Ophioglossum crotalophoroidcs Walt. Very rare. This species 

 was also recorded from New Orleans by Drummond and not 

 since collected, unless two or three specimens in the Herbarium 

 of Tulane University, marked "Vide Flora, West Louisiana." in 

 the handwriting of Dr. Hale are from the State. 



Botrychium obliquum Muhl. Common Grape fern. Not un- 

 common in moist shades. Sterile fronds not referable to B. 

 biternatum were collected by W. N. Clute at Pearl River in 1902. 



Botrychium biternatum Und. Very rare. Referred to Louis- 

 iana upon the authority of a single specimen collected by Drum- 

 mond. Prof. Cocks in several years' collecting has not found it. 

 It is reported to fruit in March and April. 



Botrychium Virginianum Sw. Rattlesnake fern. Common 

 in woods. 



OSMUNDACE.E. 



Osmunda regalis L. Flowering fern. Very abundant in wet 

 places. 



Osmunda cinnamomea L. Cinnamon fern. Very abundant, 

 growing with the preceding. 



ceratopteridace^:. 



Ccratopteris thalictroidcs Brong. Floating fern. First re- 

 corded from Louisiana by W. N. Clute. who collected it at West 

 End. near New Orleans, in October, 1901. This species -was col- 

 lected earlier near this station by Dr. J. M. Joor (1892), but not 

 reported. R. S. Cocks collected it rooting in mud shortly after 

 Dr. Joor collected it, and again at the same station in the 

 autumn of 1902. Probably it will be found to be more abundant 

 than it is now known to be. 



POLYPODIACE^. 



Polypodium incanum Sw. Gray Polypody. Abundant on the 

 trunks and main branches of trees, especially live oaks. 



Adiantum Capillus-Vcncris L. Venus-hair fern. Plentiful 

 on the walls of Girod street cemetery in New Orleans. Pos- 

 sibly the only station. 



Adiantum pedatum L. Maiden-hair fern. Riddell lists this 

 species but no recent specimens have been seen. The plant may 



