/ / 



38. ASPLEKTDir, §§ EUASPLESIL'JI. 199 



•f-H" PinncB numerous, linear or linear-oblong, usually ample, acute or acuminate, 

 Sp. 47-103. 



A. Group of A. salidfolium. Pinnm equal or nearfy so on both sides at the base. 

 Sp. 47-60. 



47. A. angustifolium, Mich. ; gt. tufted, 1 ft. or more I., erect, brownisli, slightly 

 scaly below ; fr. 18-24 in. 1., 4-6 in. hr., lanceolate-oblong, flaccid, with 20-30 

 subsessile horizontal ^nnte on each side, the sterile ones the largest, 3-4 in. 1., 

 \ in. br., acuminata at the point, the edge obscnrely crenate, the base ronnded 

 and equal on both sides ; fertile pinme narrower and more distant ; texture thinly - 

 herbaceous ; 'Bems sometimes twice forked ; sari very close and regular, extending 

 from the midrib nearly to the edge. — tiJc. Sp. 3. p. 115. 



Eab. Canada, southward to the Sonthem United States. — A very distinct species. 



48. A. muhUineatum, Hk. ; St. 6 in. 1., firm, erect, naked, greyish-green ; fr. 

 12-18 in. 1., 6-8 in. br., oblong-lanceolate, with a long luiear-lanceolate terminal 

 pinna and 9-18 lateral ones on each side, which are 4-6 in. 1., ^J in. br., the 

 point acuminate, the edge faintly toothed, but the point more deeply, the base 

 ouneato-truneate with a short petiole ; texture herbaceous ; colour dark-green ; 

 rachis naked ; veins mostly simple, with sori on each reaching from the midrib 

 to the edge. — St. Sp. 3. p. 102. 1. 183. A. distans. Brack. A. remotnm, Moore. 



Hab. Samoa and Fiji. — Characterized by its dmple veins, which branch from the 

 midrib at an angle of firom 70 to 80, and close regular ro^s of son. Mr. Powell has 

 found it with bipinnatifid sterile fi'onda. 



49. A. hngissimum, Blume ; st. tufted, 3-12 in. ]., strong, erect, blackish, nearly 

 naked ; fr. 2-3 ft. 1., 4-6 in. br., lanceolate elongate, proliferous and rooting at 

 the apex, with very numerous horizontal pinnce on each side, which are 2-3 in. 1., 

 ^-§ in. br., the point acuminated, the two sides nearly equal, with a distinct 

 central midrib, the edge slightly toothed, the base on both sides often auricled ; 

 feature herbaceous ; rachis dark-coloured, strong, slightly villose ; veins forked, 

 oblique ; sori numerous, in 2 regular rows on each side the midrib dnd reaching 

 nearly to the edge.— Hi. Sp. 3. p. 149. t. 190. 



Hab. Java, Borneo, Malacca, Mauritius. 



50. A. Wightianum, WalL ; st. tufted, 6-9 in. L, greenish, naked ; fr. 12-18 

 in. L, 6-8 in. br., oblong-lanceolate, with 6-9 pinnce on each side, which are dis- 

 tinctly stalked, and the lowest 2 in. apart, 5-6 in. 1., ^-f in. br., the point acumi- 

 nated, the edge irregularly crenate, the base gradually truncato-cuneate, equal 

 on both sides ; texture coriaceous ; colour pale-green ; rmns inconspicuous, distant, 

 often forked ; sori distant, falling short of i£e edge. — Hi. Sp. 3. p. 105. 1. 167. 

 A. longipes, .fge, Hk. Sp. 3. p. 106. 



Hab. Madras and Ceylon, A Dareoid form is figured by Beddome. 



51. A. sumatranum, Hk. ; st. 6-9 in. 1., firm, erect, grey, naked ; fr. 18 in. 1., 

 6 in. br., with a long narrow linear terminal pinjia and 6 erecto-patent ones on 

 £ach side, which are 6 in. 1., f in. hr., the point acuminate, the lower part ob- 

 scurely undulated, the upper part crenate, the base equally truncato-cuneate 

 on both sides, decurrent so as to form a distinctly-marked wing to the rachis in 

 the upper part ; texture very coriaceous ; veins very oblique, usually once forked ; 

 sori long, reaching nearly from the midrib to the edge. — Hk. Sp. 3. p. 110. 

 «. 168. 



Hab. Sumatra, Tesckemacher. 



52. A. saUgnum, Blume ; si. 4r6 in. 1,, slender, naked ; fr. 6 in. 1., abont 6 in. 



