Materials for a Flora of the Malayan Peninsula. 



173 



completely falling off after fruiting. Spadices 

 short compact unisexual or rarely bisexual. 

 Spadix bisexual, male and female flowers on 

 the same spadix in pairs 



Spadices unisexual. Plant not scandent, form- 

 ing a bush. Outer spathe densely cover- 

 ed with crinite bristle-like spines 

 Outer spathe acutely 2 keeled. Spines 



scattered 

 Scandent plants with long stems. Outer 

 spathe completely covering the inner 

 ones. Spadix elongate. Fruit globose. 

 Outer spathe abruptly beaked. 



Spines slender black acicular, fruit glo- 

 bose. 

 Stem short, spathe under a foot long, 



beak longer than the body • •• 

 Stem tall, spathe over a foot, beak shorter 

 Fruit obovoid 



Spines dagger-shaped scattered 

 Spines broader connate in short rows 

 Outer spathe gradually tapering fusiform 



at both ends ... 

 Spathes not completely covering each 

 other ••• 

 Spadix very compact, fruit young cylindric ... 

 Doubtful ... ... ... 



§ 2. Piptospathae. Outer spathe not 

 covering the others, panicle diffuse. 



Eesiniferae. 



Stem unarmed, with low elevated ridges • •• 

 Stem strongly spiny, leaflets in distant 

 pairs broad 

 Leaflets equidistant 

 Stems with few seathered spines ... 

 Not resiniferous. 



Stems armed with strong spines at the 

 mouth, fruit oblong ... 

 Fruit globose, leaflets in alternate groups 



of three distant 

 Leaflets equidistant, peduncle of spathe 

 long ancipitous flat unarmed 



1. D. angustifolius. 



2. D. calicarpus. 



3. D. microthamnus. 



4. D. monticolus. 



5. D. Lexoisianus. 



6. D. aciculatus. 



7. D. grand is. 



8. D. carcharodon. 



9. D. hygropliilus. 



10. D. calospatha. 



11. D. congesta. 



12. D. imbellis. 



13. D. pseudosepal. 



14. D. micracantkus. 



15. D. didymophyllus. 



16. D.propinquus. 



17. D. Icptopus. 



18. D. Hystrix. 



19. D. dissitophyllus. 



20. D. longipes. 



