434 COMPOSITE, (composite family.) 



liDear-oblorig, all obtuse^ scarious ; chaff oblong-lanceolate, keeled, 

 acuminate, as long as involucre ; rays white, at length reddish, as long 

 as disk ; akenes ribless, the outer acutely 3-angled, the inner rather 

 terete, all truncate, tipped -with a short, 3-4-lobed crown — April to 

 June — Sandy places ; coast to middle region of coast range. 



13. A. deserti, Boiss. © Qurhaydn. .1 to .15, appressed- 

 woolly-canescent, branching from neck : stems erect or ascending. 

 Leaves oblong to linear in outline, pinnatipartite into linear or oblong, 

 obtuse, undivided or trifid, callous-tipped lobes. Peduncles elongated, 

 not thickened. Involucre umbilicate, scales lanceolate, acute, the 

 inner scarious at tip ; chaff oblong, narrow at base, acuminate, keeled ; 

 rays white or pink ; akenes grooved, with tubercled ribs, bald or 

 obsoletely margined — Sandy plains ; Arabia Petraea ; Qaldun (Auti- 

 lebanon). 



14. A. RasSieyaiia, Boiss. © .OSto.l, appressed-hairy, ash- 

 colored, erect, branching. Leaves oblong in outline, bipinnatisect into 

 oblong, acute lobules. Heads small ; scales of involucre ovate to ob- 

 long, with a broad, scarious margin ; chaff oblong-lanceolate, obtusely 

 toothed at tip ; rays shorter tlian disTc ; akenes slender, cylindrical, 

 grooved, bald or obsoletely margined — May — Dry hills between 

 Rasheya and Damascus. Specimens collected on Tel Shihan, May 11, 

 seem to belong to this species. 



15. A. hyalina, DC. © .3 to .4, appressed-hirsute or glabres- 

 cent, divaricately branched. Leaves ovate in outline, tripiunatipartite 

 into oblong, acute lobules. Peduncles long, at length thickened ; 

 heads .03 broad ; scales of involucre ovate to orMcular, with hroad, 

 scarious margin, luff-colored ; chaff lanceolate, gradually tapering into 

 a point ; rays as long as disTc w longer ; akenes slender-pyramidal, not 

 furrowed, the outer at least furnished tcith a shoj't, acute crown — April to 

 June — Fields ; lower and middle Lebanon, Antilebanon, and north- 

 eastward. 



16. A. melampodiiia, Del. © Qurlaydn. .15 to .25, ash- 

 colored, woolly, branching from neck. Leaves small, oblong in out- 

 line, 1-3-pinnatipartite into linear-oblong, mucronate lobules. Pe- 

 duncles sJioj^ not thickened ; heads .02 broad ; scales of involucre 

 hirsute, lanceolate to oblong, the outer acute, the inner scarious-tip- 

 ped ; rays white, obovate-oblong, longer than disk ; outer akenes some- 

 what quadrangular, all furnished with an oblong, obtuse auricle, as 

 long as they or longer — March to May — Deir 'Attyeh ; Sinai to 

 Egypt. 



17. A. Haus§kneclitii, Boiss. et Reut. .15 to .25, ap- 

 pressed-hairy, greyish-green, branching from neck ; branches ascend- 

 ing. Leaves ovate- oblong in outline, tripiunatipartite into short, 

 linear to filiform, divergent lobules. Peduncles elongated, at length 

 thickened ; heads .025 broad ; outer scales of involucre triangular- 

 lanceolate, acute, inner oblong, obtuse ; chaff oblong-lanceolate, keel- 

 ed, ragged-fringed at tip ; rays as long as disk ; akenes cylindrical, 

 more or less tubercled, white, the marginal short, ribbed, thick, bald, 

 those of disk with a truncate, ragged-toothed appendage as long as 

 they — Spring — Fields ; Aleppo to Aintab, Marash, and north-east- 

 ward. 



