482 BLECHNUM. 



denticulate, slightly falcate, dilated at base, central i-f in. 1., 2-2* lin. br. at 

 middle, lower gradually reduced to mere auricles, its ««. 1 in. or less, nearly 

 black ; texture subcoriaceous ; surfaces naked, dull-green ; veins fine, distinct, 

 forked ; fertikfr. as large, with distant linear acute falcate pinnae and a much 

 longer st. 



Hab. Chiapas, South Mexico, QheisbregM, 207. 



20*. L. andina, Baker ; rtoome. filiform, wide-creeping ; st. tufted or solitary, 

 i-1 in., naked, very slender ; basal scales brown, lanceolate, membranous ; sterile 

 fr. oblanceolate, \\-% in. 1., 3-4 lin. br. ; pinnce close, adnate, 16-20-jugate, 

 oblong, unequal-sided, blunt, repand, ^ in. br., cuneate-truncate on lower side 

 at base, lowest round-cuneate ; tenure firm-membranous ; surfaces naked, dark- 

 green ; veins distant, distinct, 3-4-jugate, only lowest anterior ioTiksA;. fertile fr. 

 narrower, with spaced pinnae I-I5 lin. 1. 



Hab. Andes, Unduari, 10,000 ft., Pearce. 



35*. L. (Plag.) costaricensis, Baker ; sterile fr. oblong, above 1 ft. 1., 6-7 in. br., 

 abruptly narrowed at base ; pirnice adnate, under % in. br., entire, subfalcate, 

 bluntish, confluent at base in a narrow wing, all except lowest close, the 

 edge revolute ; veins lax, forked, sometimes joined in costal arches ; fertile 

 ^. IJ ft. 1., g ft, br., with lax pinnse. — Plagiogyria costaricensis, iifeii. Kuhn, 

 Linn. 36. p. 149. 



Hab. Costarioa, Wendlamd, 1066. — Differs mainly from iiserrata by its entire pinuae. 



XXXIV.— BLECHNUM. Page 183—186. 



5*. B. vittatum, Brack. ; st. of sterile fr, 5-6 in., clothed below with fibrillose 

 scales ; sterile fr. oblanceolate-oblong, 1 ft. 1., 4 in. br. ; pinnce linear, under 

 J in, br., upper close, adnate to rachis by a slightly dilated base, lower lax, rather 

 reduced ; texture firm-membranous ; surfaces naked ; veins fine, close ; fertile fr. 

 rather larger, with spaced narrow pinnse, upper much dilated at base, — Fil 

 Amer. Bxpl. Exped. p. 181. t. 16. 



Hab. Yiti,. Brachemidge. 



XXXVII,— DOODIA, Page 189—190, 



4. Beside connexa the following vars. may be distinguished : — 1. Kunthiana, 

 Gaud. Bot. Frey. t. 14, Sandwich Isles ; fr. moderately firm ; central pinnce 

 close, 1-iL^ in. 1., bluntish, sharply-toothed ; sori 1-serial. 2. Brachenridgei, Carr. 

 Fl. Vit. 352, Viti ; texture firm ; pinnce fewer and more distant, central 2-2J 

 in. 1., f in. br., bluntish ; sori dense, irregularly 2-serial. 3. Milnei, Carr. Fl. 

 Vit. p. 362, Kermadec Isles ; rachis black ; fr. firm-membranous, dark -green ; 

 pinnce close, sharply-toothed, central 4-5 in. 1., 8-4 lin. br., acuminate. 4. durim- 

 aila, Jloote, Card. Chron. 1868, p. 114, New Caledonia ; /)■. firm, caudate ; 

 central pinnce ^-^ in. 1., oblong, obtuse; sori 1-serial,. 6-lO-jugate. 5. Moorei, 

 Baker, N. S. Wales, C. Moore ; fi: flexible ; rachis black ; central ^m»« 3 in, 1., 

 lJ-2 lin, br., very acuminate, sharply-toothed ; sori l-serial, 



1 ! 



XXXVIII.— ASPLENIUM. 



6*. A. repandim, Mett. ; rhizome short-creeping ; scales lanceolate like those 

 of Vittaria; st. 3-6 in., greenish, slightly scaly; >. ligulate-lanceolate, 6-12 

 in, 1., 12-14 lin, br,, acute, repand, narrowed below very gradually ; texture 



