AN ENUMERATION OF CULTIVATED FEENS. 223 



14. D. costale, Presl. Asplenium costaJe, 8w. Diplazium 



fabffifolium, /. Sm. Ms. in Herb. — West Indies. 



** Vernation demrtibent. 



15. D. sylvaticum, Sw. ; Sdhh. Ml. t. 85 B ; Lowe's Ferns, 



5, *. 49. Callipteris sylvatica, Bm-y. Aniaogonium 

 sylvaticum, Hooh. Oen. Fil. t. 56 B. Asplenium 

 acuminatum. Wall. Diplazium acuminatum, Presl ; 

 J. Sm. Oat. Cult. Ferns (1857).— East Indies. 



16. D. dilatatum, Bhrnie. — East Indies, Malayan -Islands. 



17. D. arborescens, Sw. ; J. Sm. Oat. Fil. Sort. Kew. (1856). 



Asplenium arborescens, Metten, Fil. Sort. Lips. 1. 13, 

 /. 19, 20.- St. Helena. 



18. D. decussatum, /. Sm. ; Lowe's Ferns, 5, t. 50. Asple- 



nium decussatnm. Wall. D. Lasiopteiis, Ktmxe. — 



Bast Indies. 



19. D. Th'waitesii, /. Sm. Asplenium Thwaitesii, A. Br. ; 



Hook. 2nd Cent. Ferns, t. 45. — Ceylon. 



20. D. thelypteroides, Presl ; Lowe's Ferns, 5, t. 51. Asple- 



nium thelypteroides, Michx.; Schk. Fil. t. 76 B. — 

 North America. T. 



■f-j- Fronds deltoid, deconvpound. 



21. D. Franconis, Ideb. Asplenium 'S'ia,ncoma,Metten.Asplen. 

 p. 66, /. 5,/. 30. — Mexico, Jamaica. 



112. SCOIiOPENDRIUM, Sm. 



Vernation fasciculate, erect. Fronds simple entire, lobed, or 

 pinnate; frequently abnormally forked, plain, undulate, or with 

 a comose, crested apex ; from 6 inches to 2-3 feet long. Veins . 

 forked ; venules free, the superior and inferior branch of each 

 fascicle contiguous, parallel, and sporangiferous on their proxi- 

 i^ate sides, oonstituting1wohnear,,confluent son, each furnished 

 with a linear indusium, the free margins of which connive. 



