FERNS AND FERN ALLIES 397 



Maxon, W. R. 



igoo A list of the Pteridophyta collected in Alaska in 1900 by Mr. J. 13. Flett. 

 Bull. Torrey Bot. Club 27. 



1901 List of the ferns and fern allies of North America. Proc. U. S. Nat. 

 Mus. 23. Cited as "List." 



Merriam, C. Hart. 



1892 Plants of the Pribilof Islands, Bering Sea. Proc. Biol. Soc. Wash. 7. 



(The ferns listed after Vasey. ) 

 Milde, J. 



1869 Botrychiorum monographia. Verhandl. zool.-bot. Gesellsch. in Wien. 19. 

 1867 Filices Europse et Atlantidis. Lipsise. 



1865 Monographia Equisetorum. Dresden. Verhandl. K. Leop. Carol, 

 deutsch. Akad. 32*. 



Moore, T. 



1857 Index filicum. London. 



Muir, J. 



1883 Botanical notes. Cruise of the revenue steamer Corwin in Alaska and 

 the N. W. Arctic Ocean in 1881. Washington. 



Ostenfeld, C. H. 



1902 Flora Arctica. Copenhagen. 



Presl, C. B. 



1845 Supplementum tentaminis pteridographite. Pragae. Acta Soc. Reg. 

 Bohem. Scient. V. 4. 



1836 Tentamen pteridographire. Pragae. 



Rothrock, J. T. 



1872 Sketch of the flora of Alaska. Ann. Rept. Smithsonian Inst. 1867. 

 Washington. 



Ruprecht, F. J. 



1857 Bemerkungen liber einige Arten der Gattung Botrychium. Melanges 

 Biol. 3. Beitrage zur Pflanzenkunde des Russischen Reiches, n : 31. 

 1859. 



1846 Symbols ad historiam et geographiam plantarum Rossicarum. Pe- 

 tropoli. (Part 2 of this, " Distributio cryptogamarum vascularium in 

 imperio Rossico," pp. 69-124, is frequently cited apart, under a repag- 

 ination.) 



Spring, A. 



1842, 1849 Monographic de la famille des Lycopodiacees. Bruxelles (i) 1842, 

 (2) 1849. Mem. Acad. roy. de Bruxelles, 15, 24. 



Underwood, L. M. 



1900 Our native ferns and their allies. 6th ed. New York. 



Vasey, G. 



1890 Scientific results of explorations by the U. S. Fish Commission steamer 

 Albatross, VI. List of the plants collected in Alaska in 1889. Proc. 

 U. S. Nat. Mus. 12. 



