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Nephrodium Thelypteris Desv. Uncommon. Wet places bor- 

 dering Everglades. 



Nephrolepis acuta Presl. On the ground and palmetto trees, 

 in low hammocks. Sometimes 12 ft. tall. Common. 



Nephrolepis exaltata Schott. On the ground and palmettos in 

 hammocks. 



Odontosoria clavata J. Sm. {Davallia clavata Sw.). In sinks 

 in low pine woods, 12-20 miles south of Cutler; also in an old 

 well at Buena Vista. 



Ophioglossum palmatum L. About six plants on a palmetto 

 tree in Snapper Hammock, 10 miles south of Miami. The only 

 specimens found. 



Ophioglossum pusillum Nutt. In damp sand at Little River 

 and Ft. Lauderdale. 



Osmunda regalis L. Cypress-swamps and low hammocks. 



Polypodium aureum h. On trees, mostly pamottos, rarely on 

 the ground; abundant. 



Polypodium angusti folium Sw. On trees, principally live-oak, 

 in a hammock 14 miles south of Cutler. Previously collected 

 in the United States only by J. A. Layne, in the spring of 1903. 



Polypodium incanum Sw. Abundant. 



Polypodium pectinatum L. On trees and logs in a hammock 

 14 miles south of Cutler. 



Polypodium Phyllitidis L. On trees and the ground in ham- 

 mocks. 



Polypodium Swartzii Baker. On small trees in a hammock 

 east of Brown's homestead, 14 miles south of Cutler. Previously 

 reported only from Key Largo. 



Psilotum triquetrum Sw. Not uncommon on decaying wood, 

 etc., often in holes in living trees. 



Pteris caudata L. Common. 



Pteris longifolia L. Common in rough lime-rock in open 

 places. 



Selaginella arenicola Underw. Sandy pine woods at Alapattah. 



Trichomanes Kraussii, Hook. & Grev. On roots and small tree- 

 trunks in humid hammocks, 10-20 miles south of Cutler. 



Trichomanes sphenoides Kunze. In lime-sinks, hammocks, 

 10-15 miles south of Cutler 



Vittaria lineata Sw. Abundant on palmettoes. 



