642 PROCEEDINGS OF THE NATIONAL MUSEU3L vol.xxiii. 



PHANEROPHLEBIA Pre.sl, Tent. Pteiid. 84. 1830. 



Phanerophlebia auriculata Uuderw. Bull. Torr. Clul) 26 : '212. pi. 359. 

 f. S-If.. 2)1. 360. f. 2. 1899. 



Aspidhim jtiglandifolhim in part of recent authors, not Kunze; Klotzsch, Lin- 

 naea 20 : 363. 1847. 

 Arizona to Texas. 



TECTARIA Car. Descr. PL 249. 1802. 



Tectaria trifoliata (L.) Cav. Descr. PI. 249. 1802. 

 Poh/jwcUum trifoUaium L. Sp. PI. 1087. 1753. 

 Aspklmm irifoUatum Sw. Sehrad. Journ. Bot. 1800- : 30. 1801. 

 Dn/opteris trifoliata Kuntze, Eev. Gen. PI. 2:814. 1891. 

 Florida and -western Texas. 



NEPHROLEPIS Schott, Gen. Fil. 1834. 



Nephrolepis exaltata (L.) Schott, Gen. Fil. 1834. Sword fern. 

 Pohjpodium e.raUotum L. Sja. PL ed. 2. 1548. 1763. 

 Aspidium exaltatum Sw. Sehrad. Journ. Bot. 1800^:32. 1801. 

 Florida. 



Nephrolepis biserrata (Sw.) Schott, Gen. Fil. 1834. 



Asj)idinm hi-'^crndtim Sw. Sehrad. Journ. Bot. 1800^ : 32. 1801. 

 Aspidium acutum Sw. Syn. Fil. 46. 1806. 

 Nephrolepis acuta Presl, Tent. Pterid. 79. 1836. 

 Southern Florida. 



FILIX Adans. Fam. PI. 2 : 20. 1763. 



Filix bulbifera (L.) Underw. Our Native Ferns ed. 0. 119. 1900. Blad- 

 der-fern. 



Folypodium hulbiferum L. Sp. PI. 1091. 1753. 



Cystopteris hulhifera Bernh. Sehrad. Neues Journ. Bot. 1- : 26. 1806. 

 Newfoundland to ^Manitoba and Iowa, south to North Carolina, Alabama, and 

 Arkansas. Also in Alaska. 



Filix fragilis (L.) Underw. Our Native Ferns ed. 6. 119. 1900. Brittle 

 FERN. Brittle bladder-fern. 



Folypodium fragile 1j. Si?. PI. 1091. 1753. 



Cystopteris fragilis Bernh. Sehrad. Neues Journ. Bot. 1-: 27. 1806. 

 Newfoundland and Labrador to Alaska, south to southern California, Arizona. 

 Kansas, Alabama, and Georgia. Extremely polyniorijhic, but apparently 

 l»iesenting no geographic subspecies. Also in Greenland. 



Filix montana (Lam.) Underw. Our Native Ferns ed. 6. 119. 1900. 

 Folypodium montanum Lam. Fl. Franc. 1 : 23. 1778. 

 Cystopteris montana Bernh. Sehrad. Neues Journ. Bot. 1" : 26. 1806. 

 Labrador and Quebec to British Columljia and Alaska, south to the northern 

 shore of Lake Superior. Also in Colorado. Bare. 



