94 



XXVI. LEGUMIN0SJ2 



[ TJ'lex, 



longer than the calyx. Petals cohering bv their claws. Keel 

 obtuse. Calyx-teeth unequal. Flowers capitate or in short 

 racemes. 



10. Lotus. Legume nearly straight. Keel rostrate. 



III. Stamens diadeJphous. Leaves pinnate. Tendrils 0. Legume dtlds- 



cent, several-seeded, imperfectly 2-celled hy the introjiexion of one 

 of the sutures. AsTRAGALEiE. 



11. OxYTROPis. Keel acuminated. Legume with the upper or seed- 



bearing suture iuflexed. 



12. Astragalus. Keel obtuse. Legume with the lower suture inflexcd. 



IV. Stamens diadeJphous, Leaves pinnate. Tendrils 0. Legume indehis' 

 cent, divided transversely into one or more 1-seeded cells. Hedysaek^e. 



13. Ornithopus. Flow^ers umbellate, bracteate. Keel small obtuse. 



Legume compressed, contracted on both sides at the joints. 



14. Arthrolobium. Flowers umbellate, without bracteas. Keel small, 



.obtuse. Legume terete, scarcely contracted at the joints, 



15. HirpocREPis. Flowers umbellate. Keel acuminate. Legume 



"straight on one side, nmch contracted on the other at the joints. 



16. Onobrychis. Flowers racemose. Legume of a single 1-seeded joint. 



V. Stamens diadelphous. L^eaves pinnate or apparently simple, usually 



with tendrils. Legume 2-valved, several-seeded, the suture not intro- 

 flexed. ViciEiE. 



17. ViciA. Style filiform or angular, equally hairy all round below the 



point, or mostly so on the under-side. 



18. Lathyrus. Style dilated upwards, flat, pubescent only on the upper 



side below the apex. Leaves with tendrils or apparently simple. 



19. Orobus. Style flat or dilated upwards, pubescent only on the upper 



side. Leaves pinnate without tendrils. 



Tribe I. Geniste^. Legume l-celled. 



Stamens mostly mona- 



Stems 



delphous. Leaves simple or trifoliolate^ rarely pinnate, 

 generally shrubby , (Gen. 1 — 5.) 



1, U^LEX Linn. Furze. 



/ 



) 



■ CaL 2 -partite, with a small scale or bractea on each side at 

 the base ; segments nearly entire or upper one 2-toothed 

 lower 3-toothed. Standard bifid, scarcely longer than the 

 cal. Keel erect, blunt. Legume turgid, few-seeded, scarcely 

 longer than thecalyx= — Leaves simple. — Name from the Celtic 

 uile^ all; and also, according to Tlieis, from ec or ac^ ^ sliarp 

 point; whence, too, arises the French name ajonc or acjonc^^ 

 sharp or spiny inish, 



1. U. Europm'us L. (common i^., Whin^ or Gorse) ; calvx 

 somewhat hirsute with slightly spreading hairs the teeth nearly 

 obsolete, bracteas large ovate lax, wings manifestly longer tnaii 

 the keel and imbricated over it. — a. much branched and spread- 

 ing, spines usually rigid. E. B. t. 742.-/3. strictus, branches 

 upright, compact, spines soft. U. strictus Mackay. 



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