414 University of California Publications in Botany [You 9 



80S0TH, B. 



List of plants collected above timber-line on Pikes Peak, with altitudinal 

 extensions and notes. Bull. Torr. Bot. Club, vol. 38, pp. 237-242. 1911. 



81 Brandegee, T. S. 



Conifcrae of the Crestones. Bot. Gaz., vol. 3, pp. 32-33. 1878. 

 Brandegee, T. S. 



Timber-line in the Sawatch Eange. Bot. Gaz., vol. 5, pp. 125-126. 1880. 



82 Standley, p. C. 



Notes on the flora of the Pecos River National Forest. Muhlenbergia, 

 vol. 5, pp. 17-30. 1909. 



83 Mearns, E. a. 



Obsei-vations on the avifauna of portions of Arizona. Auk, vol. 7, p. 2.39. 

 1890. 



84GADOW, H. 



Altitude and distribution of plants in southern Mexico. Jour. Linn. Soc, 



vol. 38, pp. 429-440. 1909. 

 Heilprin, a. 



The temperature and alpine floras of the giant volcanoes of Mexico. Proc. 



Am. Phil. Soc. Phila., vol. 30, p. 4. 1892. 



85 Marshall, R. B. 



Mt. Lyell Quadrangle, California. 21st Ann. Eep. U. S. Geol. Surv., pt. 5, 

 pp. 574-575. 1900. 



86 Engler, a. 



Die pflanzengeographische Gliederung Nordamerikas. 1905, 



87 Christ, H. 



Die Farnkrauter der Erde. Jena, 1897. 



88 Parish, S. B. 



The fern flora of California. Fern Bull., vol. 12, pp. 1-15. 1904, 



89 Eastwood, A. 



A flora of the south fork of Kings River from Millwood to the headwaters 

 of Bubbs Creek. Pub. SieiTa Club, No. 27, pp. 1-96. San Francisco, 

 1902. 



90 Jones, M. E. 



Ferns of the West, p. 21. Salt Lake City, 1882. 



91 Merriam, C. H. 



The Death Valley Expedition. A biological survey of parts of California, 

 Nevada, Arizona, and Utah. Part II. North Am. Fauna, No. 7, p. 339. 

 1893. 



92 Abrams, L. E. 



A phytogeographic and taxonomic study of the southern California trees 

 and shrubs. Bull. N. Y. Bot. Gard., vol. 6, pp. 300-485. 1910. 



93 Reiider, a. 



Mitt. d. d. dendrol. Gesellschaft, vol. 16, p. 70. 1907. 



94 Parish, S. B. 



New or unreported plants from southern California. Bot. Gaz., vol. 38, 

 pp. 459-462. 1904. 



95 Vasey, G. 



Some new grasses. Bot, Gaz., vol, 7, pp. 32-33. 1882. 



