| NEPHRODIUM. 
NEPHRODIUM COSTATUM. (Bedd,) Caudex ? stipes 14 foot and more long, rather stout scaleless glossy and as well as 
the rachis strongly tinged with red (rarely stramineous) fronds 1-3 feet long broad-oblong or lanceolate coriaceo-submembranaceous pin- 
nated glabrous, pinnæ numerous rather distant patent sessile 5-8 inches long, 4 an inch or a little more broad (on sterile fronds some- 
times exceeding an inch) from an obliquely cuneato-truncate sessile base (lower ones rather more attenuated and subpetiolate) lanceolate 
or elongato-oblong, finely acuminated at the apex, the margin coarsely and sharply submucronato-serrated, serratures pointing a little 
forward uniform, coste prominent beneath of the same color as the rachis and stipes generally reddish, veinlets about 6-8 pairs, of which 
all are connivent except 2-3 short pairs in the teeth of the serratures, sori in 2 series generally at the base of the veins close to the 
involucres reniform very fugacious and only to be detected on very young fronds :— 
Coleb. in Herb. Wall. and Wall. Cat. 300. Hook. Sp. 2 
costules but sometimes near the centre of the veins, 
Polypodium costatum ( Wall. Herb. ) not Brack, P, (Goniopteris) lineatum 
The specimens figured are from Gurhwal, Himalayas (Dr. Stewart). 
In some very young fronds forwarded by Dr. Stewart, an involucre is distinctly visible. Mr. Thwaites, the Director of the Pera- 
h authentic specimens in his Herbarium of Dr. Wallich’s 
denia Gardens in Ceylon, informs me that my specimens exactly correspond wit 
Polypodium costatum from Nepal, so that there can be no doubt that this is Wallich’s plant, and in now referring it to Nephrodium, I retain 
Wallich's specific name, as there is already a Nephrodium lineatum. ۱ ۱ 
The fern figured at Pl. iii. of this work is incorrectly named Goniopteris lineata (Coleb.), it ۵ referred by Sir Will. Hooker 
a Ceylon specimen of which is figured at Pl. coxxxix. of “the Ferns of S. India.” I cannot how- 
hing to do with the Ceylon one ; it is of quite a different texture, is sharply serrated 
it is very common in Birmah, and Mr. Parish has lately de- 
but a Nephrodium, and I now propose the name Nephrodvum 
ted at page 3. If the Ceylon fern (Pl. CCXXXIX. 
neatum, Presl. ( Pl. cxxxiii. of this work.) 
involucre, but it is very distinctly visible in 
to Goniopteris urophylla ( Wall. ), 
ever satisfy myself that the Birmah plant has anyt 
which the Ceylon plant never is, and has much more prominent venation, 
tected involucres in very young specimens, so that vt «s not a Goniopteris, 
Moulmaynense for the Birmah species and all the localities except Birmah should be 6 
Ferns of S. India) is found to have involucres it cannot be separated from Nephrodium li 
My Ceylon specimens of Gonvopteris urophylla (though young and good ) show no trace of an 
my Himalayan specimen of Nephrodium lineatum, there is nothing else to distinguish the two ferns (vide remarks at p. 133. ) 
PLATE No. CCXX. 
