212 38. ASPLENIUM, §§ EUASPLENIUM. 



two oblique rows, almost confined to the undivided part of the pinnae.— Hi, 

 Sp. 3. p. 160. 



Hab. Cape Colony to Natal, Mavuitius, Abyssinia, and Fernando To, 



110. A. Hallii, Hk, ; st. tufted, 1-2 in. 1., glossy, chesnut-brown ; fr. 6-12 in. 

 1., lf-2 in. br., elongated and rooting at the point ; pinnm numerous, horizontal, 

 the lower ones deflexed, 1 in. L, J-f in. br., the point bluntly rounded, the 

 upper two-thirds cut only halfway down to the rib with linear erecto-patent 

 teeth, but the lower third cut down nearly or quite to the centre ; texture 

 herbaceous ; rachis polished like the stem ; veins simple, oblique ; sori in two 

 xows.—Hk. Sp. 3. p. 202. 2ncl Cent. F. t. 30. 



Hab. Ecuador and the Amazon Valley. — The alliance of this is with ^ . proUmum, of 

 which it may be an American form, and both closely resemble the very variable A . erectwm 

 in many points. 



111. A. mucronatum, Presl ; St. tufted, slender, naked, polished, 1-2 in. 1. ; fr. 

 1 ft. or more 1., 1 in. or less br., very flaccid in habit, with very numerous pairs 

 of deflexed sessile pinnae, which are ^-f in, 1., J-f in. br., deeply pinnatifid on 

 both sides, the lobes mucronate, in the lower part reaching down nearly to the 

 rachis, the base on both sides cordate ; texture membranous ; colour bright- 



freen ; upper veins simple, distant ; sori linear-oblong, short. — Hk, Sp. 3. p. 128. 

 c. Ml. t. 917.. 



Hab.. Brazil. — A very delicate and well-marked plant. 



112. A. Upartitum, Bory ; st. tufted, 8-6 in. 1., firm, slender, greyish, naked ; 

 fr. 6-8 in. 1., 2-3 in. br., with about 10-16 conspicuously stalked pinnce on each 



side, which are I-I5 in. 1., ^f in. br., bluntish at the point, cut down at the base 

 on the upper side into one distinctly-stalked cuneate pinnl., sometimes into two 

 or three, the outer edge inoiso-crenate, the base on the lower side obliquely 

 truncate ; textwre herbaceous ; rachis compressed, winged upwards, naked ; 

 veins mostly simple ; sori in two regular rows, which reach nearly to the edge. 

 —Hk. Sp. 3. p. 178. *. 208. 



Hab. Masoaren Isles. — This comes nearest some of the divided forms of awritum, but is 

 less rigid. 



lis. A. pumilum, Sw. ; sf. tufted, 3-4 in. 1., erect, naked, polished, ebeneous 

 below ; fr. 4-6 in. each way, deltoid, the upper part sinuated only, the lower cut 

 down to the rachis into distinct pinnce, of which the lowest pair is much the 

 largest, the pinnl. on the lower side sometimes 2 in. 1., reaching down to a 

 slightly-winged rachis, acuminate and deeply lobed ; texture herbaceous ; 

 rachis green, flaccid, compressed ; sori very oblique, the lower ones sometimes 

 i-1 in. l.—Hk. Sp. 3. p. 174. 



Hab. W. Indies and Mexico to Columbia ; and a small tender form (A. tenerrimum, 

 Hochst.) has been gathered by Schimper in Abyssinia, and Dr. Kirk in Zambesi Land. — 

 A very distinct species. 



**** Fronds bi- to quadripinnate. Sp. 114-156. See also Sp. 64, 76, 88-90. 



Group of A. cuneatum. Texture coriaceous. Ultimate divisions of the frond 

 linear, or ovate-cuneate, often shining on the upper surface. Venation subflabellate, 

 Sp. 114-132. 



114. A..ffermamcum,'WeiBs; st. densely tufted, 2-4 in. 1., naked, slender, 

 ebeneous ; //■. 2-li ui ]., | l in. br., lanceolate, cut down to the rachis into a few 

 distant narrow flabellato-cuneate pinnce on each side, the lowest of which are 

 again, deeply cleft and also slightly inciso-serrate towards the point; texture 



