AN ENUMERATION OF CULTIVATED TERNS. 



199 



101. DOODIA, R.Br. 



"Vernation fasciculate, erect. Fronds pinnatifid or subpinnate, 

 the fertile sometimes subcontracted; segments 

 serrate or spinulose. Veins forked, the lower 

 venules transversely anastomosing and sporan- 

 giferous. Receptacles medial,- elongated, consti- 

 tuting one, or sometimes two, transverse rows of 

 oblong, straight, or arcuate son. Indusium 

 plane. 



1. D. aspera, R. Br. / Hook. Exot. Fil. t. 8 



Hook. Gen. Fil. t. 54 ; Lowe's Ferns, 4, 

 t. 30. Australia. 



2. D. blechnoides, A. Cunn.; Metten. Fil. 



Hort. Leip. t. 6, /. 3. D. maxima, 

 Lowe's Fei-ns, 4, t. 32 ; /. Sm. in Loud. 

 Hort. Brit. Australia. 



3. D. lunulata, R. Br. in Herb. Brit. Mus. ; 



Lowes Ferns, 4, t. 31 B. New 

 Zealand. 



4. D. caudata, R. Br. ; Hook. Exot. Fil t. 25 ; 



Lowe's Ferns, 4, t. 31 A. D. rupestris, 

 Kaulf. Australia. 



-5. ID. linearis. Vernation fasciculate, erect, becoming caespi- 

 tose. Fronds linear, 6-10 inches long ; the sterile 

 sinuose-pinnatifid below, subentire above ; the fertile 

 linear, anfractose, rachiform, erect. D. caudata, var. 

 connuens, Hort. New Caledonia. (C. Moore.) 



6. D. dives, Kunze, Fil. 1. 105. Ceylon. 



Genus 101. 

 Fertile pinna, 

 underside. No. I. 



102. LOMABIA, Wittd. 



Vernation uniserial and sarmentose, or fasciculate, erect, 

 caespitose, or sometimes subarboreous. Fronds simple pinna- 

 tifid, or pinnate, rarely bipinnatifid, 1-3 feet high, the fertile 

 .always contracted. Veins (of the sterile frond) forked ; venules 

 free, their apices usually clavate ; fertile segments rachiform, 



