624 PATAGONIAN EXPEDITIONS I BOTANY. 



Species 18, Calif, to Chili, etc. 



(Fig. of fruit in Eng. & Prantl, iii, 8, p. 125.) 



I. BOWLESIA INCANA R. & P. 



Procumbent annual, stellate-hairy. Leaves reniform-orbicular, obtusely 

 3-5-cleft ; their lobes entire or 3-toothed. Umbels on very short axillary 

 peduncles. 



(Peruvian mountains, Argentina.) Patagon. 



B. INCANA TENERA (Spreng.) Urban. 



Prostrate, with reniform, ciliate leaves, 5~7-lobed. Umbels 3-flowered. 

 (S. Brazil) ; Patagon., near mouth of Rio Chubut (Dusen) ; by Golfo de 

 San Jorge ; Rio Sta. Cruz ; by Rio Negro. 



2. B. TROPEOLIFOLIA Gill. & Hook. 



Stellately hairy. Stem procumbent, slender. Leaves palmately 

 5-y-parted, the segments lanceolate, obtuse, entire, with acute sinuses. 

 Peduncles long, 3-flowered. Fruit small. 



(Argentina.) 



B. TROPEOLIFOLIA HETEROPHYLLA SpCg. 



Procumbent or climbing annual with long green branches, very long 

 internodes and petioles ; the leaf-blades ovate, entire or 3-lobed or palma- 

 tifid, sparingly stellate-hairy and with small stipules. Flowers small, 

 white-green, sessile on long peduncles, 3-5 capitulate. Fruit dorsally 

 compressed, green. 



S. Patagon., in meadows at Karr-aike, near Lago Argentine. 



B. TROPEOLIFOLIA PATAGONICA Speg. 



Low, slender, erect or diffuse, more or less stellately hoary ; the last 

 leaves of the branches very lanceolate, short-petioled, usually entire. 

 Chubut, along Carren-leofu. 



3. AZORELLA Lam. (Bolax Comm.) 



Perennial herbs or undershrubs, sometimes densely pulvinate (so form- 

 ing a cushion), much branching, rarely stoloniferous, and covered by im- 

 bricating leaves, sometimes covered by the long leaf-sheaths, often cespi- 

 tose with radical leaves. 



