Rochefort, N. de. 



Histoire naturelle et morale des iles Antilles de I'Amerique. 

 pp. I pi. Rotterdam, 165Q. 

 2 ed. 583 pp. Rotterdam. 1665. RS-R 674 



Rogers, Julia E. 



Among green trees. 



202 pp. 25 pis. Chicago, 1902. RF-R 727 



The tree book. 



589 pp. 176 pis. New York. 1905. RF-R 727 



Ross, A. M. , ^ ^ • 



Caiiiidiaii ferns and wild flowers .... of Ontario. 

 pp. Toronto, 1873. 



The flora of Canada. 



"29 pp. Toronto, 1875.* 



Forest trees of Canada. 



6 pp. Toronto, 1875. 



Boss, Herman. 



Yesetationsbilder aus Mexiko. 

 5 pp. u. p. 1908.* 



Rotlirock, J. T. ^ ^ ^, ^„,^^, 



Botanical report, geographical explorations and surveys west of the 100th meridian. 

 (App. LL, Chief of Engineers, 1875, pp. 117-129.) 



See Report \ipon United States Geological Survey west of the 100th meridian, vol. 6. 



Flora of Alaska. 



33 pp. Washington, 1867. • 



(Ann. Rep. Smith. Institution, 1867, pp. 431-463.)* 



Preliminary report on the botany of central Colorado. 

 pp. Washington, 1874. In EO-W 342 

 (Wheeler, Geog. & Geolog. Expl. west of the 100th meridian m Ann. Rep. 

 Chief of Engineeers, pp. 21-6-2.) 



Ruffner, E. H. , , ■.^- -n ^ 



Report upon explorations and surveys in the department of the Missouri. Botany, 

 plants determined bv Professor Asa Gray, pp. 1832-1842. 

 (App. SS, Rep. Chief of Engineers, 1878.)* 



Rpiiort upon explorations and surveys in the department of the Missouri 



(App. RR, Rep. Chief of Engineers, 1877, pp. 1422-1426, Washington, 1877.)* 



Russell, A. 



Catalogue of plants. 



pp. Newbury, 1839. 



Russell, John L. . „■ , , t^ i,^ i. 



Floral calendar of the flowering plants in the vicinity ot Pittsburgh, Pa., March 



to May, 1835. 



(Hovey's Mag. Hort. Bot., pp. 331-332, 1835.) 



Notice of some rare and beautiful plants found at Hubbardston, Mass., May to 

 August, 1837. 



Notice of some plants found in this vicinity (Chelmsford), March, 1840. 

 (Hovey's Mag. Hort. Bot., VII, pp. 130-131, 1841. 



Russell, L. W. 



Native trees, a study for school and home. 



1 ed. 114 pp. Boston, 



2 ed. pp. Boston, 



3 ed. pp. Boston, 



5 ed. pp. Boston, 



6 ed. pp. Boston, 



7 ed. 114 pp. Boston, 1898.* 



Rydberg, Per Axel. 



Catalogue of the flora of Alontana and the Yellowstone Na- 

 tional Park. 



492 pp. New York, 1900. RO-R 992 



(Mem. N. Y. Botanical Garden, Vol. 1.) 



Flora of Colorado. 



448 pp. Fort Collins, 1906. RO-R 992 



(Bull. Colorado Exper. Sta., No. 100.; 



402 



