278 54. ATHYRIUM. 



(4) A. luacrocarpiiin, Bedd. 



Fronds not rarely under 10 cm. broad with less incised pinnae, and 

 the sori in a single row on each side of the costae, partly subreniform, 

 partly hamate, partly straight. 



(5) A. acrostichoiiies, Bids; Asplenium thelypteroides, Mchx, 

 Schk., Krypt. Gew., I, tab. 766. 



(6) A.. Iiyalostegiuiu, Copel. 



A dupUcate of- Merrill's No 5186 occurring in the Buitenzorg 

 Herbarium has the lower pinnae deeply pinnatifld, with a single small, 

 oblong, free pinnula on .the upper side at the base, + 3 — 4 mm. long, 

 1 % — 2 mm. broad, parallel to the main rachis, blunt at the apex, 

 obliquely cuneate at the base, and with the indusia mostly asplenioid. 



(7) A. I^oheri, Christ. 



Also in Mindoro. 



(14ffl) A. Iircvipinntiluiii, Copel., in Philipp. Journ., IIF, 291. 



Rhizome ascending, clothed with narrow, crinite, brown scales. Stipes 

 15 — 25 cm. long, stramineous like the rachis, scaly at the base. Fronds 

 25 — 30 cm. long, + 15 cm. broad, hardly broadest at the base; main 

 rachis narrowly winged towards the apex only. Pinnae sessile, spreading, 

 + 12 on each side. Pinnulae to + 13 on each side, trapezoidal, cuneate- 

 auriculate, + 11 mm. long, + 7 mm. broad, shortly inciso-crenate, 

 obtuse or subacute. Texture herbaceous; surfaces naked. Sori costal, 

 often asplenioid. — Near A. nigripes Moore but with crinite rhizome 

 scales, sessile spreading pinnae, and short, broad, non-decurrent pinnulae. 



Luzon. 



(146) A. triaiigulare, ». A. v. R., in Bull. Btz., ]915, XX, 8. 



Rhizome short, the scales subulate-lanceolate, dark-fuscous, entire. 

 Stipes aggregate, ± 10 — 25 cm. long, stramineous, sparingly scaly at the 

 base. Fronds deltoid, + 10 — 18 cm. each way, 2-pinnate. Pinnae + 

 7 — 10 on each side below the acuminate apex; higher pinnae ascending, 

 simple, oblong, the apex rounded, serrate, the sides serrate-crenate, the 

 base decurrent or obliquely truncate-cuneate, more or less auricled on 

 the upper side, the auricle serrate; central and lower pinnae pinnatifld 



