■ ^ 1 



-I r ^"l^^ 

 4 



PERKINS THE LEGUMINOSAE OP PORTO RICO. 



137 



Connoctivr not app(^iulii.iiIato; plunLs very 



rarely clothed with malpighiaceous hairs. 



Seeds usually 1 or 2, rarely 3 or 4; pod 



small, 1-seededj iiideliiscent; herl)s or 



shrubs with glanchilar dotfl. (Psora- 



LIINAE.) 



Seeds nsuariy several or more, rarely 

 with ghin(kilar haii.^, very rarely with 

 glandular dots. 



Iiinoresceneo or racemes us\ially lor- 

 ininal, or tcTiniual and axillary. 

 (Tefhrostinae.) 



Style not l)earded (rarely a 

 small f uft of hairs cm the 

 stigma in Teplirosia); ]>etal8 

 with sliort elaws. 

 Style Ix^arded longitudinally in- 

 side; petals with v<Ty h»ng 



30. Dalca (p. 173). 



ni. Tephrnsia (p. 174) 



claws; ralyx long-tu1)uliform. 32, Barburia (p. 175). 

 Infloreseenec^ always axillary; slipe 

 of the ovary without a diKous at 

 the ba^e. (Robixiineae.) 

 Pod not t^eptate within. 



Leaf] ets without st i pels ; 

 stigma terminal: stipules 

 small sf^taceous. 



Leaves iniijaripinnate. 33. Gliriddia (p, 17G). 



Leaves paripiniiate. 

 Leaflets with small stipels; 

 stigma l)eIow the some- 

 what hooked apex of tl 



35. Subtnea ('p. 177). 



lie 



style; stipules stiff, some- 

 tiuK^R spinous. 

 Pod xwith transverse partitions 

 betAvcM^n the seeds. 



Styh^ long-bearded on the 



inner side. 

 Style glabrous. 

 Stamens 10, monadelphous or diadelplious; pod 

 articulated; usually erect hcrl>s or shrubs, with 

 impari pinnate leaves. (IIeoysaheae.) 



Upper slanu II free toward the middU* or con- 

 nate with the others h'om the base; li^aflets 

 stipellate. (Desmoiuknak.) 



Pod compressed, straight; calyx herba- 

 ceous. 



34. CoryndJn (p. 177). 



36. Cracca (]>. 178). 



37. jSesbania (p. 179). 



43. Desniodiinn (p, 1S5). 



Pod terete, straiglit ; calyx glumaceous. 4\. Ali/sicarpus (p. 191), 

 Stamens all united in a sheath moro nr less 

 split on both the uppor and the lower edges 

 dividing the stamens into two btmdles; 

 flowers in axilhiry, usually few-flowered 

 racemes, more rarely fascicled in I he axils 

 of the leaves; leaves pinnate; leafl(^ts nu- 



