96 BOTANTC'AL MAGAZINE. IVoi. xvi, 



A. A tiill slirnb. Petioles winged. Forinosiv. 



F. sfrirfn, Tloxb. var. pteropH-t, Baker. 



B. A low tlifTuFe uinlerslirul). Petioles not winged. Formosa. 



F. nana, Roxb. 



69. PTEROCARPUS, L. 



Flowers yellowish, in raceraes. Petals long-clawed ; standard and wings 

 crisped. Pod orbicular, with a l)road wing. An erect tree. Leailets 7-11, 

 elliptical, or roundish pointed; fine-veined. Linkin. 



(Vf >') p. indicuft, Willd. 



70. PONGAIVIIA, VENT. 



Flowers racemcd. Calyx siibtrnncate. Stamens monadelphons. Stigma 

 capitate. Pod woody, flattened, oblong, indehiscent. An erect tree. Leaflets 

 .5. Linkin and Formosa. 



(^ n a - ±, t ij '- ¥ -) P. (jlahra, Vent. 



71. DERRIS, LOUR. 



Calyx truncate. Woody climbers. Leaflets 7-13, opposite. 

 I. Leaflets 1.3-19 oblong or elli[)tical, sericeous below. Flowers un- 

 known, Formosa. 



D. chinensis, Bentli. 



II. Leaflets 5-7, glabrous below. 



A. Leaflets subcordate at base. Flowers whitish. Liukiu and 



Formosa. 



(-yt/'^ty^) D. uliginosa, Benth. 



B. Leaflets rather acute at base. Flowers unknown. Formosa. 



D. laxijlora, Benth. 



72. EUCHRESTA, BENNETT. 



Flowers white, in terminal racemes. Stamens diadelphous. Ovary 

 long-stalked. Pod rather fleshy, blackish-violet, shining. A shrub. 



( 38 ) 



