858 PATAGONIAN EXPEDITIONS I 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. 

 Pappus 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. * 



79. SENECIO STIPELLATUS O. Hoffmann. 



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

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

 FIG. 101. sessile, pectinately pinnatipartite, the segments and rachis equally 

 linear; lower leaf-segments with stipelliform lobules. 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. 

 Pappus white. (Fig. 101.) 



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



Senecio 80. S. SUBPANDURATUS O. Hoffmann. 



stipellatus. 



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

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

 O H V OD l n g"P ancm riform, semiamplexicaul ; all obtuse, repand-toothed 

 mann.) 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). 



81. 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. 



