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 Engelmann, George. (2689) 



THE AMERICAN JUNIPERS OF THE SECTION SABINA. Acad. Sci. St. Louis, Trails. 



3 (4) : 583-592, illus. 1877. 



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coniferae or the rocky mountains. Gard. Monthly 17: 151-153, 181-184, 

 214-217. 1875. 



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revision of the genus pinus, and description of pinus elliottii. Acad. 

 Sci. St. Louis, Trans. 4(1): 161-190, illus. 1880. 



• (2692) 



a snyopsis of the American firs. Acad. Sci. St. Louis, Trans. 3 (4) : 593- 

 602. 1878. 



Farwell, O. A. (2893) 



the correct name for the hemlock spruce. Bull. Torrey Bot. Club 41 : 

 621-629. 1914. 



Fernald, M. L. (2694) 



REVISION OF THE MEXICAN AND CENTRAL AMERICAN SPECIES OF ALNUS. Amei\ 



Acad. Arts and Sci. Proc 40 : 24. 1904. 



Fitzpa trick, T. J., and Fitzpatrick, M. F. L. (2695) 



BETULACEAE of iowa. Iowa Acad. Sci. Proc. 8 : 169-177. 1901. 



and Fitzpatrick, M. F. L. (2698) 



the fagaoeae of iowa. Iowa Acad, Sci. Proc 8 : 177-196. 1901. 



and Fitzpatrick, M. F. L. (2697) 



the juglandaceae of iowa. Iowa Acad. Sci. Proc. 8: 180-169. 1901. 



Fritz, Emanuel. (2698) 



A PLEA FOR COMMON SENSE IN CHANGES OF BOTANICAL NOMENCLATURE. Joiir. 



Forestery 21 : 61-64. 1923. 



Glatfelter, N. M. (2699) 



A STUDY OF THE VARIATION OF THE SPECIES OF SALIX DESCRIBED IN GRAY'S 

 MANUAL WITH REFERENCE TO THEIR DETERMINATION. Mo. Bot. Gai'd. Aim. 



Rept. 5 : 46-60, illus. 1894. 



Gray, Asa. (2700) 



plates prepared between the years 184 9 and 185 9, to accompany a report 



on the forest trees of north America. 4 pp., 23 col. pi. Washington, 

 D. C. 1891. 



Greene, E. L. (2701) 



THE genus ptelea in the western and southwestern united states and 



Mexico. U. S. Natl. Mus. Contrib. Herbarium, v. 10, pt. 2, 30 pp. 1906. 



Janssonius, H. H. (2702) 



A CONTRIBUTION TO THE NATURAL C T ASSIFICATI0N OF THE EUPHORBIACEAE. 



Yale Univ. School Forestry. Trop. Woods 19 : 8-10. 1929. 



Jepson, W. L. (2703) 



a new species of cypress. Madrono 1 (4) : 75. 1922. 



Kern, F. D. (2704) 



A BIOLOGIC AND TAXONOMIC STUDY OF THE GENUS GYMNOSPORANGIUM. N. Y. Bot. 



Gard. Bull., v. 7, no. 26. 104 pp. 1911. 



Knapp, J. G. (2705) 



coniferae of the rocky mountains. Wis. Acad. Sci., Arts, and Letters, 

 Trans. 1 : 117-123. 1872. 



Kncwlton, H. N. (2706) 



western larch. Mont. Univ. Forestry Club, Forestry Kaimin 3 (1) : 36, 

 39-40, illus. 1917. 



Lamb, W. H. (2707) 



A CONSPECTUS OF NORTH AMERICAN FIRS (EXCLUSIVE OF MEXICO). SoC Allier. 



Foresters Proc. 9 : 528-538, illus. 1914. 



(2708) 



a synopsis of the red firs, Soc. Amer. Foresters Proc. 7 : 184-186, illus. 



1912. 



