21B 



XLVll. LEGUMINOStE. 



FIG. 43. — 1. Lath3Tus odoratus. 2. The stamens, the upper one free, and with the style, turned 

 upwards. 3. The legume. 4. A seed, showing the embryo with the two large cotyledons. 5. Hedysa- 

 rum boreale, a leaf and jointed legumes (loments). 6. One of the joints open, showing the seed. 

 7. TrifoUum pratense. 8. The legume and part of the calyx. 9. Section of the seed. 10. A flower 

 enlarged. 



Conspectus of the Genera. 

 * Corolla papilionaceous. 



i turgid, 



00-seeded, 



f Legumes ( i-seeded. 



(00 



E 1-celled. 

 [ sub-2-celled. 

 i Stem erect. 

 ! St. twining. 



(•Herbs. 



f unequally. 



Leaves 1 ,>-..■..„=«. ^ut 



pinnate (.abruptly, . (not cirrhose. 



Phaca. a 



Astragalus. 21 

 Tephrosia. 13 

 Apios. 6 



Petalostemon. 17 

 Dalea. 18 



.S^chynormne. 25 

 Hedysarutn. 26 

 Coronilla. 

 Colutea. 

 Ainorpha. 

 Wistaria. 

 Robinia. 

 Vicia. 



24 



compr's'd. 

 [ Stamens 5. 

 ! Stamens 10. . 



S Sta. 5 & 5. . 

 J Fls. racemed. . . l Sta. 9 & 1. . 

 LLoment 2— 10-jnt. (Flowers umbellate. . 



i Fls. yellow. 

 [ Erect. . . ( Fls. blue. . 

 < unarmed. . . ( Twining. Bracts colored. 

 L Shrubs and trees, . . ( armed with stipular spines. . 



i Seeds oval. 

 $ outside. . ( Sds. globose. Pisu'/n. 



. 5 Style villous ( inside, next the free sta. Lathyrus. 



J cirrhose. (Style glabrous Ervum. 



Stem erect § Vicia. 



I J Calyx bibracteolate. . Lespedeza. 

 1-seeded, indehiscent. . (Calyx naked. . . . Psoralea. 14 



2-seeded. None of the flowers apetalous. . . Melilotus. 19 



2-seeded in the apetalous flowers AmpMcarpma. 10 

 S Keel and sta. circinate. Phaseoliis. 5 

 5 Cal.S-toothed ( Keel long-clawed, . . Clitoria. 9 



00-seeded. (Calyx 4-toothed Galactia. 8 



, \ i 2 jointed and one-seeded Stylosanthes. 23 



r pinnately. ( Loment ( several jointed, several-seeded Dcsmodium. 27 



I \ Leg. falcate or spiral. . Medicago. 20 



S Stamens diadelph. (9ft 1.) (Leg. included in cal. . Trifolium. 18 



{ Stamens lo, distinct, equal. Baptisia. 33 



taburnum. 32 



i Herbs Crotalaria. 30 



i Shrubs Genista. 29 



Leaves simple. . . . ( Trees ... Cercis. »4 



leaves palmately S-ls foliate Uipimu. SI 



28 



Leaves (Herbs. 



8-foliate (.palmately. (Trees. 



