488 COMPOSITE, (composite FAillLY.) 



* * * * Beads more than 5-Jlowered, 01 lo7ig. ATcenes ^-nerved on each 



side. 



7. li. §etieuspi§, Boiss. If .6 ; stem glabrous, terete, striate, 

 erect, stiff-pauickd above. Leaves tender, pale, slightly bristly at 

 lower surface, those of stem with a broad, ovate appendage, clasping, 

 all pinnatisect. Heads long-peduucled, 8-10-flowered ; Jloicerets Uue ; 

 akenes elliptical, margin thick, inner face concave, outer keeled — 

 Summer — Pine woods ; subalpine Amanus. 



***** Heads 5-jioicered, alout .01 long. Flowers yellow. 



§. L.. Tiniinea, L. ® .5 to 1.5 ; stems several or 1, erect, 

 racemose-spiked. Leaves pinnatipartite, the lower short-petioled, the 

 rest long-decurrent, the upptr linear, entire. Heads nearly or quite 

 sessile; akenes lanceolate-linear — August and September — Rocky 

 places ; middle and subalpine Lebanon, Amanus, and northward. 



9. lui. Orientalis, Boiss. 5 • ^ i stems white, zigzag ; branches 

 rigid, short, yrickly at tip. Lower leaves linear-lanceolate, pinnatifid, 

 upper minute, linear, entire or with 1-2 lobes at base, long decurrent. 

 Heads sessile ; akenes linear, obscurely beaked — August and Septem- 

 ber — IMiddle to alpine zone of mountains, and interior plains. 



10, Lr. triquetra, Labill. 5 -^ ^o 1 i stems terete, decumbent; 

 branches numerous, erect, triquetrous. Low^er leaves oblong to linear- 

 lanceolate, entire or sparingly toothed, upper linear, very short. Heads 

 sessile ; akenes short-tapering — August and Sej)tember — Coast to 

 middle mountain zone. 



106. CEPHAI.ORRHY1XCISUS, Boiss. Cephalorrhtnchus. 



Heads cylindrical, few-flowered. Involucre imbricated. Receptacle 

 naked. Akenes similar, terete, elliptical ; beak filiform, Lappus 

 hairy, on a disk at the tip of the beak, deciduous with it — Biennial 

 herbs, with tuberous roots, distinguished from Lactuca by not having 

 the akenes compressed. 



C. Canclolleana, Boiss. (2) .3 to .6 ; stems erect, hollow, 

 corymbose above. Lower leaves on dilated petioles, pinnatisect or 

 -parted, upper often entire, lanceolate — Subalpine Lebanon, Antileba- 

 non, Cassius, and northward. 



107. P1€R1I>IUM, Desf. Picridium. 



Heads many-flowered. Involucre imbricated. Receptacle naked. 

 Akenes of 2 forms, the outer 4-5-angled, 4-5-grooved, transversely and 

 deeply crenate-wrinkled, the inner gradually tapering from the base, 

 nearly conical, and smooth. Bristles of pappus united in a ring, those 

 of the inner row stouter and longer — Annual and perennial herbs, 

 with yellow flowers. 



1. P. Ting^itanuiti, L. G Huwicah. Murdr. Shedid. Nuqd. 

 Lillein. ^Udeid. Dvrdd\ .15 to. 3; stem thickened, sparingly branched. 

 Lower leaves linear-lanceolate, pinnatifid. Heads .025 long and broad ; 

 scales of involucre with iroad, white margins, the outer ovate, black- 

 mucronate ; ligules reddish at outer surface ; outer akenes truncate at 

 base and tip — March — 



