MACLOSKIE: COMPOSIT/E. 



835 



Leaves linear, entire, the upper few small. 



Involucral tips subus- 

 polyphyllus. 



eightsii. 

 darwinii. 

 chilensis. 

 Leaves fleshy, linear; with axillary fas- 



fasciculatus. 



Leaves linear, to obovate, 

 littoralis. 



ej. Puberulous. 



tulate. 



dz. Branching profuse. Woolly shrubs. 



e. Leaves narrow, deeply 3 -cleft. 



2. Leaves cuneate, 3-lobed, etc. 



^3. Leaves linear, entire. 



</3. Branching dichotomous, tomentose. 



cicles. 

 ^4. Erect, glabrous, with large heads on leafy branches. 



entire. 



A2. Oligocephali. Heads usually 1-3, corymbed. 

 b. Discoid. 



c. Tomentose perennial, with 1-8 mid-sized heads. Leaves oblong, dark -tipped. 



micropifolius. 

 C2. Shrubs or undershrubs. 



d. Low, with glabrous, fleshy, pectinate leaves. Stem long. 

 d2. Low, branching, with small, sessile leaves and heads. 

 d$. Low, viscous. Leaves narrow-spatulate, wavy. 

 d^. Erect, woolly. Leaves spatulate, entire. 

 b2. Radiate. 



c. Glabrous herb. Leaves obovate, basi-cuneate. Heads 3. 

 C2. Glabrous shrub. Leaves subcylindrical. 

 -3. Woolly shrub. Leaves sublanceolate, revolute. 

 ^4. Hoary. Stem scape-like. Leaves oval, fleshy. 

 'd. Achenes hispid. 

 d2. Achenes white-pubescent. 

 A$. Subcorymbosi. Heads few, corymbed. 

 b. Discoid. 



c. Herb. Tomentose. Leaves oblong, dark-tipped. 

 C2. Undershrubs. 



d. Glandular, leafy upwards ; leaves subsphacelate, toothed. 

 d2. Subglabrous, erect. Bracteolate. 



e. Leaves very narrow, revolute. Heads long-stalked. 

 e2. Leaves broad-linear, entire. 

 d$. Webby to silvery. Leaves linear. 



e. Leaves mostly crenate. Achenes puberulous. 

 e2. Leaves fleshy, naked upwards. 

 d^. Webby. Leaves linear-oblong, entire. Heads broad, calyculate. 



( patagonicus) microcephalus. 

 d^. Leaves webby underneath, green above, linear, entire, fleshy. Branches woolly. 



Heads calyculate. lechleri. 



b2. Radiate. 



c. Herbs. 



d. Glabrous. 



e. Leaves subspatulate, cuneate-petiolate, few. cuneatus. 



(2. Leaves pinnatifid. Corymbs long-stalked. Achenes silky, delfini. 



hanthalii. 

 nordenskjoldii. 

 miser, 

 leucomallus. 



cuneatus. 



pachyphyllus. 



falklandicus. 



gillesii. 

 gillesianus. 



micropijolius. 

 dumosus. 



longipes. 

 arnotti. 



psammophilus. 

 xanthoxylon. 



