MA1\E BY ME. W. POOL IN MADAGASCAR. 410 



enough to describe. Pinnae very like those of N. pennigerum, but son 

 smaller and costular. 



Nephrolepis acuta, Presl. 

 Oleandra articulata, Cav. 



POLYPODIUM SERRULATUM, Mett. 



91*. P. Poolii, Baker, n. sp. Stipes tufted, £-£ inch long, densely 

 clothed with spreading red-brown bristly hairs a line long. Frond 

 simple, ligulate, l£-2 inches long, } inch broad, narrowed gradually 

 from the middle to a cuneate base, entire. Texture membranous. 

 Both sides green, profusely clothed with fine red-brown spreading 

 hairs like those of the stipe. Midrib flexuous; veins distant, immer- 

 sed, arcuate-ascending, forked near the base, not reaching the edge. 

 Sori round, superficial, f-1 line broad, terminal on the anterior fork 

 of the veins, forming a row on each side of the midrib, medial between 

 cost a and margin. 



N ear P. Sprucei and Hooker i. 



125*. P. subpinxatum, Baker, n sp. Stipes tufted, 1-H inch long, 

 filiform, clothed with fine spreading soft red-brown hairs. Frond* 

 pendulous, lanceolate, 3-7 inches long, 1-1$ inch broad, cut down 

 to a narrow wing into lanceolate obtuse entire pinnae 3-4 lines broad 

 at base, the central ones the longest, those at both ends of the frond 

 becoming gradually smaller, the lowest semicircular. Texture charta- 

 ceous. Both surfaces green, clothed with fine spreading claret-brown 

 hairs. Veins tine, immersed. Midrib of pinnae waved ; veinlets 

 forked above the base, not reaching the edge. Sori superficial, round, 

 terminal on the anterior forks of the veins, so as to form a single row 

 midway between midrib and edge; 10-12 to the central pinnae. 



Near P. leucosum and villosissimum. 



P. Rigescens, Bory. 



149*. P. deltodon, Baker, n. sp. Stipe an inch long, wiry, black, 

 curved, naked. Frond oblong-lanceolate, 3-4 inches long, 1-1 £ inch 

 broad, simply pinnate. Pinnae 12-16 on a side, adnate, linear, acute, 

 \i inch broad above the dilated base, furnished with large deltoid 

 teeth, which sometimes reach halfway down to the rachis, a few of the 

 lower pinnae reduced in size. Texture chartaceous ; both surfaces 

 green, glabrous. Veins distant, simple or forked high up, erecto- 

 patent. Sori round, superficial, marginal, terminal on the veins, half 

 a line broad. 



Near P. repandulum of India. 



*58*. P. devolutum, Baker, n. sp. Stipes tufted, wiry, 3-4 inches 

 long, clothed with short deciduous spreading claret-brown hairs. 



Un « JOUBK. — BOTANY, TOL. XT. 2 H 



