LEGUMINOS^. 181 



15. Zornia GMEL. 



Zornia diphylla PERS. ; BAKER iu HOOK. f. Fl. Brit. lud. II. p. 147 ; 

 BENTH. Fl. Hongk. p. 80 ; MAXIM, in MeL Biol. XII. p. 436 ; FOBBES et 

 HEMSL. Ind. Fl. Sin. I. p. 171 ; MATSUM. et HAYATA Enura. PI. Formos. p. 

 106. 



HAD. Taito: Suibi. 



DISTRIB. Diffused all over the Tropics. 



16. DesmodiwHi DESV. 

 Dichotomous Key to the Formosan S'pecies. 



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



peduncled 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) Slrrubs with 1-foliolate leaves, winged petioles, racemose flowers, minute 



bracts and acute keel. 



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



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



deciduous bracts and distinctly jointed pods. (5) 

 / ) Trailing herbs, w r ith ] 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) 

 (j) Erect under-shrubs, with large leaves, racemose flower's 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. umbdlatum. 

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



(2) D. jndchdlum. 



(3) D. laburnifdium. 



(4) D. pseudo-iriqudrum. 



