MACLOSKIE : COMPOSITE. 



859 



82. SENECIO TRIFURCATUS Less. 



Head solitary on simple, scape-like stem, bracted. 

 Leaves spatulate, trifurcate, the radical fasciculate. In- 

 volucral scales without sphacelate tips. Rays pale. 

 ("White-flowered," R. O.Cunningham.) (Fig. 102.) 



W. Magellan, at Puerto Angusto (Dusen). Fuegia, 

 in marshy places to Cape Horn. "Avoids the steppes." 

 Rio Gallegos (Barnum Brown). 



83. S. TUNICATUS O. Ktze. (non Klatt). 



Head broad, discoid, solitary on a simple, scape-like, 

 nearly leafless stem. Low, cespitose, 10 cm. high. 

 Leaves crowded at base, 5 cm. by 5 mm., linear, scari- 

 ose, fuscous-red, rather smooth, appressed to stem, per- 

 sistent, upwards linear-lanceolate, entire, herbaceous, 

 tomentose. Head 2 cm. broad, rose to purple, with 

 4050 flowers as long as the involucre and longer 

 than the white pappus. Involucral scales 40, i -seriate, 

 subequal, calyculate. Achenes smooth. 



Patagon. (Moreno). 



Glabrous shrub. 

 FIG. 1 02. 



Senecio trifurcatus. 

 Plant with r -headed 

 scape ; also magnified 

 fruit. 



84. S. VAGINyEFOLIUS Sch. Bip. 



Head solitary, discoid. Hoary, tomentose under- 

 shrub. Leaves crowded below, spatulate, entire, aris- 

 ing from a long, scariose sheath. Upper leaves few, remote, small, lance- 

 linear, passing into the involucral scales. Base of stem with old leaf- 

 sheaths. Achenes glabrous, shorter than the snowy pappus. 



Punta Arenas, on the sea-shore. 



> 



85. S. VERRUCULOSUS O. Ktze. 



Heads discoid, solitary on branches, nearly naked above. Low shrub, 

 scarcely 25 cm. high, the branches densely leafy at the base. Leaves 

 warty, glabrous, sessile, falcate, linear to subulate, broader next their apex, 

 1-2 cm. long. Flowers of head 3040, yellow, longer than the involucre, 

 as long as the white pappus, i cm. long. Involucral scales 25, i -seriate, 

 canaliculate, apically black-punctate, pilose. Calyculus of few bracteoles. 

 Achenes glabrous. 



