COMPOSITE. (COMPOSITE FAMILY.) 479 



tapering into a petiole, the upper sessile, linear. Fruiting x>eduncles 

 much injiated, contracted heneath heads ; heads medium ; akenes gradual- 

 ly tapering into a thick leah one-fourth their length — Spring — Hills ; 

 Antilebanon ; northern Syria. 



4. P. ISprengeriaiia, L. © .3 to .8 ; stem erect, divaricately 

 branched. Leaves entire or sinuate-toothed, the radical oblanceolate, 

 tapering to a petiole, the others clasping, appendage at base. Heads 

 .01 long ; peduncles not thickened ; akenes short-tapering, nofbeaked — 

 May to August — Weedy places ; coast to middle mountain regions 

 and interior plains. 



5. P. K.ot§cliyi, Boiss. Rough hairy ; stem erect, zigzag, 

 dichotomous-corymbose. Lower leaves oblanceolate, with few teeth, 

 upper linear, entire. Peduncles gradually thickened dbom ; heads medium ; 

 akenes tapering at both ends, tij^fped with a slender deak as long as they 



— May — Aleppo. 



6. P. cyaiiocarpa, Boiss. (7) Haudhdn. .1 to .2, densely 

 canescent ; ste7ns simjde^ or 'i-forked, '^-headed. Root-leaves oblanceo- 

 late, sinuate-toothed or coarsely pinnatilobed ; stem-leaves 1-2, linear, 

 or 0. Peduncles not thickened ; heads .015 long ; akenes oblong, Muish- 

 gray, rather abruj^tly beaked, beak longer than akene — March and April 



— Valleys of Sinai. 



T. P. §ulpliurca, Del. .3 to .4, rough ; stems once or 

 twice forked above. Lower leaves oblanceolate, sparingly sinuate- 

 toothed or pinnatifid ; stem-leaves few, linear-lanceolate, entire. Pe- 

 duncles not thickened ; heads .01 to .014 long ; akenes gradually taper- 

 ing into a beak one-fourth their length ; pappus persistent — February to 

 April — Sinai to Egypt. 



* * Pappus of marginal akenes confluent into a fringed cup. 



§. P. radicata, Forsk. © .15 to .25, rough-papillose. Root- 

 leaves rosetted, oblanceolate, sinuate-pinnatifid into rounded or ovate 

 lobes ; stem-leaves few, linear. Peduncles long, scarcely thickened; 

 heads ,015 long ; marginal akenes cylindrical, incurved, truncate, disk 

 akenes very small, oblong, rounded or narrowed at tip — March to 

 May — Samaria ; Gaza, and southward. 



9. P. Daiiia§^ena, Boiss. et Gaill. © .2 to .3, hairy ; stems 

 low, simple, or forked, 1-2-headed. Leaves small, oblong-linear to 

 linear, sparingly denticulate. Peduncles not thickened ; heads .01 

 long ; akenes glabrous, those of margin tapering, those of disk with a 

 beak half as long as they; inner bristles of pappus te7i — April and May 



— Antilebanon Tiear Damascus, and Damascus. 



10. P. Blancheana, Boiss. © Rough ; stems sparingly fork- 

 ed, few-headed. Stem-leaves lanceolate-linear, entire. Peduncles not 

 thickened ; heads small ; akenes slender, those of margin appressed- 

 hirsute, tapering, those of disk with a beak rather shorter than the akene; 

 inner bristles of pappus twelve to fifteen — May — El- Jebel-el-Abiad 

 (Palmyrene desert). 



93. HAOIOiSERIS, Boiss. Hagioseris. 



Heads many-flowered. Involucre in two ranks, the inner scales in 

 fruit hardened, convolute-boat-shaped, tapering, at length deciduous. 



