43. ASPIDIUM, §§ CYRTOMIUM, §§§ CYCLODIUM. 257 



§§ Cyrtoniium, Presl, Veins sometimes, but not invariahlj/, miiting slightly 

 towards the edge. Sp. 43-46. 



43. A. (Cyrt.) abbreviatum, Schrad. ; st. scattered, 1 ft. or more 1., p:lossy, 

 smooth; fr. 1-2 ft. 1., 6-9 in. Lr., simply pinnate ; pinnoe 4-6 in. 1., | in. br., 

 linear-lanceolate acuminate, slightly stalked, the edge bluntly lobed ; texture 

 sul)coriaceous ; rachis and both surfaces nearly naked ; sori in two irregular 

 rows between the primary veins. — Hk. Sp. 4. p. 38. t. 234. 



Hab. W. Indies to S. Brazil. — A. guianense, Klotzsch, is a form with free veuation. 



44. A. (Cyrt.) caducum, Wall. ; st. tufted, 1 ft. 1., firm, erect, stramineous, 

 scaly below ; fr. 1-2 ft. 1., 6-9 in. br., simply pinnate, with numerous stalked 

 subdistant lanceolate pituice on each side, 4-6 in. 1., 1-1^ in. br., the apex 

 acuminate, the edge subentire, or more or less deeply lobed, sometimes down to 

 the rachis below ; texture coriaceous ; midrib below often fibrillose ; veins in 

 pinnate groups which are free or anastomose slightly towards the edge ; sori 

 large, in one or two rows on each side. — Hk. Sp. 4. p. 39. Hk, S^- Gr. Ic. t. 171. 



Hab. Himalayas, ascending to 7,000 ft. 



45. A. (Cyrt.) J2tgIatidifoliu?/i, Kze. ; st. tufted, 1 ft. or more 1., clothed below 

 with large ovate scales ; fr. 2-3 ft. 1., 9-12 in. br., simply pinnate ; jnrince in 

 2 to 12 pairs, linear-lanceolate, the lower ones stalked, 4-6 in. 1., f-lj in. br., 

 the apex acuminate, the edge entire or slightly toothed ; texture coriaceous ; 

 botli surfaces naked ; veins close, pinnated, the lowest anterior branch free, the 

 groups free or anastomosing towards the edge ; sori copious, scattered. — Hk. 

 Sp. 4. 2^- 38. 



Hab. Mexico to Venezuela.— This corresponds to the genera Amblia and Phanero- 

 jMebia, Presl, the latter founded on a plant from which the involucre had falleu. In 

 Fournier's Ferns of Mexico it is separated into five species. 



46. A. (Cyrt.) falcatum, Sw. ; st. tufted, 6-12 in. 1., densely clothed below 

 with large dark scales ; fr. 1-2 ft. 1., 6-9 in. br., simply pinnate ; pinna} 

 numerous, the lower ones stalked, ovate acuminate, falcate, 4-6 in. 1., 1-2 in. 

 br., the edge entire or slightly undulated, the upper side narrowed suddenly, 

 sometimes auricled, the lower rounded or obliquely truncate at the base ; 

 texture coriaceous ; both surfaces naked, the upper one glossy ; sori small, 

 copious, scattered. — HI. Sp. 4. p. 40. Fil. Ex. t. 92. — j3, A. caryotideum. Wall. ; 

 pinnoe sometimes larger, sharply toothed, slightly lobed, sometimes auricled 

 on both sides at the base ; upper surface opaque. — Hk. Sp. 4. I. c. G. F. t. 13. 



Hab. Japan, China, Himalayas, Madagascar, Neilgherries, Sandwich Isles, Kaffiaria, 

 Nata). — It is impossible to separate our two varieties satisfactorily. The Japanese 

 C. Fortunei, J. Sm., is like o, but the pinnae are narrower and opaque. 



§§§ Cyclodium, Presl. Veins pinnated, the opposite veinlets of contiguous 

 groups joining. Sp. 47-49. 



47. A. (Cyclo.) mcniscioides, Willd. ; st. 1-2 ft. 1., scaly below ; fr. 2-3 ft. 1., 

 1 ft. or more br., simply pinnated ; barren pinncB sessile, 6-9 in. l,,']^-2 in. br., 

 oblong-acumiuate, nearly entire ; texture coriaceous, both sui-faces naked ; fertile 

 pi%mce much smaller ; sori in two close rows between the primary veins. — 

 Hk. Sp. 4. p. 36. A. confertum, Hk. S Gr. Ic. 121. 



Hab. West Indies to Brazil and Peru. 



48. A. (Cyclo.) Hookeri, Baker ; st. 1 ft. or more 1., naked, erect ; fr. 2-3 ft. 

 1., 1 ft. br. ; pinnoe 6-8 in. L, 1 in. br., cut down to a broadly-winged rachis into 

 nearly, close, spreading, entire, linear-oblong lobes \ in. br. ; texture lieibaceous ; 



2ii 



