144 



GENETICS 



Publications treating of the heredity of range plants in all its phases; and range 

 plant breeding. 



Bessey, C. E. (2618) 



THE PHYLOGENETIC TAXONOMY OF FLOWERING PLANTS. Mo. Bot. Gard. Ann. 2: 



109-164, illus. 1915. 



Bessey, E. A. (2619) 



the phylogeny of the grasses. Mich. Acad. Sci. Rept. 19: 239-245, 

 illus. 1917. 



Blakeslee, A. F., Bergner, A. D., and Avery, A. G. (2620) 



methods of synthesizing pure-breeding types with predicted char- 

 acters IN THE JIMSON WEED, DATURA STRAMONIUM. Natl. Acad. Sci. PrOC. 



19: 115-122. 1933. 

 Cockerell, T. D. A. (2621) 



THE EVOLUTION OF SPECIES THROUGH CLIMATIC CONDITIONS. Science (n. S.) 



2: 145-146, iUus. 1906. 



Coulter, J. M., and Coulter, M. C. (2622) 



plant genetics. 214 pp., illus. Chicago. 1918. 



Erlanson, E. W. (2623) 



FIELD OBSERVATIONS ON WILD ROSES OF THE WESTERN UNITED STATES. Mich. 



Acad. Sci., Arts, and Letters, Papers 11: 117-135. 1929. 



(2624) 



THE PHENOLOGICAL PROCESSION IN NORTH AMERICAN WILD ROSES IN RELATION 



to the polyploid series. Mich. Acad. Sci., Arts, and Letters, Papers 11: 

 137-150, illus. 1929. 



Fraser, A. C. (2625) 



THE INHERITANCE OF THE WEAK AWN IN CERTAIN AVENA CROSSES AND ITS 

 RELATION TO OTHER CHARACTERS OF THE OAT GRAIN. N. Y. (Cornell) 



Agr. Expt. Sta. Mem. 23: 635-676, illus. 1919. 



Gates, R. R. (2626) 



the mutation theory and the species-concept. Amer. Nat. 51: 577-595. 

 1917. 



Gleason, H. A. (2627) 



EVOLUTION AND GEOGRAPHICAL DISTRIBUTION OF THE GENUS VERNONIA IN 



north America. Amer. Jour. Bot. 10: 187-202, illus. 1923. 



Hays, W. M. (2628) 



progress in plant and animal breeding. U. S. Dept. Agr. Yearbook 

 1901: 217-232, illus. 1902. 



Jones, D. F. (2629) 



GENETICS IN PLANT AND ANIMAL IMPROVEMENT. 568 pp., illus. New York. 



1925. 

 Keim, F. D. (2630) 



PLANT BREEDING OPPORTUNITIES WITH PASTURE AND MEADOW PLANTS. Jour. 



Amer. Soc. Agron. 27: 254-260. 1935. 

 Keyser, A. (2631) 



VARIATION STUDIES IN BROME GRASS (A PRELIMINARY REPORT). Colo. Agr. 



Expt. Sta. Bull. 190, 20 pp., illus. 1913. 

 Kirk, L. E. (2632) 



THE IMPROVEMENT OF WESTERN RYE GRASS, AGROPYRON TENERUM. Sci. 



Agr. 10: 239-250, illus. 1929. 



Lamb, W. H. (2633) 



the phylogeny of grasses. Plant World 15: 264-269, illus. 1912. 



Leighty, C. E., Sando, W. J., and Taylor, J. W. (2633a) 



intergeneric hybrids in aegilops, triticum and secale. Jour. Agr. 

 Research 33: 101-141, illus. 1926. 



Roberts, E. (2634) 



plant and animal improvement. 174 pp., illus. Boston. 1925. 



