4(. KEPHEODIUM, §§§ PLEOCNEMIA. 29 J 



Hab. N. India to Ceylon, Malaccas, Australia, and Polynesian Isles.— A much larger 

 and less herbaceous plant than A. moUe, with close, blunt lobes, and the rachis and under 

 surface nearly or quite naked. The Mauritian N. caudiculatum, Sieb., is either the same 

 or closely allied. J. Smith distinguishes the Indian from the Polynesian plant, calling 

 the former abruptum, the latter iruncatum. 



195. N. hrachyodon, Hk. ; St. tufted, 1-2 ft. 1., greyish, naked ; fr. 2-3 ft. L, 

 12-18 in. br. ; jinnee 6-9 in. 1., 1^-1| in. br., cut from one-third to half the way- 

 down into blunt, oblong, slightly falcate lobes ; lower pinnm not much smaller 

 than the others ; texture coriaceous ; rachis and both surfaces naked ; veins 

 pinnate in the lobes, with 10-16 veinlets on a side, with a sorus on each about 

 midway between the midrib and edge ; invol. small, fugacious. — Hk. Sp. 4. p. 83. 

 Phegopteris Seemanni, J. Sm. 



Hab. W. Indies and Panama southward to Peru and the Galapagos group ; Malayan 

 Peninsula and Isles. 



196. N. Fendlen, Hk., st. tufted, 1-2 ft. 1., greyish, naked ; fr. 2-3 ft. I., 

 12-15 in. br. ; pinnce 6-8 in. 1., 1^ in.br., cut about a third of the way down 

 into oblong blunt lobes ; lower pinnce not much smaller than the others ; texture 

 coriaceous ; rachis and both surfaces naked ; veins pinnate in the lobes ; with 

 10-12 veinlets on a side ; sori marginal and almost confined to the lobes ; invol 

 firm, persistent. — Si. Sp. 4. p. 82. 



Hab. Venezuela, Petidla; 372. — ^Very like the last in texture and cutting. 



§§§ Pleocnemia, Presl. Lower veinlets of eontiffuous groups united, and those of 

 the same group slighth/ so. Sp. 1.97-200. 



197. N. (Pleo.) dissidens, Hk. ; st. 5 in. 1., vUIose ; fr. 8 in. 1., 4-5 in. br., 

 oblong-lanceolate ; pinnce 2 J in. 1., f in. br., with oblong-acute lobes ; texture 

 thin and flaccid ; rachis and frond pubescent ; veins pinnate in the lobes, with 

 8-9 veinlets on a side, the lower ones forming costal arches ; sori 4^6 in each 

 side near the margin of the lobes ; invol. small, ciliated. — ELk. Sp. 4. p. 66. 



Hab. Porto Hico. — We have not seen this, and take the description from Mettenius. 



198. N. (!?Ieo.) heterophi/llam, Hk. ; rhizome creeping; st. 2-4 in. 1., densely 

 villose ; fr. 5-6 in. 1., 1 in. br., simple, with blunt, oblong, slightly falcate lobes 

 reaching a quarter of the distance to the midrib ; texture coriaceous ; both 

 surfaces villose, especially the edge and midrib ~beneath ; veins pinnate in the 

 lobes, those of the sterile frond anastomosing towards the edge ; veinlets 5-6 on 

 each side, with a sorus on each. — Hk. Sp. 4. p. 02. 2nd Cent. t. 20. Haplo- 

 dictyum, Presl. 



Hab. Philippines, Cuming, 322. 



199. N. (Pleo.) excellens, Bl. ; st. naked, greyish; fr. ample, bipinnatifid ; 

 lower pinnce 1 ft. 1., 3-4 in. br., cut down nearly to the rachis into entire, 

 lanceolate lobes ; texture subcoriaceous ; rachis and both surfaces nearly nak«d ; 

 veinlets of the lobes slightly pinnate and mostly forming costal arches ; sori 



small, copious, principally in two irregular rows near the midrib of the lobes. 



Hk. Sp. 4. p. 63. Prof erea, Presl. 



Hab. Java, Blume. 



200. N. (Pleo.) Leuzeanum, Hk. ; caud. subarborescent, densely scaly at the 

 crown ; st. 2-3 ft. 1., stout, striated ; fr. 4-6 ft. 1., subdeltoid ; pinnce 12-18 in. 1., 

 6-8 in. br., simple, or the lowest with 2-3 large pinnated pinnl. from the lower 

 side ; segm. 3-4 in. 1., j-l^ in. br., with oblong, subfalcate, entire, or sinuated lobes 



