78 25. LEGUMINOS^. 



straight. -^All oui-' plants have papilionaceous flowers and 10 

 stamens in one bundle or in two bundles of 9 and 1. 



Tribe I." ZOTJSJE. Pod continuous. Cotyledons rising above 

 the ground and becoming green leaves. Leaves of \ or ^ 

 leaflets or pinnate vrith a terminal leaflet. 



* Leaflet solitary. Stamens monadelphous. 



1. ITlbx. Cat of 2 parts; the upper with 2, the lower with 3 

 minute teeth, a bract on each side a,t the base. Pod thick, 

 few-seeded,'scaroely longer than calyx, wiich nearly equals 

 the corolla. 



2. 0BNISTA. Cal. 2-lipped ; n- per hifid, lozoer 3-toothed. ■ Style 

 subulate, ascending., Stigma terminal, oblique. Cor. much 

 exceeding calyx. — Many foreign species have trifoliate 

 leaves. 



** Leaf of 8 leaflets. Stamens monadelphous, 



3. Sabothamnits. Cal. 2-Upped, the upper loith 2, the lower 

 ivith 3 teeth. Style long, curved, thickened upwards, chan- 

 nelled within. Stigma terminal, capitate, small. Pod flat. 



i. Ononis. Cal. 5-cleft ; segments narrow, the lower ones 

 longer. Keel beakeij. Style filiform, ascending. Stigma 

 terjminal, subcapitate. Pod thick. " ^ 



*** Leaf of 3 leaflets. Stamens diadelphOus. 



5. Mbdicagio. Cal. with 5 nearly equal teeth.- Keel blunt. 

 Filaments of the stamens filiform. Ovaries curved. Pod 

 1-celled, hooked or spirally twisted. Seeds 1 or many. 



6. Melilotus. Cal. with 5 nearly equal teeth. Keel blunt. 

 Filaments filiform, not adhering to the claws of the petals. 

 Ovary straight. Pod subglobose or oblong, l-oeUed, 1; — 4- 

 seeded, longer than the calyx. Pet. distinct, deciduous. 

 Fl. in long loose racemes. 



7. Teit-olium. Cal. with 5 unequal teeth. Keel blunt. 

 Filaments slightly enlarged ■kpioards and more or less adhering 

 to the claws of the petals. Pod oval, 1 — 4-seeded, included 

 in the calyx or slightly protruding. Pet. slightly combined, 

 persistent. — Fl. in close racemes. 



8. Faicatula. Cal. of '5 nearly equal teeth. Keel blimt. 

 Filam. flliform, not adhciinffto the claiDS of the petals. Pod 

 compressed, truncate, straight, 6 — 8-see^ed,' protruding 



