484 ASPLENIUM. 



53*. A. oblongatum, Mett. ; St. and rachis naked, castaneo-ebeneous, the latter 

 with a distinct herbaceous wing upwards ; fr. lanceolate, 1^-ft. 1., proliferous 

 at apex ; pinnae lax, patent, sessile, blunt, subpinnatifid, s'ubequal at base, 

 central longest, ]|in. 1., ^ in. br., lower reduced gradually; texture membra- 

 nous ; surfaces light-green, the lower with a few slender hairs ; veins erecto- 

 patent ; sori 4-10-jugate, medial. Kuhn, Linn. 36. p. 97. 



Hab. Panama, Sckott, 44. Kecedes from alatum towards rhizopJiorum. 



56*. A. decurrcns, Baker ; st. and rachis grey, naked ; fr. oblong-lanceolate, 

 15-18 in. 1. ; pinnae ascending, 5-6-jugate, adnate, and abruptly decurrent on 

 lower, nearly or quite free and rounded on upper side at base, ligtilate-lanceolate, 

 acute, 5-6 in. 1., 1-1 in. br., crenulate in upper half, especially near the tip, the 

 lowest not reduced, the end one much larger than the others, acuminate and 

 proliferous at the tip ; texture iirm-membranous ; surfaces dark-green, naked ; 

 veins fine, distinct, not close, erecto-patent ; sori medial or rarely prolonged to 

 costa, parallel, -g in. 1. ; inv. narrow, firm. 



Hab. Samoa, Rev. T. Powtll. 



GO*. A. diplotion, Baker ; st. and racJiis grey, nearly naked ;fr. oblong, simply 

 pinnate, 9-18 in. 1., 9-10 in. br. ; pinnae 6-12-jugate, lanceolate, close, sub- 

 patent, all except upper stalked, dilated into auricles above a broad cuneate 

 base, 15-18lin.br., narrowed gradually to a long acuminate point, sharply 

 toothed throughout ; texture subcoriaceous ; surfaces naked ; veins moderately 

 close and distinct, flabellate at the base of the pinnae, central much-ascending, 

 once forked ; sori ^-f in. 1., reaching from midrib nearly to edge. 



Hab. Mallicollo, New Hebrides, Richards, in Herb. Mackay. 



65*. A. atrovirens, Baker; st. and raclrises dull, blackish, with a few minute 

 scattered lanceolate scales ; fr. oblong-lanceolate, 1^-2 ft. L, gemmiparous at 

 apex; pinnce 10-15-jugate, not close, ascending, linear-ligulate, 5-6 in. L, f-1 in. 

 br., acuminate, slightly crenat.e towards tip, more cuneate on the lower than the 

 upper side at the base, subpetiolate, lowest not reduced ; texture thin but firm ; 

 surfaces naked, dark-green ; veins erecto-patent, fine, forked, not close ; sori 

 regular, parallel, medial, %-% in. 1., a space from both edge and costa. A. persi- 

 cifoliuni, var. atrovirens, Hk. Sp. 3. p. 109. 



Hab. Guadalcomar, Solomon Isles, Milne. 



65*. A. Zcnkerianum, Kze. ; st. 6-9 in. L, grey-green, tufted, slightly scaly ; 

 fr. oblong-lanceolate, 1-2-2 ft. L, sometimes proliferous at the tip ; pinna; distant, 

 15-20-jugate, stalked, ligulate-lanceolate, acuminate, 3-5 in L, 1-1 -j- in. br., dis- 

 tinctly inciso-crenate, broadly rounded on the upper, cuneate-truncate on the 

 lower side at the base, lowest rather reduced ; texture thin, but. firm ; surfaces 

 naked, dark- green ; veins erecto-patent, fine, distant, forked ; sori regular, 

 parallel, 3-4 lin. 1., near the costa, scarcely produced more than halfway to edge ; 

 inv. broad, firm. A. persicifolium, Ilk. Sp. 3. p. 109. ex parte. 



Hab. Neilgherries and Ceylon. 



65*. A. Milnei, Carruth. ; st. and racJiises greenish, slightly fibrillose ; fr. 

 oblong-lanceolate, 1-1^ ft. 1. ; pinnae 15-20-jugate, linear-ligulate, acuminate, 3-4 

 in. 1., |-| in. br., sharply toothed, especially towards tip, subpetiolate, parallel 

 with the rachis on the upper, cnneate-truncate on the lower side at base ; texture 

 thin, but firm ; sttrfaccs naked, dark-green ; veins distinct, slender, erecto-patent ; 

 sori very regular and close, 4-5 lines 1., reaching nearly to both edge and midrib. 

 Fl. Vit.p. 353. 



Hab. Lord Howe's Island, Milne. Soil like those of multiUnca'.uni. 



