318 CHARACTtKS OF TEIBE5 AXD OEXEKA. 



** Vernation fasuiculaie, decuiuhent. 

 T. crispum, Liiut. (v v.^ ; T. pinuatum, HeJw. (v v.) ; T. 

 lucens, Sw. ; T. Lamhertiana, Hoolc. ; T. attenuatum, Hoot. 

 (v V.) ; T. alatum, Sir. (v v.) ; T. Bancroftii. Hoolc. (v v.) ; 

 T. crinitum, Sir. (v v.) ; T. superbum, Fad-, (v v.) 



*** VernaHoii fa.<cicidatc. rrrct. 



T. javanicnm, Bl. {v v.) ; T. Leprieurii, Ku'i>:e. (v v.) ; 

 T. rigidum, Sw. (t v.) ; T. fceniculaceum, Bonj {v v.) ; T. 

 meifolium, Bonj (v v.) ; T. polyantbos, Hool\ Ic. PI , t. i 03 ; 

 T. stricturu, Men::. ; T. gigantum, Bory ; T. Smithii, Hoi?];. ; 

 T. eloiigatum, .1. Ctinn. ^v v.) ; T. saxatile, Hoore [v v.) ; 

 T. tricbopliyllum, Moore (v v.) ; T. setigevum, Bach, (v y.) 



Obs. — I Lave above sliown that the onl_y technical 

 difference between Hiimeno]:ilnjJJn:n and Tricliuiiiane.< is tliat 

 in the latter the receptacle is prolonged beyond the spio- 

 rangia, even in some to the length of a quarter of an inch, 

 having the appearance of bristles excertcd beyond the 

 margin of the frond. 



In this country Hyrnenojjhyllaccrp is represented by three 

 species, namely, Hymenopliyllum TunlriJ'jenfe, H. loiilaterale, 

 and Trichomanes raJicaiis. They are, however, very rare, 

 being found in a few special localities ; the latter is becoming- 

 very rare in England, but is found in several localities in the 

 south of Ireland, Since the invention of Wardian cases, 

 these " Fihny Ferns " so called, have become great favourites 

 with amateur cultivators ; and the great demand for them 

 is bringing about their extermination in this country. 



TVith regard to Exotic species, in my "Catalogue of 

 Cultivated Ferns" for 1846, only two species are enume- 

 rated, which in ISGi had increased to sixty-three, as 

 recorded in " Ferns, British and Foreign," pages 2-19 and 

 324. 



