216 FERNS I BRITISH AND FOREIGN. 



49. A. flabellifolium, Gav. ; Sw. Syn. Fil. t. 3, /. 2 ; Lodd. 



Sot. Gab. 1. 1567 ; Hook. Ex. Fl. t. 208 ; Lowe's Ferns, 

 5, t. 1 B. Australia, Tasmania. 



50. A. obtusilobum, Hook. Ic. Plant. 1000. Fiji Islands. 



51. A. cicutarium, Sw. (Plum. Fil. t. 48 A); Hook. Gen. 



Fil. t. 6 ; Metten. Fil. Hort. Lips. t. 13, /. 3-9 ; Lowe's 

 Ferns, 5, t. 20. Darea cicutaria, Sin. Asplenium 

 dissectum, Link. Tropical America. 



52. A. myriophyllum, Presl, Reliq. Hcenk. Caenopteris 



myriophylla, Sw. A. cicutarium, /. Sm. Cat. (1857) ; 

 Hook. Sp. Fil. 3, p. 201 (non Linn.). West Indies, 

 Tropical America. 



53. A. divaricatum, Kunze ; Schk. Fil. Supp. t. 139. A. 



flabellulatum, Hort. Peru. 



54. A. rhizophorum, Linn. ; Hook. Sp. Fil. 3, t. 187 A. A. 



radicans, Sw. ; Lowe's Ferns, 5, t. 12 B a. var. bipin- 

 natum, Hook. Sp. Fil. t. 187 C, b. A. cyrtopteron, 

 Kunze ; Hook. Sp. Fil. t. 187 B ; Metten. Fil. Hort. 

 Lips. t. 10, /. 3-4. Venezuela and Jamaica. 



55. A. cirrh.atum, Rich. ; Willd. A. Karstenianum, Klot. A. 



comptum, Moore et Houlst. Tropical America. 



56. A. rachirhizon, Radd. Fil. Bras. t. 56; Lowe's Ferns, 5, 



t. 34. Tropical America. 



57. A. pinnatifidum, Nutt. ; Hook. Ic. Plant, t. 972 ; Metten. 



Fil. Hort. Lips. 1. 10, /. 1, 2 ; Lowe's New Ferns, t. 4 B. 

 United States. 



9. Adiantum nigrum group. 



Vernation fasciculate, erect or decumbent. Fronds bi-tripinnate ; 

 ultimate segments or lacinice with two or more sori. (Tarachea, 

 Presl.) 



58. A. Adiantum-nigrum, Linn. ; Bolt. Fil. 1. 17 ; Schk. Fil. 



t. 80; Eng. Bot. t. 1950; Lindl-._ and Moore's Brit. 

 Ferns, t. 36 ; Sowerby's Ferns, t. 28 ; Hook. Brit. 

 Ferns, t. 28 -33 ; Lowe's Ferns, t. 25. Europe, South 

 Africa, Madeira, North India. 



