852 PATAGONIAN EXPEDITIONS: BOTANY. 



54. SENECIO LINARLCFOLIUS Poepp. 



Few-headed corymb. Glabrous, with terete branches. Leaves linear, 

 basally attenuate; the apex with a callous point, entire, 25 by 3 mm. 

 Pedicels of corymb long, bracteolate. Invohicre io-12-leaved, calyculate, 

 its scales black-tipped and floccose. Ligules about 12, linear; disk-flowers 

 20. Achenes glabrous. 



"Patagonian specimens have the involucral scales not black-tipped, but 

 white-pencillate, leaves much shorter, and stems i -headed and 3-5- 

 headed." (Speg.) 



(Mountains of S. Chili) ; Patagon., Chubut, swamp-meadows, by Lago 

 Fontana. 



55. S. LITTORALIS (Gaud.). (S. vaginatus H. & A.) 

 Large, radiate heads, solitary on leafy branches. Erect, terete, glabrous 

 stem. Leaves sessile, linear to obovate-lanceolate, mostly acute, entire, 

 coriaceous. Involucre calyculate, its scales about 20, linear-lanceolate, 

 as long as the disk. Ligules 10-12. The leaves may be straight or 

 falcate, acute or obtuse, 2-8 mm. broad; heads 35 mm. in diameter; 100 

 of the heads opening at once in a small plant render it handsome. 



Falklands, abundant in marshy places. (Its var. a of DC. Prodr. is 

 S. falklandiciis Hook, f.) 



56. S. LONGIPES Hook. f. 



Corymbs with 3-7 broad, discoid heads, on very long pedicels, with 

 subulate-filiform bracteoles. Glabrous or glandular, pubescent upwards, 

 with simple, erect branches. Leaves fasciculate, narrow-linear or filiform, 

 acute, basally attenuate, apically serrate, marginally revolute. Involucral 

 scales i -seriate, glandulous, shorter than the disk. 



Fuegia, atUshuaia; S. Patagon., by Hatcher. Magellan. 



(S. magellanicus H. & A., sub Culcitmm.) 



57. S. MAGELLANENSIS (Phil.) Macl. (S. magellanicus Phil, (non H. & A.). 



Heads solitary, discoid. Low perennial, with many stems, at length 

 glabrous ; stems simple, slender. Leaves linear, attenuate both ways, 

 entire or toothed ; when young snowy-tomentose ; upper leaves few, 

 setaceous. Involucral scales about 12, green, glabrous. Achenes 

 glabrous. 



E. Fuegia. 



