98 



186. ASTRAGALUS. 



B. M. yellowish. Stipules not attached to 



L. -stalk. 



i. Stipules separate. 



a. Root annual. Sp. 15-18. 



b. Root perennial. Sp. 19-23. 



ii. Stipules united opposite to L. Sp. 24. 



C Stipules attached to L.-staIl<:. 

 i. L.-stalli persistent, spinescent. Fl. sessile, 



axfflaiy. Sp. 25-29. 

 ii. L. -stalk not spinescent. Sp. 30-34. 



A. Flowers purplish or white. Stipules 

 free from L.-stalk. 

 i. Upper Stipules united opposite L. 



1. leontinus. Diffuse. Hairs adpressed, 

 fixed in the middle. Lts. 6-8 pan.-. Heads on 

 a 3-edged stalk, exceeding L. Leg. ovoid, 

 \allous, sessile in calyx. p. 7, 8. Stony 

 mountains, m. and e. Alps. 



2. purpureus. Hairy, diffuse. Lts. with 

 two terminal teeth. Head of Fr. globose, on 

 a stalk exceeding L. (Germen on a stipe one- 

 sixth of its own length, Koch.) Leg. erect, 

 hirsute, ovoideo-triquete. Cells 3 -seeded, p. 

 7, 8. Mountains. Alps of Provence, Nice, 

 and s. Tyi'ol. VaUe Staphora in Apennines of 

 Piedmont. 



8. ©nobrychis. Diffuse, pubescent. Lts. 

 7-12 pair, lanceolato-oblong. Heads of Fr. 

 cylindrico-oblong. StaUcs exceeding L. Stand- 

 ard linear, truncate, twice as long as wings. 

 Leg. 3-edged, ovate, acuminate, hirsute, sessile. 

 Cells 4-seeded. p. 6, 7. Bri/ mountain pas- 

 tures. Sw. Austria. Dau. Prov. 



4. hypoglottis. Hairy, diffuse. Lts. 

 8-10 pair, oblong. Heads many-flowered. 

 Stalk exceeding L. Calyx covei'ed with white 

 and black hairs. Leg. erect, deeply channeled, 

 compressed, hairy. (Germen on a stipe half 

 its own length, Koch.) p. 5-7. Dry pastures. 



5. bayonensis. Procumbent, diffuse, 

 hoary vsith adpressed hairs. Lts. 8-10 pair, 

 very small. Stalks 4-6-flowered, not exceeding 

 L. Cal. nearly sessile. Leg. on very short 

 stipe, downy; leng-th twice width, p. 6, 7- 

 Sandy shores, w. Fr. 



6. areuarius. Diffuse, hoary. Hau-s ad- 

 pressed. Lts. 3-4 pair, linear, obtuse. Rac. 

 4-8-flowered. Stalk somewhat shorter than L. 

 Leg. downy, on a stipe nearly as long as tube 

 of calyx ; length three times width, p. 6, 7- 

 Sandy fields and pine woods, e. G. 



ii. Upper Stipules separate. 

 a. Flowers distant. Leyuine linear. 



7. austriacus. Procumbent, diffuse. Lts. 

 7-10 pair, hairless, linear, truncato-emarginate. 

 Lower Stip. concrete. Rac. stalked, exceeding ■ 

 L. Wings of Cor. bifid. Leg. sessile, droop- 

 ing, p. 7, 8. Open dry. Dau. n. It. Austria. 



8. sulcatus. Erect, hairless. Stem fur- 

 rowed. Lts. 7-10 pair, lineail-lanceolate. 

 Lower Stiji. concrete. Rac. stalked, exceeding 

 L. "VVings of Cor. entii'e. Leg. on short stipe, 

 erect, p. 6, 7. Moist grassy, lower Austria. 



9. argenteus. Diffuse, grey with hairs 

 fixed in the middle. Lts. 5-7 pair, linear or 

 lanceolate ; of the lower L. ovate. All Stip. 

 distinct ; lower very small. Rac. stalked, ex- 

 ceeding L. Leg. straight, twice as long as 

 calyx, hoary. p. 5. Open stony. Islands 

 Cherso, Osero, and Veglia. — Koch. 



b. Flowers in a dense head. Root annual. 



10. pentaglottis. Procumbent, diffuse, 

 somewhat ^'illous. Stip. ovate. Lts. 4-6 pair, 

 obovate, refuse. Heads on stallis exceeding L. 

 Leg. semiovate, acute, tubercled. Cells 1-seeded. 

 a. 6, 7- Firy hills. Corbieres. Hyeres. Cors. 



11. Glaux. Procumbent, villous, some- 

 what hoary. Stip. ovato-lanceolate. Lts. 8-10 

 pail-, oblong, somewhat acute. Heads on stalks 

 exceeding L. Standard linear. Leg. erect, 

 ovate, mucronate, villous. Cells 1-seeded. a. 

 6. At Bombaz between Avignon and Cavaillou. 

 Bezieres. 



12. Stella. Procumbent, sometimes stem- 

 less. Stip. lanceolate. Lts. 8-10 pair, eUip- 

 tic-oblong. Heads on stallts not exceeding 

 L. Leg. at last stellate, somewhat terete, far- 

 rowed on back, mucronate, hirsute. Cells 5-10- 

 seeded. a. 5. Montpehier. Toulon. 



13. sesameus. Diffuse, villous. Stip. 

 lanceolate. Lts. 9-10 pair, eLiptic-oblong. 

 Heads axillary, sessile. Leg. erect, somewhat 

 terete, acuminate, furrowed on back, mucronate, 

 villous. Cells 7-8-seeded. a. 5, 6. F)ry. s. 

 Europe. 



c. Calyx bladder-like ! 



14. vesicarius. Procumbent, diffuse, 

 sUky. Hairs fixed in the middle. Lts. 5-7 

 pail-, elliptic. Heads on stalks exceeding L. 

 Cal. clothed with black adpressed and white 

 spreading hairs. Leg. very hirsute, as long as 

 calyx, p. 5, 6. F)ry calc. mountains, s. Fr. 

 Carniola. Trieste. 



