discovered or described since 1874 . 471 
254*. P. nanegalense, Sodiro, Recens. Crypt. Vase. Prov. Quit. 65 , 
Andes of Ecuador, Sodiro. Near P. attenuatum , H. B. K. 
Not seen. 
259*. P. Sampsoni, Baker, sp. n. Rhizome slender, wide-creeping, 
firm, glabrous, with only a few lanceolate membranous paleae. 
Stipe naked, 1 J -2 ft. long. Frond oblong, simply pinnate, 
moderately firm, glabrous, above a foot long, 7-8 in. broad. 
Pinnae n, oblong-lanceolate, entire, cuspidate, sessile, cuneate 
at the base, the largest 4-5 in. long, an inch broad, the lowest 
dwarfed. Main veins erecto-patent, distinct to the edge, T \ in. 
apart ; areolae and sori 5-6 between each main vein, the 
latter superficial, globose. West river, Canton, Sampson 
(Herb. Hance). Near P . fraxinifolium, Jacq. 
260. P. menisciifolium, L. & F. I should not now separate this 
as a species from P. neriifolium . 
261*. P. xantholepis, Harringt. in Journ. Linn. Soc. XVI, 36 . 
Oroya railway, Andes of Peru, Dr. Steere. 
Subgenus Phlebodium. 
263*. P. nematorhizon, Eaton, in PI. Fendl. Trinit. No. 73 . Trini- 
dad, Fendler : and gathered long ago in the same island by 
Aldridge. Habit of P. lycopodioides. A plant gathered by 
Bridges in 1846 in the Andes of Bolivia is either the same 
species or very near it. 
266. P. decumanum, Willd. Has been found lately in Mexico 
and Jamaica. 
Subgenus Campyloneuron. 
269. P. sphenodes, Kunze. Has been found in Guatemala by 
Salvin and Colman, and in Peru by Dr. Steere. 
273. P. Phyllitidis, L. This very common and well-known 
Tropical American species has lately been found in the island 
of St. Thomas, in West Tropical Africa, by M. Moller. We 
are indebted for a specimen to Dr. Henriquez. 
Subgenus Niphobolus. 
276. P. confluens, R. Br. The true plant of Robert Brown proves 
to be 316. P. glabrum, Mett. I now look upon 276 as merely 
a smaller, more slender variety of 277, P. serpens , Forst 
