MACLOSKIE: LEGUMINOS/E. 507 



Patagon., on pampas by Coy Inlet (Peterson) ; Rio Sta. Cruz and 

 Gallegos. Magellan, by valley of Lago Blanco, and Rio Chubut. 



12. ASTRAGALUS PEHUENCHES Ndrln. 



Phaca. Herb, from thick root, 15 cm. high, glabrous, leafy. Leaflets 5-1 1 

 pairs, rusty, petiolulate, oblong-obovate, obtuse, glandular, the young 

 hairy. Stipules slender, free, acuminate, ciliate. Peduncles axillary, 3 

 cm. long, 4-5-flowered. Bracts small ; bractlets smaller. Calyx-teeth 

 acuminate, upper pair more remote. Petals white, twice as long ; stan- 

 dard obovate. Stamens diadelphous, I free and 9 united halfway. 

 Stigma capitate, style smooth. Legitme oblong, glabrous, stipitate. 

 Seeds 5. 



N. Patagon., by Rio Negro. 



13. A. PROCUMBENS Hook. & Arn. 



Stem slender, procumbent, 30 cm. long, white-woolly especially upwards. 

 Stipules large, oval, amplexicaul, scarious-yellow. Petioles long, weak, 

 setaceous, villous. Leaflets 10-14 pairs, elliptical, obtuse, entire, villous 

 below. Peduncles long, woolly, floriferous at apex. Bracts long, lance- 

 olate, scarious. Pedicels black. Calyx hairy ; its teeth long. Corolla 

 ruddy-yellow. Legume triquetrous, pubescent. Seeds several. 



N. Patagon., by Lago Nahuel-huapi. 



14. A. RENGIFOI Phil. 



Ashy, with sessile and appressed hairs. Stems various from the same 

 root. Leaves 8 cm. long, the petiole being one fourth of this. Leaflets 

 10 pairs, linear, sometimes emarginate. Stipules free, long-triangular, 

 with white hairs and a green midrib, a row of black hairs below them. 

 Inflorescence exceeding the leaves, flowers 10-15, short-pediceled. Bracts 

 very short. Calyx short tubular, with very short teeth, having black and 

 white hairs. Standard twice as long as the calyx, bluish. Wings exceed- 

 ing the keel. Legume nearly 2 cm. long, cylindrical, coriaceous, slightly 

 curved, appressed-pubescent. 



(Atacama.) 



A. RENGIFOI LEIOCARPUS Speg. 



(A young specimen.) Differing from the type by absence of the sub- 

 stipular ring of hairs, and by the ovaries being glabrous, and the (imma- 

 ture) ovary being narrower and longer. 



