62 UNIVERSITY OF COLORADO STUDIES 



Greene, Edward L., "New Western Species of Rosa," Pittonia, Vol. IV, pp. 10-14. 



[A number of specimens described were collected in Colorado.] 

 , "New or Noteworthy Species," Pittonia, Vol. IV, pp. 35-45. [Chrysothamnus 



formosus collected among the hills southwest from Grand Junction, pp. 98-102. 



Chaenactis pedicularia collected in southern Colorado, pp. 146-58. A number of 



species from Colorado, pp. 318-20. Two species collected in Colorado by C. F. 



Baker.] 

 , "New Species of Antennaria," Pittonia, Vol. IV, pp. 81-85. [Three species from 



Colorado.] 

 , "West American Asperifoliae, IV," Pittonia, Vol. IV, pp. 86-97, 1899-1901. 



[This account includes descriptions of a number of Colorado species.] 

 , "Some New or Critical Ranunculi," Pittonia, Vol. IV, pp. 142-46. [Three 



species from Colorado.] 

 , "Some Rocky Mountain Asters," Pittonia, Vol. IV, pp. 212-16. [Many of these 



were collected in Colorado.] 

 , "New Species of Cerastium," Pittonia, Vol. IV, pp. 297-304. [Including several 



species from Colorado.] 

 , "Five New Species of Rumex" Pittonia, Vol. IV, pp. 304-6. [R. polyrrhizus 



collected by Mr. Osterhout from Lone Pine Creek, Larimer Co., Colo.] 

 , "Studies in the Cruciferae, IV," Pittonia, Vol. IV, pp. 307-11. [One new species 



from Colorado.] 

 , "A Fascicle of New Compositae," Pittonia, Vol. V, pp. 55-64. [Includes a 



number of specimens from Colorado.] 

 , "New Species of Eriogonum," Pittonia, Vol. V, pp. 67-71. [Certain Colorado 



species.] 

 , "New or Noteworthy Species," Pittonia, Vol. V, pp. 107-15. [Two species 



collected in Colorado.] 

 , "New Species of Polygonum," Pittonia, Vol. V, pp. 197-203. [Two species from 



Colorado.] 

 , "Certain Polygonaceous Genera," Leaflets, Vol. I, pp. 17-32, 1904. [A number 



of species from Colorado.] 



, "Some Western Buckthorns," Leaflets, Vol. I, pp. 63-65, 1904. 



, "Segregates of the Genus Rhus," Leaflets, Vol. I, pp. 115-28, 1905. [Describes 



a species from the mountain districts of Colorado.] 



, "Segregates of the Genus Rhus," Leaflets, Vol. I, pp. 129-44, 1905. 



, "New Plants from Southwestern Mountains," Leaflets, Vol. I, pp. 145-60, 1905. 



[Several species from Colorado.] 

 , "The Genus Ptelea in Western and Southwestern U. S. and Mexico," Contrib. 



from U. S. Nat. Herb., Vol. X, Part 2, pp. 49-78. [Ptelea nitens, n. sp., from canyon 



of the Arkansas above Canyon City.] 

 , "A Study of Rhus glabra," Proceedings of the Wash. Acad, of Sciences, Vol. VIII, 



pp. 167-96, 1906. 



Greene, Edward L., and Baker, Carl F., "New or Noteworthy Plants from the Gunni- 

 son Water-Shed, Colorado," Plantae Bakerianae, Vol. Ill, Fasc. I, Washington, 

 1 901. 



Greene, Edward L. (Baker, Carl F., Earle, F. S., et. al.), "Fungi to Gramineae," 



