49 



Blechnum, L. — cont. 



B. trilobum, Presl. See hastatum. 



B. unilaterale, Willd. West Indies, Tropical America. 



Bolbitis. See Acrostichum. 



Botrychium, Sw. 



B. ternatum, Sw. North and south temp, zones. 



var. dissectum, Baker. North America, New 

 Zealand. 



B. virginianum, Sw. North temp, zone, Trop. America. 

 Hook. Gard. Ferns, t. 29. 



Brainea, Hook. 



B. insignia, Hook. Fil. Exot. t. 38. Hong Kong and 



Khasia. 



Caenopteris. See Asplenium. 

 Callipteris. See Asplenium. 

 Campyloneuron. See Polypodium. 

 Campteria. See Pteris. 

 Camptosorus. See Scolopendrium. 



Ceratopteris, Brongn. 



C. thalictroides, Brongn. Tropics. Parkeria pteridoides, 



Hook & Grev. Ic. Fil. t, 97 ; Hook. Exot. Fl. iii. 

 t, 231. 



Ceropteris. See Gymnogramme. 

 Ceterach. See Asplenium. 



