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(485) 
MISC. PUBLICATION 303, U. 8S. DEPT. OF AGRICULTURE 
Purr, KH. A. 
1936. STUDIES OF CERTAIN COASTAL SAND DUNE PLANTS OF SOUTHERN CALI- 
FoRNIA. Heol. Monog. 6: 1-87. 
QuIcK, ©. R. 
1935. NOTES ON THE GERMINATION OF CEANOTHUS SEED. Madrofio 3; 
1385-140. 
RABER, O. 
1928. PRINCIPLES OF PLANT PHYSIOLOGY. 377 pp., illus. New York. 
RaMSEY, F#. T. 
1921. THE SWAZEY BARBERRBY. Jour. Heredity 12: 426-427, illus. 
RATHBUN, S. F. 
1920. BOHEMIAN WAXWING AT SEATTLE, WASHINGTON, DURING THE WINTER 
1919-20. Auk. 37: 458-460. 
Ray, M. S. 
1912. THE DISCOVERY OF THE NEST AND EGGS OF THE CALIFORNIA PINE GROS- 
BEAK. Condor 14: 157-187, illus. 
ReeEpD, EH. L. 
1935. A NEW SPECIES OF EPHEDRA FROM WESTERN TEXAS. Torrey Bot. 
Club Bull. 62: 43. 
1936. EPHEDRA coRYr. ‘Torrey Bot. Club Bull. 63: 351-853, illus. 
Reuper, A. 
1917. THE GENUS FRAXINUS IN NEW MEXICO AND ARTzZONA. Amer. Acad. 
Proe. 538: [197]-212. 
1934. MANUAL OF CULTIVATED TREES AND SHRUBS HARDY IN NORTH AMER- 
ICA, EXCLUSIVE OF THE SUBTROPICAL AND WARMER TEMPERATE 
REGIONS. 930 pp., ilius., New York. 
RIDLEY, H. N. 
1930. THE DISPERSAL OF PLANTS THROUGHOUT THE WORLD. 744 p., illus., 
Ashford, Kent, England. 
RImDceway, R. 
1877. onnIrHOoLoGY. U.S. Geol. Survey, 40th Parallel 4, pt. 3, pp. 305-— 
669. 
1889-95. THE ORNITHOLOGY OF ILLinors. In Natural Histery Survey of 
fliinois, 2 v., illus. Springfield, ill. 
Roeinson, B. L., and FERNALD, M. L. 
1908. GRAY’S NEW MANUAL OF BOTANY... Hd. 7, rearranged and ex- 
tensively rev., 926 pp., illus. New York and Cincinnati. 
RoBInson, C. S.- 
1931. FEEDING HABITS AND FORAGE REQUIREMENTS OF ROCKY MOUNTAIN 
MULE DEER IN THE SIERRA NEVADA MOUNTAINS. Jour. Forestry 
29: 557-564. 
1937. PLANTS EATEN BY CALIFORNIA MULE DEER ON THE LOS PADRES NA- 
TIONAL FOREST. Jour. Forestry 35: 285-292. 
Rost, J. N. 
1911. BURSERACEAE. North Amer. Flora 25: 241-261. 
ROSENDAHL, C. O., and Butrers, &. K. 
1928. TREES AND SHRUBS OF MINNESOTA. 385 pp., illus. Minneapolis. 
RYDBERG, P. A. 
1906. FLORA OF COLORADO. Colo. Agr. Expt. Sta. Bull. 100, 448 pp. 
1908. RoSAcEAE. North Amer. Flora 22: 239-533. 
1919. FABACEAE, North Amer. Fiora 24: 1-462. 
1922. FLORA OF THE ROCKY MOUNTAINS AND ADJACENT PLAINS, COLORADO, 
UTAH, WYOMING, IDAHO, MONTANA, SASKATCHEWAN, ALBERTA, AND 
NEIGHBORING PARTS OF NEBRASKA, SOUTH DAKOTA, NORTH DAKOTA, 
AND BRITISH COLUMBIA. Hid. 2, 1144 pp. New York. 
1932. FLORA OF THE PRAIRIES AND PLAINS OF CENTRAL NORTH AMERICA. 
969 pp., illus. New York. 
