522 ACEOSTICHUM. 



in. 1., |- j in. br., narrowed gradually to both ends, with a stramineous minutely- 

 furfuraceous St. nearly as long as itself ; teMwe thin but firm ; upper surface 

 naked when mature, lower closely dotted with minute ferruginous deeply 

 ciliated peltate scales ; veins fine, close, erecto-patent ; fertile fr, similar but 

 smaller. 



Hab. Angola, Welmtach, 187. 



40*. A. ferrugineum, Linden ; rhinome woody, short-creeping ; scales lanceolate, 

 brown, membranous ; barren fr. lanceolate, narrowed gradually to both ends 

 1 ft. 1., 15-18 lin. br., with a nearly naked stramineous st. 2-3 in 1., winged at the 

 top ; texture subcoriaceous ; veins moderately close and distinct, subpateiit ; upper 

 stirface bright-green, naked, lower scattered over with very minute persistent 

 adpressed peltate scale-dots ; fertile fr. much smaller, with a St. 5-6 in. I, 



Hab, Andes of Columbia. — Habit exactly of latifoUum. 



41*. A. tahitense, Carruth. ; rhizome short-creeping ; sccdes linear ; st. 3-4 in. 1. 

 semiterete, scaly at the base only ; barren fr.' lanceolate, 12-14 in.']., H in. Br.' 

 obtuse, narrowed at the base, with small peltate scales on both surfaces • veins 

 immersed, forked ; fertile fr. smaller.— Elaphoglossum, Brack Fil. Wilhes 

 p. 75. ' 



Hab. Tahiti. — 'Hahit oi A, gorgoneam. 



43*. A. ornatum, Mett. ; rhizome short-creeping; scales dense, membranous, 

 pale-reddish, ovate-acuminate ; barren fr. lanceolate, 6-7 in. 1., 8-10 lin. br., nar- 

 rowed to both ends, with a 1-2 in. St., densely clothed like midrib beneath with 

 spreading ovate-ariatate scales 2-3 lin. 1. ; texture thin but firm ; edge bordered 

 with dense very minute ovate-acuminate ferruginous scales ; veins 1-2-furcate, 

 erecto-patent ; under side dotted with very minute brown lacerated scales ; fer- 

 tile fr. much smaller, on a longer st. — Kuhn, Linn. 36. i?. 44. 



Hab. Andes of Venezuela, Engd, 201. 



46*. A. Mamdoni, Mett. ; rhizome slender, wide-creeping ; scales dark chestnut- 

 brown, entire, subulate from a broad base ; bmrmn fr. \\ in. 1., \-\ in. br., 

 oblong or ovate, ouneate at base, acuminate at apex ; st. distant, ^-1 in. ; tex- 

 ture membranous ; both sides brown-glandular^ and clothed with membranous 

 reddish ovate-acuminate scales ; veins translucent, erecto-patent ; fertile fr. 

 smaller, on a much longer st. — Kuhn, Linn. 36. p. 47. 



Hab. Andes of Bolivia, Mandon, 12. 



48*. A. rufldukm, Willd. ; barren fr. lanceolate, 4-6 in. 1., under \ in. br., . 

 narrowed gradually to both ends ; its st. 3 in. 1., with a few castaneous scales 

 at base, and pale-reddish above ; texture subcoriaceous ; veins immersed, A lin. 

 apart, erecto-patent ; scales lanceolate, reddish, membranous, fimbriated, dense 

 below ; fertile fr. unknown. — Kuhn, Fil. Afr. p. 47. 



Hab. Madagascar, Eerh. WiUdmow. — Differs from its allies by its very oblique veins. 



50*. A.- Mulleri, Fourn. ; rhizome short-creeping ; scales dense, ferruginous, 

 lanceolate, ciliated ; st. tufted, barren, 1-2 in. ; fr. lanceolate, oblong, acute, 2-4 

 in. 1.; surfaces densely clothed with reddish stellate seizes ; fertile fr. larger, 

 blunt, longer stalked. — Fil. Mex.p. 68. 1. 1, fig. 2. 



Hab. Orizaba, Mexico, F. Muller. 



40*. A. aarocwrpum. Mart. ; caiid. erect ; barren fr. erect, ligulate, 4-6 in. 1., 

 6-8 lin. br., narrowed gradually to point, and a st. 1 im 1., clothed with linear- 



