38. ASPLENIUM, EUASPLENIUM. 211 



quite entire, the upper broadest towards the base, where it is narrowed suddenly, 

 deeply incised throughout ; texture pellucido-herbaceous ; rachis glossy, chesnut- 

 brown ; sari I or rarely 2 together in the teeth. Hk. Sp. 3. p. 132. t. 175. 



Hab. Himalayas to Ceylon, Malayan Peninsula, S. E. China, Borneo. A very well- 

 marked plant, resembling in habit a dimidiate Adiantum. 



*** Pinnce cut down at any rate in the lower part nearly or quite to the rachis. 

 Sp. 105-113. See also 95. 



105. A.planicauIe,WsM. ; st. tufted, 3-G in. 1., firm, erect, greyish, nearly naked ; 

 Jr. 6-12 in. 1., 2-3 in. br., with 12-20 stalked horizontal pinnae on each side, 



which are 1-li in. 1., j-f in. br., the point acute, the edge lobed often halfway 

 down or more "and deeply inciso-serrated, the upper side narrowed and the lower 

 one very obliquely truncate at the base ; texture coriaceous ; rachis firm, com- 

 pressed, greyish ; veins very oblique ; sort copious, reaching nearly to the edge. 

 Hk. Sp. 3. p. 163. t. 200. B. 



Hab. Himalayas (ascending to 6,000 ft.), Neilgherries, Ceylon. 



106. A. ladniatum, Don ; st. tufted, 4-8 in. 1., firm, erect, greyish, often scaly ; 

 fr. 6-12 in. 1., 2-3 in. br., with 12-20 stalked horizontal pinnce on each side, 

 which are lf-2 in. 1., |-f in. br., the point acute, the edge cut down nearly or 

 quite to the rachis in the lower part into stalked ovate-rhomboid al lobes, which 

 are deeply toothed round the outer edge, the lower side very much truncated at 

 the base; texture subcoriaceous ; rachis firm, compressed, greyish; veins very 

 oblique ; sori falling short of the edge. Hk. Sp. 3. p. 164. t. 200. A. 



Hab. Himalayas (temperate region) and Japan. A more herbaceous and more deeply- 

 cut plant than the preceding, with which Mettenius unites it. 



107. A. Mssectum, Swartz ; st. tufted, 4-6 in. 1., firm, erect, chesnut-brown, 

 nearly naked ; fr. 12-18 in. 1., 4-6 in. br., with 20-30 horizontal pinnae on each 

 side, which are 2-3 in. 1., J in. br., with a very long, narrow, deeply inciso- 

 pinnatifid upper portion, the base on the upper side narrowed suddenly, on the 

 lower obliquely truncate ; texture subcoriaceous ; rachis chesnut-brown and 

 villose like the stem ; sori almost all in two parallel rows close to the midrib. 

 HL Sp. 3. p. 152. t. 192. 



Hab. West Indies and Ecuador. In texture this agrees with fbefalcatum group. 



108. A. horridum, Kaulf. ; st. strong, erect, brownish, fibrillose ; fr. 2-3 ft. 1., 

 8-12 in. br., with very numerous spreading pinnae on each side, which are 4-6 in. 

 1., f in. br. at the base, narrowed gradually to an acuminated point, cut down 

 throughout more than halfway to the rachis into nearly uniform rhomboidal 

 lobes, cordate or broadly rounded at the base on the upper, truncate in a broad 

 curve on the lower side ; texture subcoriaceous ; rachis stout, clothed with reddish- 

 brown woolly fibres ; veins oblique, usually once forked ; sori in two nearly 

 parallel lines close to the midrib, and a few also on the disk of the lobes. Hk. 

 Sp. 3. p. 153. t. 193. 



Hab. Sandwich Islands, Samoa, and Java. A well-marked plant. 



109. A. protensum, Schrad. ; st. tufted, 3-6 in. 1., erect, brownish, villose ; fr. 

 1-2 ft. L, 4-6 in. br., with 12-30 horizontal pinn.ce on each side, which are 

 2-3 in. 1., A in. br., the point acuminate, the edge sharply cut halfway down to 

 the rachis^ the two sides unequal at the base, the upper one auricled and 

 narrowed suddenly, the lower one obliquely truncate^ in a curve ; texture 

 herbaceous ; rachis firm, erect, brownish, villose ; veins inconspicuous ; sori in 



