LOMARIA. 19 



subopposite linear-lanceolate 1-U inch long 2 lines wide 

 acute superior base dilated, margin especially from the middle 

 to the apex sharply serrated, horizontal, lowest one divari- 

 cated a little shorter and more remote, costules and veins 

 furcate parallel prominent on both sides, stipes and rachis 

 channelled in front acute at the back, fertile frond unknown." 

 Liebm. FIL Mex. ;>. 81. 



Ilab. Mountains of Oaxaca ; elev. 8-9000 feet. — Liebm. 



(§ Plagiogyria,* Kze. — Caj)sules with an oblique, entire ring; base of the stipes 

 with spongy glands, and base of the pinnce beneath sometimes furnished with a 

 gland.— Sp. 24 to 28.) 



24. L. (Plagiogyria) biserrata, Mert. et Lind. in Herb. Kze. ; 

 caudex indistinct, stipites fasciculate compresso-triquetrous 

 stramineous somewhat winged below and at the base incras- 

 sated subcarnose brown (when dry) studded with several 

 orbicular spongy glands, fronds 1-2 feet long, sterile ones 

 chartaceous broad-lanceolate deeply nearly to the rachis 

 pinnatifid below pinnate, segments close broad-linear or 

 sublanceolate horizontally patent subacuminate, lower ones 

 or pinnce quite sessile all unequally serrated yellowish-green, 

 veins simple or forked rather prominent especially beneath, 

 fertile fronds on longer stipites than the sterile pinnated or 

 pinnatifid only at the apex, pinnee linear scarcely acumi- 

 nated, sori covering the whole under side between the costa 

 and the insertion of the involucre, which is very conspicuous 

 membranaceous brown transversely waved eventually spread- 

 ing. — Plagiogyria biserrata, Metten. Farngatt. ii. Plagiog. p. 7 

 and 8. t. 15. ' " L. ? serrata, Moritz, Herb.'' 



Hab. Columbia, Tovar, Moritz, n. 400. Merida, Linden, n. 556, and Fendler, 

 n. 335 {Herb. Nostr.). Ocaiia, Schlim, n. d\2 (Herb. Nosfr.). Pasto, Peru, 

 M'Lean. — Of the section Plagiogyria among Lomaria, this is the only one found 

 ia the New World, all the others are of Eastern origin. 



25. L. (Plagiogyria) adnata, Bl. ; caudex stout short, 

 stipites cajspitose elongated brown triquetrous a s})an to 1^ 

 foot long slender naked at the base dilated and subcarnose 

 furnished with orbicular spongy glands, fronds a foot and 

 more long ovato-lanceolate chartaceo-membranaceous, sterile 



* See our remarks on this group at p. 2 of the present volume. — Mr. Moore, 

 in his most useful " Index Filicuni," adopts the genus in his "Table of genera" 

 among " addenda," and rests its character mainly on the"//H<?ar sori laterally 

 eonjluenf," and placing it ne.\t to Platyloma, J. Sni. (PclUca, Lk., and this work), 

 ■where it has no natural affinity whatever. 



