MACLOSKIE I POLYGALACE^. 549 



equal, white, green-carinate, the superior slightly larger, with 3-nerved 

 wings thrice as long. Superior petals linear, subsigmoid, obtuse, basally 

 adnate to the staminal tube ; crest of the carina multifid anteriorly, entire 

 posteriorly. Anthers pediceled. Ovary bilocular, glabrous ; style twice 

 as long, sigmoid ; stigma cochleate, crestless. Capsule seedless. 

 Patagon., among basalt cliffs between San Julian and Rio Deseado. 



6. POLYGALA OREOPHILA Speg. 



(Orthopolygala, pterocarpa, aspalatoidea.} Glabrous perennial, with a 

 deep woody rhizome, sending down many filiform, naked, subterranean 

 branches ; and others upward, resulately leafy. Leaves alternate, some- 

 what fleshy, broad-obovate or obtriangular, upwards obtusely rounded or 

 truncate-sinuate, downwards long-cuneate. Racemes acrogenous, or 

 pleurogenous, sessile, shorter than the leaves, few-flowered. Bracteoles 

 small, subpersistent, white. Flowers mediocre. Outer sepals nearly 

 equilong, the upper suborbicular, thrice shorter than the elliptic, 5-nerved, 

 obtuse wings ; superior petals cultriform at their base, slightly adhering 

 to the staminal tube. Crest subtriangular, few-cleft ; anthers pedicellate ; 

 ovary bilocular produced to a style longer than the glabrous crestless 

 stigma. Capsule subelliptical, inequilateral ; its margin narrowly winged, 

 shorter than the persisting wings. Seeds ovate-subcylindraceous, black, 

 puberulous, not caruncled, the membranes of the strophiole being obtuse 

 and half their length. 



Patagon., in mountains by Rio Alumine, Neuquen. 



7- P. PATAGONICA Phil. 



Branches virgate, simple, or only an apical branch. Leaves remote, 

 erect, linear-filiform. Racemes spike-like. The lower petal keeled. Ovary 

 oblong, not emarginate, nor ciliate, plant 16 cm. high. 



S. Patagon., by Rio Sta. Cruz ; Golfo de San Jorge. 



8. P. SALASIANA Gay. 



Glabrous. Stems very prostrate. Leaves obtusely cuneate, basally 

 attenuate, fleshy. Branches few-flowered. Keel of corolla crested. Cap- 

 sule elliptical, scarcely emarginate at top. 



(Chili, Andes) ; S. Patagon., Rio Chico ; Valley of the Rio Gallegos, on 

 dry rocky places. (Nordenskj. ; near Lago Lacar.) 



