BIBLIOGRAPHY 



Allison, Edith M. Bibliography and history of Colorado botany. 

 Univ. of Colo. Studies, 6, 51-76. 



Ashe, W. W. New North American plants; some new species 

 of Crataegus. N. C. Agric. Exper. Sta. Bull. 175, 1900. 



Bennett, Mrs. Cora. List of Colorado trees. Plant World, 11, 

 66. 



Brandegee, T. S. The flora of southwestern Colorado. Bull, 

 U. S. Geol. and Geog. Surv. of the Territories, 2, 227-248. 



Brandegee, T. S. New species of western plants. Bot. Gaz., 

 27, 444-457. 



Butler, A. A. Ferns near Colorado Springs, Colo. Am. Nat, 30, 

 750, 751. 



Cassidy, James, and O'Brine, David. Some Colorado grasses. 

 BXill. Colo. Agri. Coll. Exper. Sta., 12, 5-138. 



Cockerel I, T. D. A. Notes on the Flora of Custer County, Colo- 

 rado. West Amer. Scientist, Sept. 1888, 5, 6; Oct. 1888, 10-12; 1889, 

 10-12. 



Cockerel I, T. D. A. Notes on Castilleia. Bull. Torr. Bot. Club, 

 17, 34-37. 



Cockerel I, T. D. A. Contributions towards a list of fauna and 

 flora of Wet Mountain valley. West Amer. Scientist, Nov. 1889, 

 153-155. 



Cockerel!, T. D. A. The North American species of Hymenoxys. 

 Bull. Torr. Bot. Club, 31, 461-509. 



Cockerel I, T. D. A. The alpine flora of Colorado. Am. Nat, 

 40, 861-873. 



Cockerel I, T. D. A. The genus Crataegus in Colorado. Univ. 

 of Colo. Studies, 5, 41-45. 



Coulter, John M. Manual of botany of the Rocky Mountain 

 region. 1885. 



409] [26l] 



