MED1CAGO. 89 



6. MEDICA'GO Linn. 



* Pods without spines. 



(Sp. 1, 2, and 3 are said to be sometimes mouadelplious.) 



*1. M. saliva (L.) ; st. erect, racemes many-flowered, pods 

 compressed loosely spiral with 2 or 3 turns downy with adpressed 

 hairs, pedicels shorter than the calyx or bract, leaflets obovate- 

 oblong dentate above emarginate mucronate. E.B. 1749. St. 

 angular when young. Pods twisted into a loose open spiral. 

 Fl. large, yellow or violet. Hedgebanks and borders of fields, 

 scarcely naturalized. P. VI. VII. Lucerne. E. S. 



2. M. sylves'tris (Fries) ; st. rather quadrangular pithy as- 

 cending, racemes many- flowered, pods forming one complete 



flat ring, pedicels shorter than the cal. longer than the bract, 

 Its. obovate-oblong dentate above emarginate mucronate. 

 E. B. S. 2980. Fl. large, yellow or blackish green with 

 darker streaks. Sndy and gravelly places in Norfolk and 

 Suffolk. P. VI. VII. E. LJ I.] 



3. M. falcdta (L.) ; st. usually terete nearly solid prostrate, 

 racemes many-flowered, pods straightly sickle-shaped twisted 

 not forming a Tiny, pedicels shorter than the cal. longer than 

 the bract, Its. obovate-oblong dentate emarginate mucronate. 

 E. B. 101(3. Fl. large, yellow. Sandy and gravelly places in 

 Norfolk and Suffolk. P". VI. VII. Yellow Medick. E. 



4. M. lupulina (L.) ; spikes many-flowered dense ovoid, pods 

 compressed kidney-shaped with a spiral point with longitudinal 

 branched prominent veins, stip. obliquely ovate slightly toothed, 

 leaflets roundish-ovate denticulate emarginate mucronate. 

 E. B. 971. St. procumbent or ascending, spreading widely. 

 Pods 1 -seeded, glabrous or slightly hairy. Fl. small, yellow. 

 [Var. Willdenowiana (Koch) ; pods with yellowish spreading glandular 

 hairs.] Waste ground. A. or B. V. VIII. Black Medick. 



E. S. I. 



** Pods edged with spines, compactly spiral. 



5. M. arab'ica (Htids.) ; peduncles 1 ^-flowered, pods com- 

 pressed of 2 6 turns veined with 4 ridges and a central furrow 

 on the edge, spines in 2 rows divergent subulate curved, leaflets 

 triangular-obcordate, stip. toothed. E. B. 1616. M. maculata 

 (Sibth.) ed. viii. Lts. with a purple spot in the centre. Edge 

 of pods broad ; spines springing from the margin and the ridge 

 next to it on each side, compressed and furrowed on both sides, 

 variable in length. On a gravelly soil. A. V. VIII. E. S. I. 



