54 UNIVERSITY OF COLORADO STUDIES 



Brandegee, T. S., "Timber Line in the Sawatch Range," Bot. Gaz., Vol. V, p. 125. 

 , "Notes upon the Botany of the San Juan Region," Appendix SS of Annual Report 



of chief of engineers for 1878, p. 1841. 

 , "The Flora of Southwestern Colorado," Bull. U. S. Geol. and Geog. Surv. 0/ the 



Territories (Hayden Survey), Vol. II, pp. 227-48. [Most of these plants were collected 



between 5,000 and 9,000 ft. altitude and determined with the assistance of E. A. Rau, 



C. F. Austin and T. P. James.] 



"New Species of Western Plants," Bot. Gaz., Vol. XXVII, pp. 444-57, 1899. 



[The species described were collected by Dr. Purpus in the Gunnison region and on 

 the Uncompahgre range.] 



Brandenburg, Frederick H. Since 1882 in the weather service in Colorado. District 

 forecaster and director of Colorado climatological service since 1894. Has published 

 various items and articles in the Monthly Weather Review and in the bulletins of the 

 Climatological Service. Address: Denver, Colo. 



Brandenburg, Frederick H., "Climate of Colorado," Bull. Q, Climatology of the 

 United States. 



, "The Snowfall in the Mountain Districts of the Arid Region and its Relation to 



Irrigation," Proceedings 12th Nat. Irrigation Congress, pp. 391-94, 1904. 



, "The Western Limit of Precipitation Sufficient for Successful Farming without 



Irrigation," Proceedings 14th Nat. Irrigation Congress, pp. 176-79, 1906. [The 

 author discusses here the danger of taking normal rainfall alone as an indication of 

 what crops may be grown in semi-arid regions. A succession of dry years may 

 result disastrously to farmers even if the normal rainfall is sufficient for agriculture. 

 Tendencies to protracted dry spells must also be considered.] 



, "Irrigation as a Protection from Frost," Proceedings 14th Nat. Irrigation Con- 

 gress, pp. 246, 247, 1906. 



"Wind Power for Irrigation Plants," Proceedings 14th Nat. Irrigation Congress, 



pp. 269-75, i9°6- [This article contains a valuable table of comparisons of wind 



movement at different stations on the great plains and in the great basin.] 

 Brixton, N. L., Trans. N. Y. Acad. Sci., Vol. VIII, p. 63, January, 1889. [Viola cana- 

 densis scariosa Porter, collected by Newberry at Lake City, Colo., in 1881.] 

 , "Descriptions of New North American Thorns," Bull. N. W. Bot. Garden, Vol. I, 



pp. 447-49, 1896. [Crataegus occidentalis, collected by Dr. E. L. Greene, near Golden, 



Colo., in 1873 is described.] 

 Butler, Alford, A., "Ferns near Colorado Springs, Colo.," American Naturalist, 



Vol. XXX, pp. 750, 751, 1896. 

 Canby, W. M. Collected in 1871. Fide Porter. 

 Cannon, Geo. L. Made botanical studies and collections in different parts of the state 



since 1878. Address: East Denver High School, Denver, Colo. 

 Cardot, J. (joint author with Renauld, F., which see). 

 Cardot, J., and Theriot, I., "New or Unrecorded Mosses of North America," Bot. 



Gazette, Vol. XXXVII, pp. 363-82, 1904. [A number of species were collected in 



Colorado.] 

 Carpenter, L. G. Director of experiment station, Colorado Agricultural College. 



Has made extended studies of meteorology during his connection with the college. 



Address: Ft. Collins, Colo. 



