i82 LEGUMINOSAE 



jointed, or i -jointed. China and Japan. (Fig. 3 L.) (Campylotropis is similar 

 except that the fl. -stalks are jointed.) 



Medicago arborea. Moon Trefoil. 8. April-September. D. Stems very 

 leafy, little branched, covered with grey down. Ls. 3-fol., stalk hairy; Iflts. wedge- 

 shaped, f , toothed or entire, middle one stalked, silky below. Fls. |, yellow, 

 crowded at end of shoot in axillary racemes. Pod |, curled. South Europe. 

 (Fig. 3 K.) 



NoTosPARTiUM Carmichaeliae. Pink Broom. 10. July. D. Branches arching, 

 slender, rush-like, slightly flattened, grooved. Ls. few or absent, simple, roundish 

 ov., J, only seen on young plants. Fls. J, purplish pink, in downy axillary racemes. 

 Pod I, slender, 3-8-jointed. New Zealand. (Fig. 37 s.) 



* PsoRALEA GLANDULOSA. 6. July-August. E. Ls. alternate, 3-fol.; Iflts. ov., 

 lane, gland-dotted, stalked. Fls. I, blue and white, in long axillary racemes. 

 South America. (Fig. 2 K.) 



* PuERARiA Thunbergiana. Kudzu Vine. Tall climber. July-August. Ls. 

 3-fol., long-stalked; Iflts. ov., 6, entire or lobed, terminal one the largest, hairy on 

 margins, stipulate. Fls. f , violet, in dense erect terminal racemes up to 9 long. 

 Pod 3 X ^, hairy. (Root is fleshy and tuberous.) China and Japan, 



ROBINLA. Buds small, hidden by base of 1. -stalk, no terminal bud. Branchlets 

 usually with stipular spines in pairs. Ls. pinnate; Iflts. ov., entire. Fls. in drooping 

 racemes. Pod oblong or linear, splitting into two. 



R. hispida. Rose Acacia. 12. June. D. Branchlets bristly, usually without 



spines. Lflts. 2, with minute point at end, hairless or nearly so. Fls. i, 



deep rose. Pod 3, bristly. South United States. 

 R. Kelseyi. 12. June. D. Branchlets hairless, with slender prickles. Lflts. 



lane, \\, pointed, hairless. Fls. i, bright rose. Pod 2, reddish, bristly. 



East United States. (Fig. 14 b.) 

 R. Pseudacacia. Locust Tree, False Acacia. 80. June. D. Bark with deep 



interlacing corrugations. Branchlets tortuous. Lflts. 2, rounded or 



notched at apex; downy at first, then smooth. Fls. f, white. Pod 3, not 



bristly. East United States. (Fig. 13 g.) 



Variety aurea. Ls. yellow. 



Variety Decaisneana. Fls. pink. 



Variety fastigiata. Branches all upright (like Lombardy poplar). 



Variety inermis. Small mop-headed tree, without spines. 



WISTARIA. Woody climbers. 25. May-June. D. Ls. pinnate; lflts. ov., 

 lane, 3, entire, pointed, on short foot-stalk, margins often wavy. Fls. f, lilac or 

 white, in long vertically hanging racemes. Pod 6, elongated, flattened, with 

 persistent style. 



W. floribunda. Ls. 13-19-fol. Racemes lilac, up to 10 long. Japan. 



Variety alba. Fls. white. 



Variety macrobotrys {midtijiiga). Racemes up to 36 long. 

 W. sinensis. Ls, 9-1 3-fol. Racemes lilac, up to 12 long. China. (Fig. 13 A.) 



Variety alba. Fls. white. 

 W. venusta. Lflts. downy. Racemes white, up to 6 long. China and Japan. 



