﻿55. ASPLENIUM. § 2. NEOTTOPTERIS. 441 



a.a. Margin crenate, serrate or toothed. 



+. Rhizome erect, scaly. Fronds finely acuminate. 



(12) A. Mactierii. 

 +.+. Rhizome wide-creeping, naked. Fronds acute. 



(13) A. vittaeforrae. 

 2.2. Stipes more or less scaly. 



3. Margin quite entire or obscurely repand. 



A. Surfaces naked. (14) A. scolopendrioides. 



4.^. Surfaces scaly, at least on the costa beneath. 



5. Fronds narrow, i'/j — ^% ^•^- broad; surfaces naked, 

 costa scaly. (15) A. apoense. 



3.6. Fronds broader, 3 — iO c.M. broad; under surface + 

 scaly, at least when young. 



e. Fronds 3—3% c.M. broad. (16) A. natunae. 



6.€. Fronds 3^l..^—-iO c.M. broad. 



7. Fronds not rounded, not abruptly acuminate at 



the apex. (l^a) A. squamulatuin. 



7.7. Fronds rounded and abruptly acuminate at the 



apex. (176) A. Werneri. 



3.3. Margin crenate, at least towards the apex of the frond. 



-h. Fronds rather distant, 25 — 35 c.M. long ; costa prominent. 



(18) A. glochidiatum. 

 +.+. Fronds densely approximate, 40 — 50 c.M. long: costa depressed. 



(19) A. comosum. 



(5) A. epi|»liyUcuiti, Copel., Polypod. Philipp., 79. 



Rhizome scandent, clothed with few, small scales. Stipes distant, + 8 

 c.M. long, covered with minute, ferrugineous scales. Fronds simple, 20 — 30 

 c.M. long, + 4 c.M. broad, acuminate, crenate or serrate, the base obtuse 

 or subacute. Texture membranaceous; surfaces naked: costa firm, scaly; 

 veins conspicuous, often forked, nearly spreading. Sori linear, not reaching 

 the costa and the margin. — The fronds of the young plants are sometimes 

 2 — 3-pinnatisect or entire in the upper and divided in the lower part. 



Mindanao. 



* (6) A. aiubuiueiise, inild., Rac, Flor. Btz., 1, 210; A. /'e/ee/we, 



