218 38. ASPLENIUM, EUASPLENIUM. 



fr. 12-18 in. 1., 6-9 in. br., ovate-deltoid, bipinnate, with 9-12 pinnce on each side, 

 the lower ones subdeltoid, 4-6 in. 1., 2 in. br. ; lower pinnl. stalked, ovate- 

 rhomboidal, with the outer edge toothed and the base on the lower side truncate 

 in a curve, sometimes lobed in the lower part ; texture herbaceous ; rachis firm, 

 naked ; veins rather close, once or twice forked ; sori in two nearly regular 

 rows. /3, crenatifolium, Hk. ; pinnce cut down in the lower part into spathulate 

 vinnl.Hk. Sp. 3. p. 184. A. Lindeni, Hk. Sp. 3. p. 185. t. 209. 



Hab. Brazil, Venezuela, Ecuador. 



141. A. Jamesoni, Hk. ; st. 6-12 in. 1., firm, erect, angular, the lower part 

 clothed with large brown deciduous scales ; fr. 1-2 ft. or more 1., 9-12 in. br., 

 with numerous pinnce on each side, the lower ones 6-9 in. 1., 3-4 in. br., cut 

 down to a broadly-winged rachis into deltoid pinnl., which are again deeply 

 pinnatifid ; ult. segm. oblong or spathulate ; texture herbaceous ; main rachis 

 firm, compressed and winged upwards ; veins distant ; sori large, oblong, prin- 

 cipally in two lines close to the midrib and nearly parallel with it. Hk. Sp. 3. 

 p. 184. t. 205. 



Hab. Andes of Ecuador, Jameson, Spruce, 5627. 



142. A. acuminatum, Hk. & Arn. ; st. subtufted, 6-9 in. 1., strong, erect, 

 greyish, deciduously paleaceous ; fr. 1-2 ft. 1., 9-12 in. br., with very numerous 

 close-placed lanceolate-oblong pinnce on both sides, which are 4-6 in. 1., 1^-2 in. 

 br., cut down to the rachis into numerous unequal-sided lanceolate pinnl., which 

 are acuminate at the apex, with the edges sharply toothed or even lobed below, 

 the. lower base obliquely truncate ; texture coriaceous ; rachis strong, erect, 

 greyish ; veins fine, close, deep-channelled ; sori in two rows in the upper part of 

 the pinnl., often diplazioid. Hk. Sp. 3. p. 183. t. 206. A. polyphyllum, Presl. 



Hab. Sandwich Islands. Intermediate between A . bulbiferum and cuneatum. 



143. A. squamosum, Linn. ; st. stout, erect, 12-18 in. 1., clothed with large 

 brown scales below ; fr. 3-6 ft. 1., 12-18 in. br., with numerous pinnce on each 

 side, the lower ones 3-4 in. apart and horizontal, 6-9 in. 1., 4-6 in. br., cut down 

 to a compressed and winged rachis into numerous stalked pinnl. on each side, 

 which are ovate-rhomboidal, 2-3 in. 1., l-l in. br., the apex acuminated, the 

 edge crenate, the base on the lower side truncate in a curve ; texture rather 

 thinly herbaceous ; main rachis compressed and channelled ; veins oblique, the 

 lateral ones usually twice forked ; sori few, principally near the midrib. 

 Hk.Sp.S.p. 186. .210. 



Hab. West Indies, Venezuela, and Ecuador. Easily recognized by its large size and 

 ample pinnules. 



144. A. lulbiferum, Forst. ; st. tufted, 6-12 in. 1., firm, erect, greyish, scaly at the 

 base ; fr. 1-2 ft. 1., 8-12 in. br., oblong-deltoid, with numerous horizontal pinnce 

 on each side, which are often proliferous from the upper surface, the largest 

 4-8 in. 1., 1^-2 in. br., cut down to a compressed winged rachis into numerous 

 lanceolate-deltoid pinnl., which are again cut down into slightly-toothed linear- 

 oblong segm. \-\ in. 1., 1 lin. br. ; texture herbaceous ; rachis firm, sometimes 

 pendulous ; veins fine, pinnate ; sori oblong, when mature often filling the whole 

 breadth of the segm. Hk. Ic. t. 423. (3, A. laxum, R. Br. ; habit more slender ; 

 segm. narrow, so that the sori are often as if marginal. y, A. Fabianum, Homb. 

 and Jacq. ; lower segm. deeply pinnatifid, with narrow divisions and submarginal 

 sori. Hk. Sp. Fil. 3. p. 196. 



Hab. New Zealand, Australia, New Caledonia, Penang, Samoa, N. India, Mexico, 

 Guatemala, Bourbon, Seychelles, Johanna Island, Natal. A. Merten&ianum, Kze., from 

 Bonin, and A. Shuttkworthianum, Kze., are both apparently large quadripinnatifid forms 

 of this with quite marginal sori. 



