Materials f 07' a Flora of the Malayaii Pen insula. 



97 



to be typical Pongmia glabra, Derry's ^ Malapari 'is var. xerocarpa, and so apparently, 

 judging by Miquel's description, is Teysmann's. 



28. Debris Lour. 



Climbers, rarely erect trees. Leaves odd-pinnate, witli usually ex- 

 stipellate leaflets. Flowers copious, usually fascicled, showy, in axillary 

 or terminal racemes or panicles. Calyx campanulate, nearly truncate. 

 Corolla much exserfced, standard broad; keel obtuse, the petals cohering 

 slightly. Stamens usually monadelphous, the upper one free in § 

 Aganope ; anthers versatile. Owar?/ sessile, few-ovuled ; style incurved, 

 filiform, stigma capitate. Fod rigid, thin, flat, indehiscent, oblong if 

 one-seeded, strap-shaped if few-seeded, with a distinct wing down the 

 upper or both sutures. Distrib. Species about 40, belting the world in 

 the tropics. 



Standard not callose at the base : — 



Vexillary stamen free throughout ; flowers single in ample 

 tliyi-soid panicles with nodes neither tumid nor produced 

 into stalks (§ Aganope) : — 



Pod winged only along the upper suture, and sinuate 



between the seeds; corolla over \ in. long .. ... 1. D. sinuata. 



Pod winged down both sutures, not sinuate between the 

 seeds; corolla under J in. long : — 



Buds and flowers distinctly pedicelled,bracteoles shorter 



than buds ... ... ... ... 2. D. Wallichii. 



Buds and flowers subsessile, bracteoles exceeding the 



buds ... ... ... ... ... 3. 2>. thyrsifiora^ 



Vexillary stamen united with the others at least in the 

 centre of tube ; flowers fascicled on tumid nodes that are 

 sometimes produced into stalks : — 



Pods winged only along upper suture : — 



Pod narrow, pointed at both ends, several-seeded 

 (§ Brachypterum ): — 



Climbers, leaflets 9-19 medium, acute ; flowers in 



long lax panicles exceeding the leaves ... ... 4. D. scan dens. 



Trees, leaflets 25-39 small, rounded ; flowers in dense 



panicles shorter than the leaves ... ... 5. B.dalhergioideSi 



Pod suborbicular or shortly broadly-oblong, obtuse, 

 few- seeded (§ Euderris) : — 

 Leaflets glabrous, not exceeding 5 in. long, exstipel- 

 late; pods glabrous ... ... ... 6. D. uliginosa. 



Leaflets pubescent beneath, often 6-8 in. long, stipel- 



late ; pods pubescent ... ... ... 7. D. elegans. 



Pod winged along both sutures [unknown in D. affinis and 

 D.fiorihunda] (§ Dipteroderris) : — 

 Kachis and branches of panicle densely silky ; pod silky ; 

 (leaves faintly-veined) ... ... ... S^ L.ttudamanica. 



97 



