268

ASPLENIUM, § ANXSOGONIUM.

2 broad oblong-lanceolate acuminate slightly falcate entireobliquely subcuneate at, the base, terminal pinna the largest10 inches long, veins obliquely patent fascicled 2-3 times ormore forked anastomosing towards the margin, sori copiousnarrow-linear frequently diplazioid often extending from thecosta to near the margin free (not anastomosing) parallel, in-volucres extremely narrow.—Diplazium alismaefolium, Pr.Rel. Hank, i . p. 49. t. 8./. 3 ( frond simple). Callipteris andQxygonium, J. Sm. Aspl. Cumingii, Metten . Fil. Hort. Lips,p. 74. t. 12. f. 5. Asplen.p. 170. Ochlogramme, Pr. Epim.Bot. p. 94. Pteriglyphis elegans, Fee, Gen. Fil. p. 220. t.18 B, I.

Hab. Malay Islands, Sorzogon, HanJce. Luzon , Cuming , n. 116.—A very fineand distinct species, bearing simple and pinnated fronds, often from the samecaudex.

299. A. (Anisogonium) elegans , Mett.; caudex short erectwith copious wiry roots, stipites tufted 5 inches to a spanlong scaly at the base, fronds subcoriaceous from 6-10 incheslong and then entire broad-lanceolate much acuminated andserrated towards the apex, or hastate with two spreading ob-tuse lobes at the base, or 1-2 feet and more long pinnatedwith several lateral (4-10) subopposite oblong-lanceolate ses-sile pinnae often a foot to 16 inches long 2 inches wide sub-cuneate at the base, terminal one long-petiolate larger thanthe rest, veins subhorizontally spreading fasciculate twice orthrice or more forked here and there anastomosing towardsthe margin, sori linear-elongated near the costa but not ex-tending to the margin, involucres rather narrow.— Metten.Fil. Hort. Lips. p. 74. t. 11. 5. Diplazium , Hook. lc. Plant,

t. 939, 940. Callipteris and Oxygonium, J. Sm. ( names only).Anisogonium, Pr. Anisog. grossum, Pr. Epim. Bot. p. 93.

Hab. Malay Islands; Luzon , Cuming , n. 276 ; and Leyte , n. 315 (large form,Anisog. grossum, Pr.). Borneo , II. Low. Labuan, Thos. Lobb. —Allied to A.alismcefolium, but very different. Here the pinnae are serrated at the apex, andthe veins sparingly anastomose, and only near the margin. This anastomosingvenation is the only character that I know of to separate it from Aspl. (Eudipla-zium) fraxinifolium of Wallich, our n. 255.

*** Fronds bi-tripinnate.

300. A. (Anisogonium) esculentum, Pr.; caudex stout erect“ subarborescent 3 feet high 55 very scaly at the summit, sti-pites tufted stramineous-brown angled, fronds ample broadoblong acuminate bipinnate below pinnatifid, in the middle