PAPILIONACEAE (PEA FAMILY) 



3 a Heads oblong, short-stalked ; leaflets oval 



HAIRY BUSH-CLOVER. (L. hirta.) 

 b Heads globose, long-stalked ; leaflets oblong 



ROUND-HEADED BUSH-CLOVER. (L. capitata.) 



4 a Flower-clusters short-stalked, shorter than the leaves.... 5 

 b Flower-clusters long-stalked, usually longer than the 



leaves 6 



5 a Leaflets oval ; plant usually branched 



WAND-LIKE BUSH-CLOVER. (L. frutescens.) 

 b Leaflets linear; plant not branched 



SLENDER BUSH-CLOVER. (L. virginlca.) 



6 a Plant usually erect; leaflets Vz-2 in. long 



VIOLET BUSH-CLOVER. (L. violacea.) 

 b Plants prostrate or spreading; leaflets a /4-i in. long.... 7 



7 a Plant very hairy throughout 



TRAILING BUSH-CLOVER. (L. procumbent.) 

 b Plant not hairy or only slightly so 



CREEPING BUSH-CLOVER. (L. repens.) 



29 PUERARIA KUDZU VINE. (P. thunbergiana*) 



30 FALCATA HOG PEANUT. (F. combsa.) 



31 GALACTIA. 



i a Plant covered with fine hairs throughout 



DOWNY MILK PEA. (G. volubilis.) 

 b Plant not covered with fine hairs throughout 



MILK PEA. (G. regularis.) 



32 D6LICHOS HYACINTH BEAN. (D. Idblab*) 



33 PHASfcOLUS. 



1 a Wild plant, climbing or trailing 



WILD BEAN. (P. polystachyus.) 

 b Cultivated plants 2 



2 a Seeds oblong, nearly cylindric, only slightly flattened ; 



plant usually not climbing.CoMMON BEAN. (P. vulgaris*) 

 b Seeds usually conspicuously flattened; plants usually 



climbing 3 



3 a Seeds oblong, % in. or more long, somewhat flat- 



tened ; sparingly cultivated 



SCARLET-RUNNER BEAN. (P. multiflbrus*) 

 b Seeds % in. or less long, much flattened ; commonly 



cultivated LIMA BEAN. (P. lunatus*) 



34 MEIB6MIA. 



1 a Leaves more or less in a whorl at the summit of stem. . 2 

 b Leaves not in a whorl at summit of stem; stem leafy. . 3 



2 a Flowering stalk arising from base of plant; leaflets blunt- 



pointed . . NAKED-FLOWERED TICK-TREFOIL. (M. nudiflbra.) 

 b Flowering stalk arising from summit of stem ; leaflets 

 abruptly sharp-pointed 



LARGE-FLOWERED TICK-TREFOIL. (M. grandiflbra.) 



176 



