Benedict : The genus Ceratopteris 475 



mostly in the quieter reaches near shore, but sometimes well out 

 in the current. The plant does not float except possibly in its 

 juvenile stage of growth. 



In the synonymy which follows, the species recognized as valid 

 are indicated in small capitals, the names which deserve further 

 investigation are in Roman and the straight synonyms are in italics : 



Ceratopteris Brongn. Bull. Sci. Soc. Philom. 1821 : 186. 

 1821. 



Teleozoma R. Br., Richardson in Franklin, Narrative of Jour- 

 ney, 767. 1823. 



Ellobocarpus Kaulf. Enum. Fil. 147. 1824. 



Parkeria Hook. Exot. Fl. 2: pi. 147. 1825. 



Furcaria Desv. Mem. Soc. Linn. Paris 6: 292. 1827. 

 Ceratopteris cornuta Le Prieur, Ann. Sci. Nat. I. 19 : 103. 

 pi. 4, A. 1830. 



Pteris cornuta Pal. de Beauv. Fl. Owar. 1 : 63. pi. 37. 

 1807 (?). (Type from Wari [Owari] , West Africa.) 



Ellobocarpus coruutus Kaulf. Enum. Fil. 148. 1824. 



Furcaria cornuta Desv. Mem. Soc. Linn. Paris 6 : 292. 1827 



Onychium cornutum Hasskarl, Tijdschr. Nat. Gesch. 10: 115. 



1843- 

 Ceratopteris Gaudichaudii Brongn. Bull. Sci. Soc. Philom. 1821 : 



186. 1 82 1. (Type from the Marianne Islands.) 

 Ceratopteris Lockharti Kunze, Linnaea 23: 241. 1850. 



Parkeria Lockharti Hook. & Grev. Ic. Fil. //. 97. 1828. 

 (Type from lakes near Arima, Trinidad.) 



Ceratopteris pteridoides Hieronymus, Bot. Jahrb. 34: 561. 

 1905. 

 Parkeria pteridoides Hook. Exot. Fl. 2 : pi. 147. 1825. 



(Type from British Guiana, Essequibo, Parker.) 

 Ceratopteris Parkeria J. Smith, Jour. Bot. Hook. 4 : 70. 1841. 

 Ceratopteris Richardii Brongn. Diet. Class. Hist. Nat. 3 : 351. 

 1823. 



Ceratopteris thalictroides Brongn. Bull. Sci. Soc. Philom. 

 1821 : 186. /. j, 4. 1821. 

 Acrostichum thalictroides L. Sp. PI. 1070. 1753. (Type from 

 Ceylon.) 



