LEGUMINOSJE. 181 



15. Zot'tiia GMEL. 



Zornia diphylla PERS. ; BAKER ID HOOK. f. Fl. Brit. Iiid. II. p. 147 ; 

 BENTH. Fl. Hongk. p. 80 ; MAXIM, in Mel. Biol. XII. p. 436 ; FORBES et 

 HEMSL. Iiid. Fl. Sin. I. p. 171 ; MATSUM. et HAY ATA Euum. PI. Formos. p. 

 106. 



HAB. Taito: Suibi. 



DISTRIB. Diffused all over the Tropics. 



16. Desttiodiiun DESV. 

 Dickotomous Key to the Formosan Species. 



a) Shrubs with woody branches, 3-foliolate leaves, flowers in dense sliort- 



ped uncled or sessile axillary umbels, minute deciduous bracts. (1) 



b) Shrubs with woody branches, 3-foliolate leaves, flowers umbellate, the 



umbels in long continuous rows and each hidden by a pair of per- 

 sistent bracts. (2) 



c) Shrubs with woody branches, 3-foliolate leaves, long racemes, small 



bracts and long pendulous many- jointed pods. (3) 



d) Shrubs with 1-foliolate leaves, winged petioles, racemose flowers, minute 



bracts and acute keel. (4) 

 e} Erect herbs or under-shrubs with large 1-3-foliolate leaves, flowers often 



2 or several from a node in long racemes simple or panicled, 



deciduous bracts and distinctly jointed pods. (5) 

 /) Trailing herbs, with \ small 3-foliolate stipellate leaves, flowers in sparsely 



lax racemes or 1-2 in the axils of the leaves, deciduous bracts and 



distinctly jointed pods. (11) 

 g) Erect uuder-shrubs, with large leaves, racemose flowers and indistinctly 



jointed pods dehiscing in a continuous line along the ventral suture. (14) 



(1) Leaflets obovate obtuse or nearly rounded at the apex. ..D. umbellatum. 

 Leaflets obovately oblong, acute at the apex D. Ceplialotes. 



(2) D. pulcliellum. 



(3) D. laburnifolium. 



(4) D. pseudo-triqiietrum. 



