786 PATAGONIAN EXPEDITIONS: BOTANY. 



petioles. Heads acrogenous, solitary, subsessile. Involucral scales 

 numerous, 4-seriate, lanceolate, as long as the disk. Flowers 40-50, the 

 ligulate radiate, orange. 



Patagon., rocks near Choique-lauen, and near Lago Musters. 



3. HAPLOPAPPUS MOYANOI Speg. 



(Leiachcenium.} Glabrous perennial, with virgate, i -headed branchlets. 

 Leaves downwards remote and pinnatifid, the segments 5-6 pairs, 

 narrow, acute, entire; above laxly bracteolate. Heads rather large; 

 involucral scales ovate, rather small and acute, crowded. Ligulate 

 flowers numerous ; tubular disk-flowers very numerous. Achenes ob- 

 ovate, thick; pappus rigid and very caducous, sordidly pale. Under- 

 shrub, about 20 cm. high. 



Chubut, in rocky places near Lago Fontana. 



4. H. MUSTERSI Speg. 



Low, glabrous perennial, loosely cespitose, with long, leafy, i -headed 

 branches. Leaves long-spatulate to linear, their limb half to third as long 

 as the petiole ; the lower 3-5-dentate-lobed ; the upper entire. Heads 

 rather long ; the involucral scales 5-6-seriate, equalling the disk ; flowers 

 1 20, with golden rays. 



Patagon., rocks near Choique-lauen, and near Lago Musters. 



5- H. PATAGONICUS Phil. 



Glabrous undershrub, with branches densely leafy at base, ending in a 

 long, naked peduncle, i -headed, and with 12 setaceous bracts. Leaves 

 lanceolate, basally attenuate, dentate in the upper part, with 3-4 acute, 

 mucronate teeth. Margin ciliate, scaberulous. Involucral scales lax- 

 imbricate, linear-subulate. Pappus yellow. Achenes silky-hirsute. 



N. Patagon., by shores of Lago Nahuel-huapi ; S. Patagon. 



6. H. PRUNELLOIDES DC. 



Stem herbaceous, subsimple, procumbent, hirsute, leafy. Leaves thick, 

 glabrous, oblong-obovate, attenuate-petiolate, serrate to subpinnatifid. 

 Head solitary. Involucral scales glabrous, dry, oblong-ovate. Achenes 

 glabrous. 



(Chili) ; N. Patagon., by Lago Nahuel-huapi. 



