Phaseolus LEGUMINOS^E 63 



Species 150, dispersed through the tropics, subtropics, and 

 southern Europe. 



Calyx 4-tootlied. Leaflets ovate to ovate-rhomboid. 

 Corolla 1 • 5-2 cm. 1. Lateral teeth of calyx triangular, 

 not falcate. 

 Bracteoles much shorter than the calyx; Pod, upper 



margin recurved, lower broadly rounded 1. P. lunatus. 



Bracteoles longer than, or equalling, the calyx. 

 Pod oblong-linear, upper margin straight or 



slightly recurved 2. P. vulgaris. 



Corolla 2-2 • 5 cm. 1.- Lateral teeth of calyx lanceolate- 

 falcate 3. P. adenanthus. 



Calyx 5-toothed. Leaflets ovate-lanceolate to linear 4. P. lathyroides. 



Fig. 20.— Phmeohis adenanthus G. F. W. Mey. 



A, Small leaf and raceme X 'i. 



B, Flower, one of the wings pulled back, 

 ' nat. size. 



C, Bracteole. calyx, and stamens enclosing 



the pistil X Ij. 



D, Pod with two seeds exposed x §. 



§ 1. Calyx campanulate, 4-toothed, upper tooth broad, short, 

 truncate or broadly rounded, sometimes slightly emar- 

 ginate Leaflets ovate to ovate-rhomboid. 



1. P. lunatus L. Sp. PL 724 (1753) ; inflorescence short- 

 stalked, shorter than the leaves ; bracteoles much shorter than 

 the calyx; corolla 1-1*5 cm. 1. ; upper margin of pod generally 

 recurved, lovrer margin broadly rounded, to about 2 cm. br.— 

 Wight Ic. t. 755 ; Benth. in Fl. Bras. xv. pt. 1, 181 ; Griseh. Fl. 



