/ 



XXVI. LEGU31IN0S^. 



93 



11^ 



1' 



If 



Okd. XXVL LEGUMINOS^ Juss. 



Calyx of 4—0 sepals, more or less combined, the fifth se-rment 

 inferior. Petals various, generally 5 and papilionaceous. Stamens 

 various, generally 10, monadelphous or diadelphous. Ovary 

 1 -celled, bearmg the ovules along the upper margin, sometimes 

 stalked. Style and Stigma 1. Legume 2-valved, dehiscent or 

 ludehiscent. Seeds usually without albumen. Emhryo with the 

 radicle straight or recurved upon the cotyledons.— Trees, Herbs 

 or Shrubs. Leaves alternate, mostly compound and 'pinnatJ 

 with or without tendrils, stipule d.— They possess very various 

 prmciples and properties, and many of the plants composino- 

 this Order are of the greatest service in the arts, in medicine"' 



and domestic economy. 



^fi 



Mucuna 



Cow-itch or cow-age ; Erythrina, Gum-lac ; Pterocarpus, Gum- 

 dragon, and Saunders-wood ; Brya, Jamaica Ebony; Acacia 

 Gum- Arabic, and one kind oi India-rubber ; Dipterix, the Ton- 



Hmmatoxyl 



if era. Balsam of Copaiva ; Hym. 



GumAmme. Their seeds yield food for man and various animals, 

 their herbage for cattle.— All the British genera are papiliona- 

 ceous, with the standard superior and a vexillary estivation 

 and have 10 stamens, monadelphous or diadelphous (9 and l' 

 the solitary stamen being superior). ' 



1. 



2. 



3. 



4. 



5. 



6. 



I. 



8. 



9. 



I. Stamens monadelphous. Geniste^. 



Ulex. Calyx nearly as long as the cor., bibracteolate, 2-partite • 

 upper segment slightly 2-toothed, lower 3-toothed, Keel blunt' 

 Legume turgid. Leaves simple. 



Genista. Calyx much shorter than the cor. 3-cIeft, two upper se<r- 

 ments entire, lower one 3-toothed. Keel blunt. Leaves =imp1e 

 or tnfoliolate. ~ ^ 



Sarothamnus. Calyx much shorter than the cor., ebracteolate, 2- 



lipped, upper lip 2-toothed, lower 3-toothed. Keel blunt. Legume 

 flat. Leaves simple or trifoliolate. 



Ononis. Calyx much shorter than the cor., nearly equally 5-cIeft 



Keel rostrate. Leaves simple or trifoliolate. 

 Anthyllis. Calyx oblique at the mouth with 5 nearly equal teeth 



Keel without a beak. Leaves pinnate. 



II. Stamens diadelphous. Leaves 3— 5-foUolate. Teifolie^e. 



Medicago. Legume falcate or spirallv twisted. Keel of cor. obtuse. 

 V^alyx -teeth nearly equal. 



Melilotus. Legume nearly straight. Keel obtuse. Calyx -teeth 

 nearly equal. Flowers in long rtcemes. ^ 



^,?1^Y;^" ■'^tP"'^'^'■''^g^* °r slightlv curved, many-seeded, 



FW. ^ -y ^^^'^ . ^^^ ^^lyx. Petals distinct. Keel obtuse 

 Flowers capitate or in short racemes. 



iRiFOLiuM. Legume and ovary nearly straight, 1-4-seeded, scarcely 



