218 



XLVll. LEGUMINOSiE. 



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

 upwards. 3. The legume. 4. A seed, showing the embrj'o 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. Trifolium pratense. 8. The legume and part of the calyx. 9. Section of the seed. 10. A flower 

 enlarged. 



Conspectus of the Genera. 

 * Corolla papilionaceous. 



r Legumeei ( l-seeded 



\: 



OO-seeded, 



■ turgid, 



1-ceIled. 

 sub-2-celled. 

 Stem erect. 

 St. twining. 



. compr's'd. ( 

 > Stamens 5. 

 •Stamens 10. . 



S Sta. 5 & 5. 



Vhojca. 



Astragalus. 



Tephrosia. 



Herbs. 



\^ Fls. racemed. . . { Sta. 9 & l. 

 Loment 2— 10-jnt. \ Flowers umbellate. 



r unequally. I Shrubs and trees. 



Leaves 

 pinnate 



\ Fls. yellow. 

 \ Erect. . . I Fls. blue. . 

 ^ unarmed. . . { Twining. Bracts colored. 

 ( armed with stipular spines. . 



<t Seeds oval, 

 ^outside. . (Sds. globose 



J Style villous (inside, next the free sta. 



k cirrhose. I Style glabrous Ervum. 



.abruptly, . (not cirrhose. Stem erect % Vicia. 



\ Calyx bibracteolate. . Lespedeza 

 C l-seeded, indehiscent. . ( Calyx naked. . . . Psoralea. 

 ■ 2-seeded. None of the flowers apetalous. , . Meliloti/s. 



Petalosiemon. 17 



DaJea. 16 



JEschijnomene. 25 



Hedysarum. 26 



Coronilla. 



Coluteu. 



Amorpha. 



Wistaria, 



Robinia. 



Vicia. 



Pisu'iii. 



Lathijrus. 



2-seeded in the apetalous flowers Amphicarpesa. 10 



Keel and sta. circinate. Phaseolua. 



I J Cal.S-toothed \ Keel long-clawed, . . Clitoria. 



(Legumes (.OO-seeded. (Calyx 4-toothed Galactia. 



< \ 2-jointed and one-seeded Stylosanthes. 



'pinnately. ( Loment ( several-jointed, several-seeded Desnwdium. 



^ Leg. falcate or spiral. . Medicago. 



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



Leaves \ Herbs. . ( Stamens 10, distinct, equal Baptisia. 



3-foliate L palmately. ( Trees Laburnum. 



( Herbs Crotalaria. 



< Shrubs Genista. 



Leaves simple. . . . ( Trees Cercis. 



Leaves palmately 5— 15 foliate Lupinu«. 



