107 



Osmunda, L. — cont. 



0. claytoniana, L. North America, Himalaya. 



O. int&rrupta, Michx. See claytoniana. 



O. japonica, Thunb. See regalis. 



0. javanica, Bl. From Kamschatka to Java. 



0. ::= regalis, L. North and South temp, regions. Hook. 

 Brit. Ferns, t. 45. 



var. japonica, Milde. Japan. 

 O. spectabilis, Willd. See regalis. 



Paesia. See Pteris. 



Paragramma. See Polypodium. 



Parkeria. See Cei*atopteris. 



Pellaea, Link. 



P. adiantifolia, Hort. See hastata. 



P. atropurpurea, Link. North and Central America. 

 Lowe, Ferns, iii. t. 30. 



P. cordata, J. Sm. Mexico, Western South America. 

 Allosorus cordatus, Presl ; Bot. Mag. t. 4698. 



var. flexuosa, Baker. Western South America. 

 Allosorus Jlexuosus, Kaulf. ; Bot. Mag. t. 4762. 



P. densa, Hook. North America. 



P. falcata, Fee. Tropical Asia and Australia. 



P. geraniifolia. Fee. Tropics. Pteris geranii/olia, 

 Radcli ; Hook. Ic. PL t. 915. 



P. gracilis, Hook. Northern Asia, North America. 



P. hastata, Link. Tropical and South Africa. Hook. 

 Fil. Exot. t. 50. 



* For garden varieties, xee p. 170. 



