MACLOSKIE I POLYGALACE/E. 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, blade, 

 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 /// 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.) 



