AN ENUMERATION OP CULTIVATED FERNS. 



205 



feet long. Veins reticulated, or the exterior venules free ; the 

 costal anastomoses transverse, elongated, and sporangiferons. 

 Receptacles elongated, medial, constituting a costal row of 

 oblong, linear, contiguous sori. Sporangia immersed. Indu- 

 slum vaulted, revolute. 



1. W. radicans, 8m.; ScJik. Fil 1. 112; Hoolc.Gen.Filt.17', 



Lowe's Ferns, 4, t. 44. Blechnum radicans, Linn. 

 Woodwardia stans, Sw. /3 confluens. Woodwardia 

 confluens, Hort. South Europe, North India, 

 Madeira, California. 



2. W. orientalis, Sw. W. 



Fortunei, Hort. Angl. 

 Japan and China. 



3. W. Japonica, Sw. Blech- 



num Japonicum, 

 Linn. ; Thurib. Fl. 

 Jap. t. 35. Japan 

 and China. 



105. ANCHISTEA, Presl. f/J 



Vernation uniserial ; sar- * 

 mentum hypogseous. Fronds 

 bipinnatifid, 1-2 feet high. 

 Veins flabellately forked, free 

 exteriorly ; the lower venules 

 transversely anastomosing and 

 sporangiferous. Receptacles 

 elongated, medial. Sori oblong, 

 contiguous, in a continuous 

 costal row. Indusium linear, 

 plane 



1. A. Virginica, Presl. 

 Blechnum Yirgini- 

 cum, Linn. Wood- 

 wardia Yirginica, 8m.; 

 Metten. Fil. Hort. 

 Lips. t. 6,/. 1,2; Lowe's 



4, t. 45. Genug 105< _ Fertilc pinna> ^dey 8id e. 

 North America. T. NO. i 



