60. ACEOsricuuM. 403 



Habk Trinidad and Gniana. — Di&rs only 6om A. latifolmai by its Utmter fionds of 

 subspaihnlate ontJine, with the edge slightly scaly. 



18. A. Sieberi, Hk. & Gr. ; rhizome stoat, woody, the scales \ in. \^ linear- 

 gnbalate, nearly black ; tt. 3-6 in. L, firm, erect, stramiiieona, hardly at aU 

 scaly ; fr. 3-12 iju 1., 1-3 in. br., the lower part narrowed yerr giadnally, the 

 edge cartilaginoiis, entire ; texture coriaceons ; torn immersed, nsually once 

 forked ; fertik fir. smaller than the barren one. — Ht, ^. 5. p.VjtJ. H. & G. 



'Sab. Manritiiis and Boorbon ; and a similar plant, bat with shorter and browner 

 scales, gathered by Mann at Fernando Po. — ^Tbis baa quite the baUt of the nest, but 

 the scales aie diSnent. 



19. A. latifolmm, Sw. ; rMsame thick, woody, often creepiiig, tiie scales lan- 

 ceolate, crisped, dark or light-brown; st. 6-12 in. L, firm, erect, stramineous^ 

 naked or sightly scaly ; barren fi: 9-18 in. L, %A in. br., the point acnte, the 

 lower part narrowed gradually, the edge entire, thickened and eaifilaginons ; 

 U^cture Tery coriaceons ; both adeg naked or nearly so ; fertUe fir. consUeiably 

 narrower than the barren one. — Hk. Sp. 5. p. 202. 



Hab. Mexico and Caba fa Brazil and Pern. — ^From this we cannot distinguish deaily 

 A. Itmg^oliitm, Jacq., A. Surtarii, Xjebm., A. SUtmbetii and Torareiue, Mett., A. ical- 

 pdhtm, Mart., A. aHmuEfoUtan, Sdumhwrglai, PunekH, and atuUeola, V4e, and the 

 Javan A. caBesfoliam of Bfamie. A plant from the S^ch^Ies is probably the same. 



** Bath giafiacis nearfy or quite naked, the edge of the frond fiinged. 

 Sp. 20-24. 



20. A. gtramineam, Mett. ; rhizome short, stont, the scales lanceolate-snbnlate, 

 often J in. L, bright-brown ; St. 3-9 in. L, stiamineons, finally naked ; barren fir. 

 3-3 in. L, f-1^ in. br., narrowed gradaaQy to both ends ; texture snbcoriaceoDs ; 

 the margin i^iated bnt the scales decidnons ; fertile fr. lk-2, in. L, ^-{ in. far., 

 the St. 2-4| in. l^-itf€«. FU. Noc. Ch-an. p. 200. 



Hab. N. Granada, Lindig, 251. — 'Very near Uie next epedea, 



21. A. mdanopia, Eze. ; rhizome short-creeping, densely clothed with small 

 reddish-brown linear scales ; it. 2-3 in. L, densely clothed with linear spreading 

 dark chesnnt-brown scales ; barren fir. 5-8 in. L, 2 in. br., the apex acominat^ 

 the base ronnded or snbcnneate ; tenure coriaceons ; veau lay^ the margin 

 ciliated with similar scales ; fertile fr. 3-4 in. 1., f in. br., on a longer stem. — 

 Mett. Fa. H. Lips.p. 19. 1. 1, 



Hab. Yeneznela. — ^This comes near the small forms of Ae next, and ihsie are a few 

 scales on the lower part of the midrib beneath. 



22. A. hfbridum, Bory ; rhizome woody, tiie scales dense, |-| in. L, linear, 

 crisped, dark chesnnt-brown ; «*. suhtnfted, 6-9 in. L, firm, erect, with scattered 

 squarrose linear dark scales ; barren fr. 6-12 in. L, 1^2 in. br., the point 

 acnminate, the base rather ronnded ; texture sabcoriaceons ; both tides naked 

 except the midrib beneath, the edge ciliated with linear-snbnlate scales ; ixim 

 immersed, nsnally once forked ; fertile fir. mnch smaller than the others. — 

 /J, A. Vtdcani, Leperv. ; fr. orate-oblong, cnspidate, 3-4 in. L, 1|^ in. br. — Hi. 

 Sp. 5. p. 210. 



Hab. Mascaren Isles, Katal, Tristan d'Aconha, Cameroon HoontainB, Fernando Fo, 

 Mexico to Brazil. — Tbe scales here are from 1 to 1^ Une long, and often &n qnite away 

 as the frond matures. A. Lindbergii, Mett., from Brazil, appeals to be identical with 



this. 



2-3. A. demrrens, Desy. ; rhizome woody, the scales laige, ovate, dull-brown ; 



