38 Materials for a Flora of the Malayan Peninsula. 



Spikes or racemes axillary. 



Spicate cymes or racemes from 4 to 

 8 in. long. 

 Disc fleshy, glabrous, crenulate, 

 sliglitly longer than the hemis- 

 pheric densely puberulous ovary ; 

 flowers "2 in. long ... ... 15. D. racemosum. 



Disc puberulous, with thickened 

 rugulose pilose mouth, longer 

 than the ovoid-conic pubescent 

 ovary ; flowers "6 in. long ... 16. D. microhotrys. 



Spikes f lom 2 to 4 in. long. 



Disc glabrous, longer than the pu- 

 berulous 4-furrowed ovary ; flow- 

 ers '35 in. long ... ... 17. D.Jlavescens. 



Spikes or racemes not more than 2 in. 

 long. 

 Leaves not rugulose "when dry. 



Disc fleshy, annular, crenulate, 

 shorter than the conic pubescent 



ovary; flowers '5 in, long ... 18. D. andamanicum. 

 Leaves rugulose or papillose. 



Disc fleshy, glabrous, 8- to 9- tooth- 

 ed, exceeding the hemispheric 

 ridged puberulous ovary; flowers 

 •2 in. long ... ... 19. D. rugiilosum. 



Flower buds globose, "15 in. in 

 diam. ; calyx campanulate ; disc 

 none, or very small, ovary broad- 

 ly ovoid... ... ... 20. D. papillosum. 



1 Dysoxylum akborescens, Miq. in Ann. Mus. Lugd. Bat. IV, 21. 

 A tree 20 to 30 feet high. Leaves 6 to 9 in. long, unequally pinnate, 

 glabrous ; leaflets 2 to 3 pairs, membranous, opposite or snb-opposite, 

 elliptic (sometimes rather broadly so), slightly obovate, shortly abruptly 

 and obtusely acuminate, the base very cuneate ; main nerves 6 to 8 pairs 

 spreading, curving, not prominent on either surface ; length 2*5 to "5 

 in. breadth 1"25 to 2'25 in., the odd leaflet usually the largest ; petiolules 

 slender, '3 to "5 in., that of the odd leaflet often 1 in. Panicles extra-axil- 

 lary, solitary, r5to4in. long, with a few short lax-flowered divaricating 

 branches. Flowers •25 in. long, on thin pedicels of the same length. 

 Calyx a very shallow obscurely toothed cup. Petals 5, linear, slightly 

 thickened and narrowed towards the apex, glabrous, longer than the sta- 

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