COMPOSITJE. (composite familt). 433 



outer scales of involucre acute, inner obtuse, broadly scarious ; akenes 

 tapering at base, more or less ribbed, with short cro\Yn or — Sum- 

 mer — 



Var, Linn a; an a, Boiss. et Godr. Heads radiate — Alpine Le- 

 banon and Antilebanon to Marash, and northward. 



Var. incana, Boiss. Heads discoid. Leaves 2-pinnatisect into 

 short, linear-spathulate, obtuse lobules — Alpine Lebanon. 



Var. Anatolica, Boiss. Heads discoid. Lobules of leaves short, 

 narrow, crowded, obtuse — Subalpine Amanus. 



Var. tenuiloba, Boiss. Appressed-grejash-hirsute. Heads dis- 

 coid. Lobules of leaves slender. 



8. A. fiSanclieana, Boiss. 71 .2 to. 3, silky-canescent, produc- 

 ing from the root-stocks very short, leafy twigs, and ascending, nearly 

 simple stems. Lower leaves petioled, ovate in outline, pinnatipartite 

 into few, linear-cuueate, 8-5-toothed or parted segments. Heads .02 

 broad, long-peduncled ; scales of involucre tmcny-margined, acute, the 

 outer triangular-lanceolate, the inner oblong ; rays as long as disk ; 

 akenes angular, tipped with a short crown — Summer — Alpine and 

 subalpine Lebanon. 



Var. discoidea, Post. Heads discoid — Alpine Lebanon. 



9. A. pauciloba, Boiss. If .2 to .4, appressed-silky-canes- 

 cent, producing from root-stock short, sterile twigs, and numerous, 

 erect stems leafy at base, sparingly branched. Root-leaves oblong- 

 cuneate, tapering into a long petiole, somewhat short-trimcate, d-lohed, 

 otJiers parted or divided into 2-5, short, ohlong-Unear, olAuse lobes; stem- 

 leaves small, sessile, the upper undivided. Heads .01 broad, discoid, 

 long-peduncled ; scales of involucre oblong to ovate, acutish ; akenes 

 whitish, surmounted by a short, somewhat ragged crown — Spring — 

 SubalpineLebanon, Antilebanon, Aintab, and north-eastward, 



10. A. niicro§pernia, Boiss. .25, sparingly hirsute ; stems 

 procumbent, very slender, branching. Leaves .01 long, .001 broad, 

 linear, with few lohes. Peduncles rather long, slender ; heads small ; 

 scales of involucre oblong-linear ; chaff oblong-lanceolate, keeled, 

 abruptly tapering ; rays as long as disk ; akenes .001 long, black, 7-8- 

 ribbed — Spring — Desert between Cairo and el 'Arish. 



11. A. PIiili§tea, Boiss. © .2 to .25, sparingly hairy, branch- 

 ing from neck ; stems ascending, simple or branched, ending in short, 

 at length thickened peduncles. Leaves .01 to .015 long, oblong in 

 outline, pinnatisect into linear, mucronate, undivided or 3-fid lobes, 

 lower leaves petioled, upper pectinate-dentate near base. Outer scales 

 of involucre acute, the rest obtuse, broadly scarious ; chaff oblono-- 

 cuneate, abruptly mucronate, somewhat ragged ; rays hardly longer 

 than disk ; akenes obpyramidal, ending in a thin crown, in the outer 

 ones 4-5-parted — March and April — Sandy plains near Gaza, and 

 southward in the desert. 



12. A. leucantliemifolia, Boiss. .2 to .3, sparingly hairy, 

 branching from neck or above ; stems ascending or prostrate. Leaves 

 oblong to cuneate-obovate, creuate or lobed, pectinate dentate near 

 base, the upper bract-like. Peduncles short, at length much thickened; 

 heads .025 broad ; outer scales of involucre linear-lanceolate, inner 



58 



