﻿266 29. LINDSAYA. § 2. EULINDSAYA. 



2.2. Fronds i\ c.M. broad or broader when fully developed (*). 

 3. Fronds to i5 c.M. long. 



$, Indiisium conlhiuous or interrupted, not undulate. 



^, Fronds small, 3 — 6 c.M. long, + i^\^ c.M. broad. 



(15) L. montana. 



■^.•^. Fronds larger, iO — i5 c.M. long, ± 2 — 5 c.M. broad. 



X. Leaflets blunt. (16a) L. humilis. 



x.x. Leaflets acute. (166) L. falcata. 



§.$. Indusium continuous, undulate. (17) L. crispa. 



3.3. Fully developed fronds more than i5 c.M. long. 



4. Rhizome short-creeping. 



>^. Texture membranaceous. (18a) L. cultrata. 



>fc.>|<. Texture coriaceous. (18^) L. crassipes. 



4.^. Rhizome firm, scandent. 



5. Leaflets crenale; sori interrupted. (19) L. pectiaata. 



5.5. Leaflets entire; sori continuous. (20) L. scandens. 



l.t. Fronds branched, i.e. 2-pinnate or 3-pinnatifid (^). 

 2'. Veins flabellale. 



jfc. Leaflets (pinnulae) 5 — 8 m.M. broad. (21) L. orbiculata. 



if.if^. Leaflets (pinnulae) iO — i5 m.M. broad. (22) L. gomphophylla. 

 2'.2'. Veins not flabellale. 



- 3'. Rranches of the fronds mostly under 2 c.M. broad. 

 §. Leafels [pinnulae) entire, crenate or toothed. 



•J-. Sori, roundish or oblong, terminal on the leaflets. 



(25) L. Iricrenata. 



■Jr.-^. Sori in a continuous submarginal line. (24) L. borneensis. 



§.§. Leaflets [pinnulae) bluntly, not deeply lobed. (25) L. rigida. 



3'.3'. Branches mostly 2 — 4 c.M. broad; leaflets [pinnulae) not entire. 



4L'. Leaflets dimorphous. (26) L. impressa. 



4'. 4'. Leaflets uniform. 



5'. Fronds ralher small, to + 30 c.M. long, the branches 



± 3—4-jugate, to i5 c.M. long. (27) L. natuiiae. 



5'.5'. Fronds rather large, to ± 80 c.M. long or longer, the 



branches ± 5 — 6-jugate, to 40 c.M. long. (28) L. longissima. 



3'.3'.3'. Branches mostly 4 c.M. broad or broader; leaflets [pinnulae) 



entire. (29) L. lancea. 



(*) See also L. concinna, J. Sm. 



{') See also L*. pectinafa, Bl. & scaudens, ///c 



