142 FERNS COLLECTED IN MADAGASCAR BY M. HUMBLOT. 
minate, adnate by a broad base, 4— in. broad, the central ones 
the longest ( (3-84 in.), the lowest reduced to 1- 1} in. Veins fine, 
sede oe ee patent. Fertile nee sets linear, 
oblong or — lobes, growing gradually smaller towards 
its base. Fertile frond ert nly a few very minute distant pinne 
(3-4 in. long), the central nee linear, 1-14 in. long. 
257, 442 (25*). L. xiphophylla, n. sp. SRG tstock and basal 
pale not seen. Barren lamina oblong-deltoid, moderately firm in 
texture, green and glabrous on both surfaces, 15- weg . long, 
-10 in. broad, with a naked rachis, simply pinn “Pinne 
lceadhate: entire, acuminate, 2 in. broad, the upper poset broadly 
adnate, the lower ayes tn from the middle to the base, — 
with a rounded base. Veins fine, yee oe ascending. 
of the fertile Feces linear, 5-6 in. lon A near ally of the 
American L. acuta Desv. (L. asia Koni): 
548. L. biformis Baker. 
817. Asplenium Poolit Baker. 
314. A. oligophyllum Kaulf. 
. 818. A. faleatum Lam. 
7. A. macrophyllum Sw. 
&S 
~~ 
pe ha pa be 
3 
if 
: 
5 
< 
balks tum Lam. 
at; 288, 289, 320, 822, all forms of A. affine Sw., and 276 my 
var. tanalense, which is A. simillimum Kuhn, whils t his A. viel- 
Metta is what I have regarded as a dareoid form of this species. 
. A. decussatum 
296. Nephrodium subbiauritum Hook. 
272. N. (Lasrrea) ochrorachis, n. sp.—Stipes densely tufted, 
slender, fragile, stramineous, 6-7 in. Laie. elothed throughout wit. 
§ in 
the rachis into adnate obtuse so rather ascending e entire : 
nanecaes E — sopees % in. broad ; lower pinne deflexed, n0 
A me a y of N. praistaleeke and chron. 
5 (158%). N. TREA) Magnum, N. sp. —Fronds ample, 
deltoid, tripinnate, moderately firm in texture, green and glabrous 
on both surfaces; rachis of the pinne and pinnules minutely 
paleaceous; palew linear-subulate. Pinne oblong-lanceolate, 
