lovejoy: anatomy of g-^rtneria. 287 



Cannon, W. A., 1908. The Topography of the Chlorophyll Apparatus in 



Desert Plants. 

 Cannon, W. A. Out West, pp. 24-25. 

 Clements, F. E., 1905. Refearch Methods in Ecology. 

 Clements, F. E. Desert Botanical Laboratory of the Carnegie Institution. 



Science, n. s., pp. 19-885. 

 Coulter, J. M., 1891-'94. Botany of Western Texas. Contr. from U. S. 



Nat. Herb. II, 55, Wash. 

 CoviLLE, F. v., and MacDougal, D. T., 1903. The Desert Botanical 



Laboratory of the Carnegie Institution of Washington. Carnegie Inst. 



of Wash. Publication No. 6. 

 CoviLLE, F. v., 1893. Botany of the Death Valley Expedition. Contr. 



from U. S. Nat. Herb., vol. IV, Wash. 

 Gray, Asa, 1850. Plantae Wrightianse, Texanse, Neo-Mexicanae. Smith- 

 sonian Contributions to Knowledge, Wash., vol. Ill, pt. I, p. 30. 

 Gray, Asa. 1838-1840: 8vo. vol. I, p. 711. 1841-1843: vol. II, p. 504. 



Flora of N. A., containing description of all plants north of Mexico. 

 Haberlandt, Dr. G., 1904. Physiologische Pflanzenanatomie. 

 Hall, Sharlot, M. Desert Vegetation. Out West, pp. 22-363. 

 Heller, A. A., 1900. Catalogue of North American Plants North of 



Mexico. 

 Hough, M. Z., 1900. Plant Names of the Southwestern U. S. Plant 



World, vol. Ill, pp. 137-139. 

 Ingersoll, E. Plant Life in the Desert, pp. 110-577. 

 ICerner, a., and Oliver, F. W., 1895. The Nat'l Hist, of Plants, vol. II, 



pt. 2, pp. 885-899. 

 Livingston, B. E., 1905. Relation of Soils to Vegetation. Bot. Gaz., 39, 



pp. 22-41. 

 Livingston, B. E., 1906. The Relation of Desert Plants to Soil Moisture 



and to Evaporation. Carnegie Inst, of Wash. Publication No. 50. 

 MacDougal, D. T., 1904. Delta and Desert Vegetation. Bot. Gaz., 38, 



pp. 44-83. 

 MacDougal, D. T., 1908. The Course of the Vegetative Season in South- 

 ern Arizona. Plant World, vol. II, pp. 216, 237, 261. 

 MacDougal, D. T., 1908. The Vegetation of the Tucson Region. Uni- 

 versity of Arizona Monthly, May, pp. 1-18. 

 Parish, S. B., Flora of Southern California. Bot. Gaz., vol. 36, pp. 



203-259. 

 Peace, L. M., 1910. Plant World, vol. 13, Apr. 

 Preston, Carleton E. Structural Studies on Southwest Cactacae. 

 Sargent, C. S., 1905. Manual of the Trees of North America. 

 ScHiMPER, A. F. W., 1903-'04. Plant Geography Upon a Physiological 



Basis. 

 SoLEREDER, Dr. Hans, 1908. Systematic Anatomy of the Dicotyledons; 



vols. I and II. 

 Spaulding, V. M., 1904. Biological Relation of Certain Desert Plants. 



Bot. Gaz., 38, pp. 122, 138. 



:l— Univ. Sci. Bull.. Vol. VII. No. IS. 



