64 UNIVERSITY OF COLORADO STUDIES 



Holm, Theodor, "On Some Canadian Species of Gentiana," Ottawa Nat., Vol. XV, 1900. 

 , "Some New Anatomical Characters for Certain Gramineae," Beth. Bot. Centralb., 



Vol. II, 1901. 

 , "Studies in the Cyperaceae, XVI, Carices physocephalae and leucocephalae," 



Amer. Journ. Sci., Vol. XIV, 1902. 

 , "Studies in the Cyperaceae, XVII, Segregates of C. tolmiei," Amer. Journ. Sci., 



Vol. XIV, pp. 417-25, 1902. 

 , "Studies in the Cyperaceae, XIX, The Genus Carex in Colorado," Amer. Journ. 



Sci., Vol. XVI, pp. 17-44. 1903. 



, "Munroa squarrosa," Bot. Gaz., Vol. XXXIX, pp. 123-37, 1905. 



, "Claytonia, a Morphological and Anatomical Study," Mem. Nat. Acad. Sci., 



Vol. X, 1905. 

 , " Commelinaceae, Morphological and Anatomical Studies of the Vegetative 



Organs of Some North and Central American Species," Mem. Nat. Acad. Sci., Vol. X, 



1906. 

 , "Botanical Excursions," Ontario Nat. Sci. Bull., No. 3, 1907. [Makes com- 

 parison of floras of Novaja Zemlja, northwest coast of Greenland and James Peak, 



Colorado.] 

 , "Carex" (Dr. Holm is joint author with P. A. Rydberg, in the account of Carex 



in the Flora of Colorado, see Rydberg) . ». 

 , "The Genus Carex in Northwest America," Beih. Bot. Centralb., Vol. XXII, 



1907. 

 , "Method of Hibernation and Vegetative Reproduction in North American Species 



of Stellaria," Amer. Journ. Sci., Vol. XXV, pp. 315-22, 1908. 



1 Studies in the Cyperaceae. XXVI. Remarks on the Structure and Affinities of 



Some of Dewey's Carices," Amer. Jour. Sci., Vol. XXVI, pp. 478-93, ic 



, "The Alpine Gramineae of Colorado," Bot. Gaz., Vol. XL VI, 1908. 



Holzinger, John M. Made collections of mosses in May and June, 1896, visiting the 

 foothills and canyons west of Ft. Collins, Pike's Peak, South Park, Palmer Lake and 

 Leadville. Sets of fifty species were distributed as "Mosses of Colorado." Some 

 new species were described from the collection by J. Cardot. 



Holzinger, John M., "Descriptions of New Plants from Texas and Colorado," Contrib. 

 from U. S. Nat. Herbarium, Vol. I, pp. 286, 287, 1893. 



Hooker, Joseph. Collected in Colorado in 1877 in San Luis Park and elsewhere with 

 Asa Gray. 



Hooker, Joseph. Joint author with Gray, Asa, which see. 



House, H. D., "Violaceae" in Rydberg's Flora of Colorado, pp. 232-34. (See Rydberg.) 



Jack, John G., " List of Trees and Shrubs Observed in the Pike's Peak, Plum Creek 

 and South Platte Reserves," 20th Ann. Report U. S. Geol. Survey, Part V. pp. 109-15 

 (Charles D. Walcott director), 1898-99. 



, "Pike's Peak, Plum Creek and South Platte Reserves," 20th Ann. Report U. S. 



Geol. Survey, Part V, pp. 39-108, 1898-99. [A somewhat general account of the 

 situation, general soil conditions, climate, rainfall and forest conditions with a descrip- 

 tion of the forest trees in the reserves. Thirty-six plates.] 



James, Edwin. Botanist of Maj. Long's exploring expedition in 1820. Visited and 

 made collections at the mouth of Platte Canyon and southward. 



