TABLE OP GENEBA. CXXXVli. 



10. PTEBIDE.E. 

 (a) " Veins free. 



* Sort oppositely marginal and connivent on the 

 narrow segments. 



49. Onychmm, Kjft. 1820 [p. xl.] 



Crenopteris, Thunl. 1793 (reduct.) : Presl, 1849. 

 Leptostegia, D. Don, 1825. 



Sori oblong, marginal. 



50. Ochropteris, J. Sm. 1841. . . . . . [p. xli.] 



*** Sori linear, continuous, marginal. 



t Indusium subcoriaceous ; fronds vittarioid. 



51. Haplopteris, Presl, 1836 [p. xli.] 



ft Indusium membranaceous. 



52. Pteris, Lin. 1737 (emend.} [p. xliL] 



Thelypteris, Adanson, 1763. Lytoneuron, Kl. 1847. 

 Cindnalis, Gleditach, 1764. Nymphopteris, Webb et Berth. 



Oetosis, Necker, 1790. 

 Monogonia, Presl, 1836. 

 Eupteris, Agardh, 1839. 

 Ornithopteris, Agardh " 



I'U'ridupMs, iijtjfc, 1841. 



1847. 

 Maeropteris, Webb et Eerth. 



1847. 



Pycnodoria, Presl, 1849. 

 Lonchitidium, Fee, 1851. 



Eupteris, Newm. 1845. 



(b) Costal veins only arcuately anastomosing. 



53. Campteria, Presl, 1836 [p. xlii.] 



(c) Veins uniformly reticulated, without free 



included veinlets. 

 * Sori elongately lunate in the sinuses of the segments. 



54. Loncbitis, Lin. 1737 [p. xliii.] 



** Sori linear, continuous marginal. 



55. Litobrocbia, Presl, 1836 [p. xliii.] 



Histiopteris, Agardh, 1839. I Heterophlebium, Fee, 1851. 

 Doryopteris, J. Sm. 1841. | 



(d) Veins compoundly reticulated, with included 



free veinlets in the areoles. 



56. Amphiblestra, Presl, 1836 [p. xliv.] 



11. WOODWAEDIE.E. 



57. Woodwardia, Smith, 1793 [ P . xlv.] 



Doodia, B. Sr. 1810. I Anchistea, Presl, 1849. 



Lorinseria, Preil, 1849. 



