38. ASPLENIUM, §§§§ ATHYEIUM. 225 



2-6 to a segm., oblong, usually nearly straight, often double.— A. crenulatum 

 Fries. Bk. Sp. 3. p. 226. ' 



Hab. Scandinavia by way of Siberia to Japan. 



178. A. (Athyr.) spinulosum. Baker ; St. 6-12 in. 1., scattered, firm, erect, 

 naked, straw-coloured, more or less clothed throughout with lanceolate pale- 

 brown scales ; fr. 9-12 in. each way, deltoid, tri- or quadripinnatifid, with 9-12 

 pinncB on each side, the lowest much the largest, 6-9 in. 1., 2i-3 in. br., ovate- 

 lanceolate ; pinnl. lanceolate, cut down to the rachis on each side into 6-9 

 oblong-rhomboidal mucronate segm., 2 lin. 1., 1 lin. br., which are sharply 

 toothed ; texture herbaceous ; rachis firm, naked, or nearly so ; swi 2-10 to 

 a segm., usually round and the iuvol. ovate, but occasionally oblong, and the 

 invol. slightly curved. — Cystopteris spinulosa. Max. Fl. Amur. p. 340. 



Hab. Amur-land, Maadmomcz ; Manchuria, Wilford, 1163 ; Korea, WUford, 908. 



179. A. (Athyr.) subtriangulare, Hk. MSS. ; st. 6-12 in. 1., firm, erect, naked, 

 clothed towards the base with lanceolate pale-brown scales ; fr. 1 ft. each way, 

 deltoid, quadripinnatifid, with 12-18 pinnce on each side, the lowest much the 

 largest, 6-9 in. 1., 2 in. br., lanceolate ; pinnl. lanceolate, cut down to the rachis 

 on each side into 9-12 close elliptic-rhomboidal segm., 2 lin. 1., 1 lin. br., which 

 are inciso-serrated, sometimes halfway down ; texture herbaceous ; rachis firm, 

 naked ; sori 2-12 to a segm., roundish, but the lower invol. quite horseshoe- 

 shaped. — Athy. Hookerianum, Moore. 



Hab. Sikkim, 10-12,000 ft. ; gathered by Dr. Hooker. — Pinnae more numerous than 

 in the preceding, the segments narrower, more abundantly bot not so sharply toothed, 

 the sori more copious, and the involucre drSerent. 



180. A. (Athyr.) medium, Hk. ; st. tufted, 4^6 in. I., firm, erect, densely 

 clothed throughout with crisped linear reddish-brown scales ; fr. 6-9 in. I. 

 4-6 in. br., subdeltoid, tripinnate, with numerous spreading pinnae on each side, 

 the lowest 3-4 in. 1., 1-1^ in. br. ; pinnl. numerous, lanceolate-rhomboidal, the 

 lobes ovate-acuminate, in the lower part reaching down nearly or quite to the 

 rachis ; texture herbaceous ; rachis firm, erect, fibrUlose ; veins pinnate, con- 

 spicuous ; sori copious, often 6-8 to a segm. ; invol. roundish, reniform. — Hk. 

 Sp.3.p.227. let. 43. ■ 



Hab. Tristan d'Acnnha. — ^A well-marked species, which was placed by Carmichael ia 

 Aspidium. 



** Fronds lanceolate or ovate-lanceolate. Sp. 181-199. 



181. A. (Athyr.) a/stopterimdes, Hk. ; st. 4r6 in. 1., scattered, slender, pale, 

 naked ; fr. 4-6 in. 1., 1^-2 in. br., oblong-lanceolate, with numerous pinna on 

 each side, the lower ones lanceolate, 1-1^ in. 1., ^-f in. br., pinnatifid above, cut 

 down to the rachis below into blunt ovate-rhomboidal /)2ra«^., which are broadly 

 lobed about halfway down to the midrib ; texture herbaceous ; both surfaces 

 slightly hairy and glandular ; sori 2-6 to a pinnl., placed near the base of the 

 teeth ; invol. hispid, lunulate. — Hk. Sp. 3. p. 220. Athyrium, Eaton. 



Hab. Japan and Loo-Choo. — A smnll plant with the habit of Cystopteris fragllis, and 

 a slender wide-creeping rhizome. 



182. A. (Athyr.) Hohenackerianum, Kunze ; st. tufted, 2-4 in. I., firm erect 

 clothed throughout rather closely with linear-subulate scales ; Jr. 6-9 in. 1.' 

 H-3 in. br., ovate-lanceolate, with numerous lanceolate pinnce on each side' 

 which are cut down below nearly or quite to the rachis into ovate inciso-serrated 

 pinnl.; feiciMre herbaceous ; rachis naked or scaly below ; «o»-i copious oblon" • 

 in»o^. conspicuous, some distinctly curved. — Hk. Sp. 3. p. %20. ' °' 



2 p 



