N0.1228. NORTH AMERICAN FERNS— MAXON. 627 



LYGODIUM Sw. Schrud. Jouni. Bot. 1800": i()6. 1801. 



Lygodium palmatum (Bernh.) Sw, Syn. Fil. 15-1. 1800. Climbing ferx. 

 Hartford fern. Creeping fern. Windsor fern. Alice's 



FERN. 



Qisopteris palmata Bernh. Schrad. .Tourn. Bot. 1800''' : 129. 1801. 

 New Hampshire and Massachusetts to Florida. Also in Kentucky and Ten- 

 nessee. Mainly coastal. 



ORNITHOPTERIS Bernh. Schrad. Neues Jouni. Bot. 1^ iO. 

 1806. 



Ornithopteris adiantifolia (L.) Bernh. Schrad. Neues Journ. Bot. 1' : .50. 

 pi. 3. f. 15. h. 1806. 



Osmunda adiantifolia L. Sp. PI. 1065. 1753. 

 Anemia adiantifolia Sw. 8yn. Fil. 157. 1806. 

 Florida. 



Ornithopteris mexicana (Klotzsch) Underw. Our Native Ferns ed. 6. 

 76. 1900. 



Aneimia mexicana Klotzsch, Linnaca 18 : 526. 1844. 

 Western Texas. 



Family IV. OSMUNDACEAE R. Br. Prodr. Fl. Nov. Holl. 1 : UM. 



1810. 



- OSMUNDA L. Sp. PI. 1063. 1753. 



Osmunda regalis L. Sp. PI. 1065. 1753. Royal fern. Flowering fern. 

 Queen fern. Water fern. Buck-horn fern. 



Newfoundland to Florida, west to Mississippi, Nebraska, and Saskatchewan. 



Osmunda claytoniana L. Sp. PI. 1066. 1753. Interrupted fern. Clay- 

 ton's FERN. 



Osmunda interrupta Michx. Fl. Bor. Am. 2 : 273. 1803. 

 Newfoundland to Minnesota, south to North Carolina, Kentucky, and Missouri. 



Osmunda cinnamomea L. Sp. PI. 1066. 1753. Cinnamon fern. Brakes. 

 Woolly flowering-fern. Fiddle-heads. 



Labrador to Newfoundland, Nova Scotia, and Minnesota, south to Florida, 

 Louisiana, and New Mexico. The form known as var. frondosa is found 

 with the type. 



Family V. CERATOPTERIDACEAE Underw. Our Native Ferns 



ed. 6. 78. 1900. 



CERATOPTERIS Brong. Bull. Soc. Philom. 1821: 184. 1821. 



Ceratopteris thalictroides (L.) Brong. Bull. Soc. Philom. 1821: 186. 2^1" 

 [1]. 1821. Floating fern. 



Acrostichum thalictroides L. Sj). PI. 1070. 1753. 

 Florida. 



