AN ENUMERATION OP CULTIVATED EJSENS. 



199 



101. DOODIA, B.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 sori. Indusium 

 plane. 



1. D. aspera, B. Br. ; Sooh. Fxot. Fil. t. 8 



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

 t. 30. — Australia. 



2. D. blechnoid.es, A. Gunn. ; Metten. Fil. 



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

 Lowe's Ferns, 4, t. 32 ; /. 8m. in Loud. 

 Sort. Brit. — Australia. 



3. D. lunulata, B. Br. in Serh. Brit. Mus.; 



Lowe's Ferns, 4, t. 31 B. — New 

 Zealand. 



4. D. caudata, B. Br. ; Sooh. Fxot. Fil. t. 25 ; 



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

 Kaulf. — Australia. 



5. D. linearis. Vernation fasciculate, erect, becoming caaspi- 



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

 siuuose-pinnatifid below, subentire above ; the fertile 

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

 confluens, Sort. — New Caledonia. (G. Iloore.) 



6. D. dives, Eunze, Fil. t. 105.— Ceylon. 



Genus 101. — 

 Fertile pinna, 

 underside. No. 1. 



102. LOMARIA, Willd. 



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, 



