490 APPENDIX. 3. ALSOPHILA. 



pinnulae linear, + 8 cm. long by + 1 V2 cm. broad, the sides subparallel, 

 cut + ^/3-way down to the costa, the apex bluntish or shortly acuminate, 

 bluntly serrate-dentate, the base truncate, deeply pinnatifid. Segments 

 subhorizontal, not close, + 4- —b mm. broad, slightly obliquely truncate 

 or truncate-subrotundate at the apex, entire or indistinctly repando-crenate ' 

 costulae above naked but not rarely provided with 1—2 acute, setiform, 

 articulated, pale hairs, beneath squamulose, the squamules lanceolate-ovate, 

 red-brown, acuminate, more or less bullate, ciliolate; veins to 5 — 7 on a 

 side, oblique, simple or forked, distinct, at least the under side provided 

 with adpressed, minute, gland-like hairs. Texture firm-herbaceous ; surfaces 

 naked. Sori medial on the 1 — 5 lower veins, the lower somewhat 

 divaricating. 

 Sumatra. 



(7c) A. .%iinae, r. A. r. K., in Bull. Btz., 1916, XXIII, 3. 



Trunk slender, to 1 — 1% m. high. Stipes slender, castaneous, 

 15—25 cm. long, provided wth 3—4 reduced pinnae on each side at the 

 base, and 2 rows of long-elliptical, pale-rufous, depressed glands (a6rophores) 

 on the upper side, the base scaly, the rest furfuraceo-squamulose, the upper 

 side 3-sulcate and scaly; lower scales crowded, linear- subulate, brown, 

 pale-margined ; higher scales copious but not crowded, rufo-fuscous, sub- 

 flliform, intermixed with rufous hairs ; lower reduced pinnae finely dissected, 

 with filiform, tooth-like or narrowly cuneate tertiary segments. Fronds 

 ovate-lanceolate, 70 — 75 cm. long excluding the reduced pinnae, 45—50 

 cm. broad, acuminate, 2-pinnate to 3-pinnatifid ; rachises Hke the upper 

 part of the stipe but not or less distinctly grooved. Pinnae rather remote, 

 about 14 on a side; lower normal pinnae stalked, horizontal, higher ones 

 sessile or nearly so, subhorizontal; largest pinnae lanceolate-ovate, to 

 25 cm. long, about 7—8 cm. broad, acuminate, the rachis narrowly 

 winged towards the apex. Pinnulae dimorphous, to about 14 on a side 

 below the terminal one, remote, horizontal or nearly so ; terminal pinnulae 

 elongate-deltoid, serrate towards the apex, deeply pinnatifid towards the 

 base; higher pinnulae sessile with an obliquely rotundate-truncate base; 

 lower pinnulae short-stalked, cordate-truncate at the base, the stalk rufo- 

 tomentose; largest pinnulae linear-oblong, to 4 cm. long and 1 cm. broad 

 at the dilated base, acute; barren pinnulae serrate at the apex, bluntly 

 sub-2-auriculate at the base, otherwise coarsely serrate-lobate to %-wa.j 

 down to the costa, the lobules entire, obUque; fertile pinnulae smaUer, 



