5 strigosa. 



6 pinangensis. 



rgmna. 

 8 pensile. 



THE FERN-ALLIES OF THE MALAY PENINSULA. 1 47 



Lower plane, oblong, glabrous 4 ^carea. 



.Lower plane ovate strigose 



Upper plane leaves on stem orbicular cordate 



ciliate 

 Long creeping plants. Branches long, fruiting 



ones erect 3 in. long ^7 j^ en 



Branches and spikes short 



** Erect plants 3-4 in tall. Lower plane ovate 9 micro dendr on. 



^°*T P lT f l0 " g 10 Lanhawiense. 



"* " -brect bushv plants rooting at base only, 6 in. 

 or more tall. Leaves glabrous. Lower plane 



_ ovate . . 11 suberecta. 



Leaves oblong, on stem spreading green, rather 



. lar " e • • . . 12 Plumea, 



On stem spreading green very small . . . . 13 acutangula. 



On stem appressed small, copper coloured . . 14 cuprea. 



Lower plane ciliate on broad recurved basal edo- e 15 trichobasis. 



Lower plane large, oblong . . 16 atroviridis. 



Base of stem bare, branches wide spreading at 

 top only. Branches long, lanceolate, branch- 

 lets simple leaves approximate. Leaves on 

 stem very small bran chiefs not overlapping 17 Wallichii. 



Leaves on stem large, branchlets overlapping . . 18 illustris. 



Branches much branched, leaves not touching . . 19 inaequifolia. 



Leaves very small, close set. Stem leaves moder- 

 ately large 20 flabellata. 



Stem leaves very small, leaves silvery at back . . 21 argentea. 



****Long straggling plants several feet long, 

 much branched, stem leaves remote. Bracts 

 short, ovate. Two to 3 ft. tall not sarmen- 

 tose. Leaves acute. Bracts larger more 

 pointed . . . . 22 caudata. 



Many feet long scandent leaves, blunt Bracts 



small 23 laevigata. 



Leaves not herbaceous, very stiff, closely imbri- 

 cating . . . . . . . . . . 24 reptans. 



2. Heterostachyeae. Bracts dissimilar those of upper plane 

 broad, flat, spreading, those of the lower plane smaller usually 

 ovate cuspidate erect, spike thus resupinate, the smaller bracts 

 in the same plane as the larger leaves and vice versa. 



* Small prostrate creeping species. Spikes short 

 and broad, the lower plane bracts nearly as 

 large and like the upper . . . . . . 25 Belangeri. 



Bracts of lower plane much smaller than upper, 

 erect, very slender. Leaves glabrous distant, 

 ovate very small . . . . . . . . 26 Wattii. 



R. A. Soc, No. 80, 1919. 



