8l2 PATAGONIAN EXPEDITIONS! BOTANY. 



mous heads, some sessile, others peduncled. Involucre-scales few-seriate, 

 imbricate, scarious, shorter outwards. Repectacle naked. Anthers basi- 

 sagittate, with slender tails. Styles in disk, with slender, truncate branches. 

 Pappus finely setose, briefly connate at base. Achenes ending in a long 

 rostrum. 



m 



Species 7, S. Amer. 



i. CHEVREULIA LYCOPODIOIDES DC. 



Leaves linear-oblong, obtuse, 4 mm. long. Heads terminal, solitary, 

 oblong. Invohtcral scales lanceolate, acuminate, hairy at the base. 

 Falklands, in dry grassy places ; Fuegia. 



2. C. STOLONIFERA CaSS. 



Stem branching, short, stoloniferous. Leaves subradical, linear-oblong 

 or obovate, obtuse, entire, mucronate, appressed-hairy. Scape longer 

 than the leaves. Invohtcral scales obtuse. 



(Chili, at Valdivia; also in Tristan d'Acunha I.) ; N. Patagon., by Rio 

 Negro. 



(Fig. in Eng. & Prantl, iv, 5, p. 184, G, H.) 



27. ANTENNARIA Gaertn. 



Woolly, perennial herbs, with alternate and basal leaves, and small dis- 

 coid, dicecious or polygamous heads, usually capitate or corymbose. In- 

 volucral scales scarious, imbricated, the outer shorter. Receptacle not 

 chaffy. Staminal flowers, with scanty pappus of clavate setae; fertile 

 flowers, with copious, capillary bristles. Achenes oblong. 



Species 15, mostly in mountains of Eurasia, Australia and extratrop. N. 

 and S. Amer. 



(Fig. in Eng. & Prantl, iv, 5, p. 184, C-E.) 



A. MAGELLANICA Sch. Bip. 



From subligneous root. Plant arachnoid, woolly. Leaves in radical 

 tufts and cauline ; ovate-spatulate, subacute, entire ; narrower upwards. 

 Glomerules with golden-woolly scales, the inner thin, rounded, glabrous, 

 shorter than the pappus. 



Magellan, specimen in Gray Herb., by R. O. Cunningham ; S. Pata- 

 gon., by Hatcher at Rio Coy, "variable, low, 30-60 cm. high" ; N. and E. 

 Fuegia, by Dusen, "a rather rare steppe plant." 



