504 PATAGONIAN EXPEDITIONS I BOTANY. 



Patagon., in dry rocky places between San Julian and Rio Deseado, and 

 by Golfo de San Jorge. 



2. ASTRAGALUS ARNOTTIANUS (Gill, sub Phaca]. 



Appressed-pubescent, hoary. Stems cespitose, prostrate, short, leafy. 

 Leaflets 6-10 pairs, oblong, retuse. Stipides membranaceous, pilose, 

 united to middle. Racemes peduncled, short, scarcely as long as the 

 leaf. Flowers purple, small ; bracts minute. Calyx white, pilose. Le- 

 gume .ovate, inflated, subreticulate. 



(Chili) ; N. Patagon., at confluence of RR. Limay and Neuquen. 



3. A. BERGII Hieron. 



Undershrub. Stems numerous, slender, appressed-hairy. Leaflets 7-10 

 pairs, linear-oblong, silky beneath, obtuse, i cm. by 2 mm. Stipzdes 5 

 mm., connate to middle. Peduncles twice as long as the leaves ; racemes 

 6-io-flowered. Calyx-teeth subulate, with black and white hairs mixed. 

 Petals white-violet, spotted at apex. (*4. distinens, fide Speg.) 



N. Patagon., by Rio Negro, by rocks near Rio Chubut. 



4. A. BREVICAULIS Dusen. (Phaca.] 



Low, hairy perennial. Stems numerous, slender, 15 cm. high. Stipules 

 amplexicaul, entire, obtuse. Leaflets from middle of rachis, 6 pairs, 7 

 mm. long, petiolulate, linear to oblong-elliptic, conduplicate, emarginate, 

 white-hairy beneath. Peduncles erect, about 5-flowered. Pedicels 

 hooked, black-hairy, long bracteolate. Calyx-teeth long-triangular, black- 

 hairy. Legume oval-inflated, with persistent style. ( = A. cruikschanksii 

 Griseb., 1877, non Phaca cruckshanksii Hook & Arn., 1833.) 



E. Fuegia (Dus6n). 



5- A. CHUBUTENSIS Speg. 



Low, cespitose, synochreate perennial, all silky villoiis-white. Branches 

 very short, crowded. Leaves mediocre, erect, imparipinnate ; stipules 

 large, villous, bifid, with acute lobes. Rachis leafy about from the middle ; 

 leaflets elliptical or lanceolate, plane, subcoriaceous. Racemes capituli- 

 form, the subtending leaf 2-3 times as long as the pedicels. Flowers 

 few, sessile ; calyx fuscous downwards, hoary-villous, 5-cleft upwards ; the 



