43. ASPIDIUM, CYRTOMIUM, CYCLODIUM. 257 



Cyrtomium, Presl. Veins sometimes, but not invariably, uniting slightly 

 towards the edge. Sp. 43-46. 



43. A. (Cyrt.) abbreviation, Schrad. ; st. scattered, 1 ft. or more 1., 

 smooth; fr. 1-2 ft. 1., 6-9 in. br,, simply pinnate ; pinnae 4-6 in. 1., f 

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

 subcoriaceous ; rachis and both surfaces nearly naked ; sori in two irregular 

 rows between the primary veins, Hk. Sp. 4. />.*38. t. 234. 



Hab. W. Indies to S. Brazil. A. Guianense, Klotzsch, is a form with free venation, 



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

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

 subdistant lanceolate pinnae 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 



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

 irge, in one or two rows on each side. -Hk. Sp. 4. p. 39. Hk. fy Gr. Ic. t. 171. 



Hab. Himalayas, ascending to 7,000 ft. 



45. A. (Cyrt.) juglandifolium, 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 ; pinnce in 

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

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

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

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

 Sp. 4. p. 38. 



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

 Presl, the latter founded on a plant from which the involucre had fallen. 



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

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

 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. Hk. Sp. 4. p. 40. Fil. Ex. t. 92. /3, A, caryotideum, Wall. ; 

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

 on both sides at the base ; upper surface opaque. Hk. 8p. 4. /. c. G. F. t. 13. 



Hab. Japan, China, Himalayas (up to 8,000 ft.), Neilgherries, Sandwich Isles, 

 Kaffraria, Natal. It is impossible to separate our two varieties satisfactorily. The 

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



Cyclodium, PresL Veins pinnated, the opposite veinlets of contiguous 

 groups joining. Sp. 47-49. 



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

 1 ft. or more br., simply pinnated ; barren pinnce sessile, 6-9 in. 1., ]-2 in. br., 

 oblong-acuminate, nearly entire ; texture coriaceous, both surfaces naked ; fertile 

 pinnae much smaller ; sori in two close rows between the primary veins. 

 Hk. Sp. 4. p. 36. Hk. & 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. ; pinnce 6-8 in. 1., 1 in. br., cut down to a broadly- winged rachis into 

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



2 K 



