8 5 8 



PATAGONIAN EXPEDITIONS: BOTANY. 



woolly, fragrant. Radical leaves, long-petioled, oblong, basi-cordate, sub- 

 acute, dentate, with sheathing petioles. Cauline leaves cordate or lance- 

 olate, sessile, acuminate, crenate-dentate. Heads with yellow disk, 3-5 

 cm. across, with 15-16 white ligules, long-acute or apically dilated. 

 Pappits shorter than the achene. 



S. Patagon. and by Lago Argentine ; not in steppe-region ; W. Patagon., 

 by Rio Aysen (Dusen) ; Magellan ; Chiloe ; S. Fuegia to Cape Horn. 

 Handsome, nearly a meter high. 



Heads 

 FIG. 101. 



79. SENECIO STIPELLATUS O. Hoffmann. 



2-4 at ends of the branches. Undershntb, 25 cm. high, branch- 

 ing at base and also above ; leafy, striate, webby below. Leaves 

 sessile, pectinately pinnatipartite, the segments and rachis equally 

 linear; lower leaf-segments with stipelliform lobtdes. Heads 

 midsized, peduncled, with a few acute bracts. Involucre broad- 

 campanulate (8 10 mm.), its scales 20, apically sphacelate. Lig- 

 ules yellow, twice as long as the involucre. Achenes puberulous. 

 Pappzis white. (Fig. 101.) 



Patagon., at Rawson, near mouth of Rio Chubut (Dusen). 



Senecio 

 stipellatus. 

 Involu- 

 cral scale. 

 ( After 

 O. Hoff- 

 mann.) 



80. S. SUBPANDURATUS O. Hoffmann. 



Lax corymb of small, discoid heads. Glabrous shrub, 40 cm. 

 high, with virgate, leafy branches. Lower leaves spatulate, upper 

 oblong-panduriform, semiamplexicaul ; all obtuse, repand-toothed 

 or entire, graduating to subcordate bracts. Involucre broad, cal- 

 yculate ; its scales 20, narrow, acute, scarious-margined, as long 

 as the disk, with an oleiferous vitta. Flowers perfect, yellow. Achenes 

 puberulous. Pappus white, caducous. 

 E. Fuegia (Dusen). 



8 1. S. SUBULATUS D. Don. 



Subcorymbose. Branching, glabrous shrub. Leaves linear-subulate, 

 mucronate-awned, entire or pinnatifid. Involucre broadly cylindrical ; its 

 scales acute, costate, scarcely sphacelate, with calyculus of short, subulate 

 bracteoles. Ligules about 14, linear, scarcely exceeding the diameter of 

 the many-flowered disk. 



(Chili) ; Patagon. 



