548 PATAGONIAN EXPEDITIONS: BOTANY. 



cous bracts. Flowers mediocre, outer sepals whitish, wings rhomboid-ellip- 

 tical, 5-nerved, thrice as long as the upper sepal. Superior petals, linear, 

 adnate to the staminal tube, with a multifid, cuneate crest. Anthers pedi- 

 celed. Ovary bilocular, glabrous, style twice as long, z-form ; stigma 

 cochleate, crestless. Capsule broad-elliptical, with persistent wings, 2- 

 seeded. Seeds black, glabrous, except on the ventral suture, with no 

 caruncle, but a ring-like umbonule. 



Patagon., in rocky plain between San Julian and Rio Deseado. 



3. POLYGALA GNIDIOIDES Willd. " Quelen-quclen." 



Root thick, tortuose. Stems woody at base, erect, branching, subvillous 

 upwards. Leaves numerous, sessile, linear, subobtuse, crispy. Racemes 

 terminal, many-flowered, showy. The 3 smaller sepals lanceolate, the 

 2 larger obovate, obtuse, y-nerved. Capsule apically attenuate, basally 

 rounded. Height 10-20 cm. 



(Chili) ; Chubut, at Teka-choique, and Bolson. Allied to P. moyanoi, 

 but more leafy, flowers brighter and larger. 



4. P. MOYANOI Speg. (Acanthocladus moyanoi Speg., Polygala 



mayausi Speg.) 



Fruticose, unarmed, intricately- and long-branched, puberulent in youth, 

 at length glabrate. Leaves elliptical, obtuse, thickish, sessile or subsessile, 

 small. Flowers few, subspicate on the ends of the branchlets. Upper 

 petals free, scarcely subadnate at the base, with fimbriate carina. Capsule 

 small, orbicular, glabrous, not or scarcely emarginate. 



Patagon., in dry meadows by Rio Chubut ; near Cabo Raso. 



5. P. CEDIPUS Speg. 



(Orthopolygala, pterocarpa, aspalatoidea.] Perennial, with vertical 

 straight root, and vermicular-flexuose apex, subterraneously branching 

 with dense fascicles ; the branches terete, the underground part with white, 

 spongiose cortex, and leafless ; the exposed part densely leafy, glabrescent 

 to subpuberulous. Leaves alternate, oblanceolate or obovate, anteriorly 

 round-cuneate to acute, posteriorly long-attenuate, hoary, with straight 

 hairs on the upper surface, glabrous below. Flowers few, subcapitulate 

 on ends of the branches, short-pediceled, mediocre. External sepals about 



