LITERATURE CITED I 



{ 



1. Brixton, N. L. and Brown, A. Illustrated flora of the northern United States, j 

 Canada, and the British Possessions. Vol. 2, page 174. 18S>7. i 



2. Covii-LE, F. V. Proc. Biol. Soc. Washington 7:78. 1893. ' 



3. Don, D. Monograph of the genus Saxifraga. Trans. Linn. Soc. 13. 1822. 'I 



4. Encxek, a. Index criticus specierum atque synonymorum generis Saxifraga. ) 

 Verh. Zool.-Bot. Ver., Wien^ Vol. 19. 1869. i 



5. . Monographie der Gattung Saxifraga. Breslau. 1872. I 



6. . Saxifragaceae, in Die NatUrlichen Pflansen Familien 3:2a:41-93. 1891. i 



7. , and Irmscher. Manuscript notes on sheets of the United States National ; 



Herbarium. - 



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 1917. 



9. Gray, Asa. Notes on a botanical excursion to the mountains of South Carolina. ! 

 London Journ. of Bot. 2:113. 1843. ', 



10. . Chloris Boreali Americana. Mem. Am. Acad. 3 :39. 1846. ' 



11. Greene, E. L. Novitates Occidentalis. Erythea 1:222. 1893. 



12. GoDRON, D. A. Flore de France. 1848-56. 1 



13. Haworth, a. H. Synopsis plantarum succulentarum. 1812. ! 



14. . Saxifragarum enumeratio. 1821. | 



15. Harshberger, J. W. Phytogeographic survey of North America. 1911. ] 



16. Hooker, W. J. Flora Bcreali- Americana. Vol. 1, pages 242-55. 1840. ; 



17. Howell, Thomas. New species of Pacific Coast plants. Erythea 8. 1895. j 



18. Ledebour, C. F. Flora Rossica. Vol. 2, pages 204-25. Stuttgart. 1844. 



19. MiCHAXJX, A. Flora Boreali Americana. Vol. 1, page 269, 1803. ' 



20. Pallas, P. S. Reise durch verschiedene Provinzen Russischen Reich, 3. 1878. 



21. Piper, C. V. Flora of Washington, Contrib. U. S. Natl. Herb. 11. 1906. 



22. . New and noteworthy northwest plants IV. Bull. Terr. Bot. Club l 



27:393. 1900. 1 



23. PuRSii, Frederick. Flora Americae Septentrionalis. Vol. 1, page 311. 1814. \ 



24. Rafinesque, C. S. Flora Telluriana 2 :68. 1836. ! 



25. Rosendahl, C. O. Die nordamerikanischen Saxifraginae u. ihre Verwantschafts 

 Verhaltnisse in bez. ihrer geo. Verbreitung. Beibl. Engl. Bot. Jahrb. 83. 1905. > 



26. Seringe, N. C. Saxifraga in DC. Prod. 4:17-47. 1839. i 



27. Small, J, K. Saxifragaceae in North American Flora 22:2:126-56. i 

 28. . Saxifragaceae in Britton and Brown, Illustrated flora. Second edition. | 



Vol. 2, pages 214-30. 1913. ' 



29. , and Vail, Anna Murray. Report of a botanical exploration of south- ; 



western Virginia. Mem. Torr. Bot. Club 5:118. 1893. | 



30. Tausch, I. F. Hortus Canalius. fasc. 1. 1823. | 



31. ToRREY and Gray, Flora of North America, Vol. 1, pages 563-76. 1838-1840. 



32. Willdenow, C, L. Linnaeus Sp, PI. Fourth edition. Vol, 2, pages 639-58. 1799. 



