38. ASPLENIUM, EUASPLENIUM. 217 



135. A. incisum, Thunb. ; st. tufted, 1-3 in. 1., polished, chesnut-brown ; fr. 

 6-12 in. 1., 3^-2 in. br., with numerous pinnce on each side, the lower distant and 

 blunt, the central ones lanceolate-deltoid, 1 in. 1., ^ in. br., cut down to the 

 rachis into numerous ovate-rhomboidal pinnl., much truncated at the base on 

 the lower side and deeply inciso-pinnatifid ; texture thinly herbaceous ; rachis , 

 greenish above, compressed, flaccid ; veins one to each tooth ; sori linear-oblong, 

 one to each vein. A. elegantulum, Hk. Sp. 3. p. 178. 2nd Cent. F. t. 28. 



Hab. Japan (common), Tsus-Sima, Chusan, W. China. Yery near A, lqnceolatum,]mt 

 narrower in outline, and thinner in texture. 



136. A. lanceolatum, Huds. ; st. tufted, 3-4 in. L, naked, glossy, chesnut- 

 coloured ; fr. 6-9 in. 1., 2-4 in. br., with numerous pinnce on each side, the lower 

 ones distant, 1-1| in. 1., J-f in. br., cut down to the rachis into numerous oblong- 

 rhomboidal pinnl., which are truncate on the lower side, sharply toothed and 

 often broadly lobed below ; texture herbaceous ; rachis firm, erect, green or 

 tinged with chesnut ; veins fine, the lateral ones usually once forked ; sori 

 copious, when mature covering nearly the whole under surface. Hk. Sp. 3. 

 p. 190. Brit.F.t.32. 



Hab. South-west of Europe ; England to Greece, Algiers, Madeira, Azores, St. Helena. 

 A. obovatum, Viv. (Hk. & Gr. t. 147), is a less divided southern form with obovate 

 pinnules. 



Group of A. lulbiferum. Venation pinnate. Fronds \ ft. or more long. 

 Ultimate divisions ample, herbaceous. Sp. 137-144. 



137. A. angustatum, Presl ; st. 6-12 in. 1., naked, greyish or ebeneous below ; 

 fr. 6-12 in. 1., 4-6 in. br., with numerous pinnce on each side, the lower ones 



deltoid, 2-4 in. 1., 1^-2 in. br., lobed and pinnatifid on the upper, cut down below 

 into distinct inciso-crenate ovate-rhomboidal or spathulate pinnl. -f in. br. ; 

 texture herbaceous ; rachis naked, compressed and winged upwards ; veins 

 pinnate ; sori linear, falling considerably short of the edge. Mett. Aspl. 177. 

 non Desv. Sf Bl. 



Hab. Brazil. This is nearest A. adiantoides, but considerably less compound, with 

 blunt sessile subspathulate pinnules. 



138. A. adiantoides, Raddi ; st. tufted, 6-12 in. 1., naked, grey, firm ; fr. 

 12-24 in. 1., 8-15 in. br., deltoid, quadripinnate ; lower pinnce distant, deltoid, 

 6-9 in. 1., 4-6 in. br., with numerous stalked deltoid pinnl. on each side ; seam. 

 deltoid, cut down nearly or quite to the rachis ; ult. divisions cuneate-spathulate, 

 deeply flabellately cut ; texture herbaceous ; rachis firm, naked ; veins one to 

 each ult. division ; sori copious, linear. Hk. Sp. 3. p. 186. 



Hab. Jamaica and Brazil. Distinguished in the group by its distant long-stalked 

 pinnae and pinnules. 



139. A. Wardii, Hk. ; st. 6-9 in. 1., erect, slender, polished, greyish, scaly 

 towards the base ; fr. 12-15 in. 1., 10 in. br., deltoid, with numerous lanceolate 

 pinnce on each side, the lowest 5 in. 1., 1^ in. br., cut down to the rachis into 

 numerous ovate-rhomboidal pinnl., which are f in. 1., ^ in. br., the point blunt, the 

 two sides unequal, the upper one auricled, the lower one obliquely truncate at the 

 base, the edge very slightly crenate ; texture thinly herbaceous ; rachis slender, 

 polished, greyish ; veins conspicuous, the central lateral ones twice forked ; 

 sori in two regular oblique rows near the midrib. Hk. Sp. 3. p. 189. 2nd Cent. 

 F. t. 33. 



Hab. Island of Tsus-Sima, Wilford, 717. A very distinct species. 



140. A. pseudo-nitidum, Raddi ; st. 1 ft. 1., polished, glossy, purplish-black ; 



2 E 



