550 PATAGONIAN EXPEDITIONS : BOTANY. 



9. POLYGALA SPINESCENS Hook. 



Villous. Stem 10-60 cm. high. Branches relaxed with small acutish 

 leaves ; or rigid, spinescent, cespitose, with larger, spatulate, obtuse leaves. 

 Capsule often abortively i -celled and arcuate-falcate. 



N. Patagon. 



10. P. STENOPHYLLA A. Gray. 



Glabrous, rush-like, 30-60 cm. high, with paniculate, filiform branches. 

 Leaves alternate, filiform, the cauline deciduous. Raceme terminal ; its 

 bracts ovate-scarious. Wings ovate-acute, white, as long as the bluish 

 petals. Seeds oblong villous. 



N. Patagon., by Bahia Blanca by Rio Chubut 



ii. P. TEHUELCHUM (Speg. sub Acanthocladus]. 



Small, branching, woody perennial, glabrous, rigid, but n,ot spinose. 

 Leaves alternate, elliptic-obovate. Flowers few, small, terminal. Keel 

 densely crested-laciniate. Capside glabrous, not emarginate. 



S. Patagon., by Rio Chico ; at Rio Coy, by Hatcher. A specimen in 

 the Gray Herbarium is from the Galapagos Islands, and has a note in 

 Gray's handwriting " sed foliis latioribus " ; which note would also apply 

 to the Hatcher specimens. " Differs from P. Darwiniana by having 

 broader leaves and much smaller flowers, scarcely 5 mm. long." (Speg.) 

 By Rio Deseado. 



12. P. THESIOIDES Willd. 



Undershrub. Stems numerous, erect. Leaves crowded, oblong-linear, 

 Racemes 8 12-flowered. Capsule slightly 2-horned at the summit. 

 (Chilian Andes) ; Patagon. (?). 



13. P. VARIABILIS H. B. & K. 



Stem ascending, subfastigiately branching upwards. Leaves sparse, 

 remote, narrowly linear, glabrous, with pellucid dots. Spikes lax. Flowers 

 crested. Seeds conical, retrorsely pilose. 



(By Rio Orinoco) ; Patagon. 



2. BREDEMEYERA Willd. (including Hualania Phil., and Come- 



sperma Labill.) 



Perennial herbs, or undershrubs, sometimes climbing, with alternate, 

 exstipulate leaves, and flowers in simple or branching racemes. The 2 



