel. Berlin. 
(101) [Priex, O. L., and Ratrorp, L. C.] : 
1911. woopy ASTER (XYLORRHIZA PARRYI GRAY). Wyo. Agr. Expt. Sta. 
Bul. 88, 20 p., illus. 
(102) Ropsins, W. W. 
1917. NATIVE VEGETATION AND CLIMATE OF COLORADO IN THEIR RELATION 
TO AGRICULTURB. Colo. Agr. Expt. Sta. Bul. 224, 56 p., illus. 
(103) Rocx, J. F. 
1913. THH INDIGENOUS TREES OF THE HAWAIIAN ISLANDS. 518 p., illus. 
Honolulu. 
(108a) RoruHrock, J. T., and others. 
1878. BOTANY OF THE WHEELER SURVEY. (U.S. Geogr. Surveys West of 
the One Hundredth Meridian, Rpt. 6.) U. S. Army, Engin. 
Dept. 404 p., illus. 
(104) RUSSELL, F. 
1908. THE PIMA INDIANS. U.S. Bur. Amer. Ethnol, Ann. Rpt. (1904-05) 
26: 3-390, illus. 
(105) Ryppere, P. A. 
1898. A MONOGRAPH OF THE NORTH AMERICAN POTENTILLES. 223 pp., 
illus. New York. (Thesis, Ph. D. Columbia University.) 
Columbia Univ. Dept. Bot. Mem. v. 2. 
(106) ——— 
1900. CATALOGUE OF THE FLORA OF MONTANA AND THE YELLOWSTOND 
NATIONAL PARK. Mem. N. Y. Bot. Gard., 492 p., illus. 
(107) 
1922. FLORA OF THE ROCKY MOUNTAINS AND ADJACENT PLAINS, COLORADO, 
UTAH, WYOMING, IDAHO, MONTANA, SASKATCHEWAN, ALBERTA, 
AND NEIGHBORING PARTS OF NORTH DAKOTA AND BRITISH COLUMBIA. 
Ed. 2, 1148 p. 
(108) Sarrorp, W. E. 
1915. EYSENHARDTIA POLYSTACHYA, THE SOURCE OF THE TRUE LIGNUM 
NEPHRITICUM MEXICANUM. Jour. Wash. Acad. Sci. 5: 503-517, 
illus. — 
(109) 
1921. PEYOTE, THE NARCOTIC MESCAL BUTTON OF THE INDIANS. Jour. 
Amer. Med. Assoc. 77: 1278-1279, illus. 
(110) Sampson, A. W. 
1917. IMPORTANT RANGE PLANTS: THEIR LIFE HISTORY AND FORAGE VALUE. 
U. S. Dept. Agr. Bul. 545, 63 p., illus. 
(111) 
1919. EFFECT OF GRAZING UPON ASPEN REPRODUCTION. U. S. Dept. Agr. 
Bul. 741, 29 p., illus. — 
(112) 
1919. PLANT SUCCESSION IN RELATION TO RANGH MANAGEMENT. U. S, 
Dept. Agr. Bul. 791, 76 p., illus, 
