194 38, ASPLENIUM, §§ EUASPLENIU3I. 



20. A. IJemionitis, Linn. ; st. tufted, naked, firm, dark-coloured, 4-8 in. ], ; 

 fr. 4-6 in. each way, hastate, with a triangular, acute terminal lobe and two 

 large cordate, acute* lateral ones, again bluntly or acutely lobed at the base, the 

 basal sinus rounded, 1 in. or more deep, and the lobes on each side imbricated 

 over one another and the petiole ; texture herbaceous ; veins close, usually simple, 

 with often a narrow line of fruit on each, the longest 1| in. 1. — Hi: Sp. 3. p. 91. 

 A. palmatum, Lam. 



Hab. Spain, Portugal, Barbary States, Azores, Canaries, Madeira, and Cape Verde 

 Islands. 



21. A. attenuatum, R. Br. ; st. tufted, 8-4 in. 1., firm, more or less scaly 

 throughout ; fr. linear-lanceolate, sometimes 1 ft. 1., ^-| in. br., narrowed 

 upwards very gradually, sometimes proliferous at the point, the margin toothed, 

 the lower third also lobed ; the lowest lobes, which are oblong or roundish, 

 reaching down nearly or quite to the rachis ; texture subcoriaceous ; veins 

 ascending, the midrib beneath hispid like the stem ; sori reaching nearly to the 

 edge.— i//l-. Sp. 3. p. 92. Hk. ^- Gr. Ic. t. 200. Ic. PI. iJ. 914. 



Hab. Queensland and N. S. Wales. 



22. A. variahile, Hk. ; rAeVome wide-creeping ; /r. 3-6 in, 1., \ in.br,, lanceolate 

 or oblong-lanceolate, the apex acuminate or bluntish, narrowed below very 

 gradually into a short stem, the margin varying from crenate to rather deeply 

 lobed, especially below ; texture thinly herbaceous, both surfaces naked ; veins 

 often ^ in. apart at the base, simple or once forked ; sori falling short of the 

 m&Ygm.—Hk. Sp. 3. p. 93. t. 185. 



Heb. Fernando Po, Barter, Mann. 



23. A. pinnatifidum, Nutt. ; st. tufted, 2-4 in. 1., naked, polished, chesnut- 

 brown ; fr. 3-6 in. 1., 1 in. or more br. at the base, lanceolate-deltoid, with a 

 long gradually narrowing point which is sinuated only, the lobes below this 

 \-\ in. deep, the lowest ovate-oblong or subspathulate, \ in. deep by nearly as 

 br., sinuated and reaching down nearly to the rachis ; texture herbaceous ; lowest 

 lateral veins of the uinnse often twice forked; sori copious. — Hk. Sp. 8. p. 91. 

 Ic. t. 927. 



Hab, Pennsylvania southward to Alabama. 



24. A. alternans. Wall. ; st. tufted, 1-2 in. 1., clothed with linear scales ; fr. 

 6-8 in. 1., 1-1 1 in. br., lanceolate-oblong, cut down into numerous bluntly- 

 rounded lobes on each side, which reach very nearly down to the rachis, the 

 lower growing smaller gradually and sometimes distinct ; texture subcoriaceous, 

 both surfaces an ojiaque greyish-green ; veins free, subflabellate ; sori copious. 

 —Hk. Sp. 3. J). 92. A. Dalhousiae, Hk. Ic. t. 105. 



Hab. N". W. Himalayas, ascending to 6,000 ft., and gathered also by Scbimper in 

 Aby.ssinia. — This has entirely the habit and cutting of .4, Ceterach. 



*** Pronds once pinnate. Sp. 25-103. 



f Pinnce \-\ in. I., Hunt, in most of the species nearly as broad as long. 

 Sp. 25-44. 



A. Group of A, viride. Rachis green, slender. Sp. 25-34. 



25. A. projectum, Kunze ; st. scattered, very slender ; fr. 2-3 in. 1., 2 lin. br., 

 procumbent, with 12 to 16 pinnw on each side, in sliglitly-stalked paiis, the 

 largest of which are not more than 1 lin. each way, roundish and nearly entire ; 

 texture membranaceous ; rachis taking root and the apex gemmiferous ; sori 1 to 2 

 to a pinna, oblique. — Hk. Sp. 3. p. 148. t. 181. A. 



