418 coMPOsiTJE. (composite family.) 



2. Pli. rupestre, L. 5 -4 to .6, appressed-canescent ; stems 

 numerous, ascending or erect. Leaves somewhat toothed, often wavy, 

 the lower oblong, tapering at base, the rest oblong-linear, sessile. 

 Peduncles from the upper axils, single or in pairs ; heads .012 long ; 

 scales of involucre glossy, glabrous, very unequal, the lower leathery, 

 ovate to linear, the upper linear, all obtuse — Spring — Rocky places ; 

 common along coast and. in lower and middle mountain regions. 



3. Pli. Kotscliyi, Schultz. ^ -1 to .25 ; stems appressed-canes- 

 cent, leafy. Leaves tender^ green^ glabrous^ oblong to lenticular^ the 

 lower tapering into a petiole, the upper sessile. Peduncles terminal, 

 single or in pairs ; heads .006 to .008 long ; scales of involucre tender^ 

 lanceolate to linear, green-vittate, scarious-margined, the inner subulate- 

 tipped — July to September — Fissures of rocks ; subalpine to alpine 

 Lebanon. 



4. Pli. Imifolium, Post. 5 .1 to .25 ; stems woody at base, 

 minutely papillose or glah^escent, leafy. Leaves glabrous, oblong to 

 linear-lanceolate, acutish, the lower tapering to a petiole, the upper 

 sessile, all sparingly denticulate or entire, with revolute margins. 

 Peduncles terminal, with 1-3 minute bracts, solitary or twin ; heads 

 .008 to .01 long ; scales of involucre glabrous, glossy, oblong -obtuse to 

 linear-acuminate, the outer very short, with a sagittate brown mark 

 near tip — April — Rocky places near Deir-'Atiyeh and Qaldun (Anti- 

 lebanon). 



12. GWAPHAI.IUM, L. Cudweed. 



Heads heterogamous, many-flowered, discoid. Involucre scarious, 

 imbricated. Receptacle flat, naked. Outer flowerets pistillate, fili- 

 form, usually in several rows ; central flow^erets tubular, perfect. 

 Anthers caudate. Akenes nearly terete or compressed. Pappus in 1 

 row, scabrous — Annual or perennial, appressed-woolly herbs. 



O. luteo-album, L. © Ra'ra\ Sabun ^ Afrit. .1 to .4 ; stem 

 erect, simple or branching, corymbose above. Lower leaves oblong- 

 spathulate, obtuse, upper lanceolate, acute, half-clasping. Heads 

 small, in cymose, leafless clusters ; involucre bell-shaped, glabrous, pale 

 straw-colored, scales oblong, obtuse ; akenes tubercled — Spring and 

 Summer — Sandy places ; common. 



13. HELICHRYSUM, DC. Helichrysdm. 



Heads many-flowered, discoid, usually homogamous. Involucre 

 scarious, imbricated. Receptacle flat, naked. Flowers all tubular, 

 perfect, or rarely the outer row pistillate, slender. Anthers caudate. 

 Akenes nearly terete. Pappus in 1 row, scabrous, frequently somewhat 

 plumose at tip — Woolly, perennial herbs, sometimes woody at base. 



Scaler of involucre erect, little or no longer than Jlowerets. 



1. H. Siculum, Spreng. If! Bezdz-el-' Adhrd. .2 to .4, many- 

 stemmed ; stems slender, simple, erect or decumbent, leafy. Leaves 

 linear, revolute-margined. Corymbs terminal ; heads few, .004 long ; 

 scales of involucre few, lemon-yellow, glossy, thin, obtuse, ovate, gla- 

 brous at base, the inner linear- spathulate, tomentellous at back — 

 April and May — Coast to middle zone of Lebanon. 



