890 PATAGONIAN EXPEDITIONS: BOTANY. 



9. LASIORRHIZA IBARI (Phil., sub Leuceria]. 



Perennial, with low stem, corymbosely branching, base and petioles 

 white-woolly. Basal leaves? Cauline leaves, linear in outline, bipinnat- 

 ifid, the lower semiamplexicaul. Heads very shortly pediceled. Invo- 

 lucral scales, gland-puberulous, purplish at margins. Corollas white. 



S. Patagon., at Rio Sta. Cruz; Chubut. 



10. L. LANATA (Alboff, sub Leuceria]. 



Low, 8-12 cm., woolly, very variable. Leaves varying as to woolli- 

 ness, deeply pinnatifid-incised, or pinnatifid, or lyrate, or spatulate. Scape 

 low, white, with a linear bract half-way up. Ligules exceeding the invo- 

 lucre, white to deep pink. 



Fuegia, heights above Ushuaia. 



Allied to L. purpurea, and L. candidissima, and L. ftiegina; all may 

 form a single species. 



ii. L. LANIGERA (O. Hoffmann, sub Leuceria]. 



Low, 7 cm., woolly, bearing few, short, leafy stems. Catiline leaves 

 pinnatipartite, segments 4 pairs, short-elliptical, entire (or the upper 

 incised), imbricate, the sheath longer than the lamina, many-striate, webby ; 

 lower leaves with smaller lamina. Peduncles solitary, as long as the 

 leaves. Heads mid-size, with yellow-red, linear-oblong rays. Involucre 

 hemispherical, its scales i-2-seriate, oblong, acute, the outer webby, 

 nerves 3, dark. Achenes granulate. Pappus snow-white. 



S. Patagon., Cerro-paliki, at 450 m. elevation (O. Nordenskjold). 



12. L. LEONTOPODIOIDES O. Ktze. 



Perennial, low, 15 cm., woolly, with crowded, leafy branches. Leaves 

 hidden in wool, with lamina 5 mm. long, ovate, 6-8-cleft; petiole 25 mm., 

 its base sheathing. Head solitary, terminal, subsessile, campanulate, 10 

 mm. high by 15 mm. broad. Involucral scales 2-seriate, lanceolate. 

 Flowers bilabiate, the outer ligulate. Achenes narrow-turbinate, verru- 

 cose. Receptacle naked. Pappus-setts many. 



S. Patagon., at Cerro Toro. 



13. L. PATAGONICA (Speg. sub Leuceria]. 



Stemless. Leaves all radical, rosulate, lance-linear, entire, subacute, 

 densely webby and white-woolly. Scape woolly, exceeding the leaves; 



