Obdeb 46.— leguminous PLANTS. 



187 



about 10 stamens^ monadelphous, diadelphous, or distinct ; 

 , a single, simple pistil, producing a legume in fruit, and with 

 no albumen in the seeds. 



Fig. 448. Flower of the Pea. Mg. 444. Its petals displayed; v, the bannei; a, a, the wings; 

 0, c, the 2 keel petals. Fig. 445. A legume (pea-pod). 



Analysis of the Genera. 



Flowers papilionaceous (§ 89). Upper petal (banner) covering the rest in bud. 

 Flowers nearly regular, or upper petal covered by the rest in bud . . . . t 

 Flowers regular, in dense heads. Petals valvate in bud. Leaves bipennato . . 



2 Stamens 10, all distinct s 



2 Stamens 10, all or 9 united 3 



S Leaves cirrhous {Fig. 96), the rachis ending with a tendril . . . . r 

 8 Leaves not oirrhous....4 , 



4 Pod a loment (§ 180), i. e., jointed between the seeds 6 



4 Pod a legume, 1, 2, or <o seeded, not in joints. . . .5 



.2 



5 Erect (or if prostrate^ with palmately 8-foliate leaves) . 

 5 Trailing or twining vines, leaves pinnately compound. . . 



6 Flowers yellow q 



6 Flowers cyanic (not yellow) p 



7 Leaves simple, with yellow flowers o 



7 Leaves palmately 5-15-foliate (rarely simple).... n 

 7 Leaves palmately 3~foliate. . . .m 



7 Leaves pinnately 8-foliate k 



7 Leaves pinnate with no odd leaflet, 15-25 pairs . . . .h 

 7 Leaves pinnate with an odd leaflet — 8 



