430 coMPOSiTJg;. (coz^iposite family.) 



Var. I>reTlracliata, Boiss. Rays mucli shorter than involucre 

 — Lebanon, Antilebanon and Damascus to Palmyra. 



9. A, coiiferta, DC. 71 .3 to .4 ; stems grooved, simple or 

 branched. Leaves appressed-puberulent, linear ; segments minute. 

 Corymb dense, compound ; peduncles shorter than .005 long heads, 

 thick ; rays lemon-yelloio, about one-third as long as involucre — May 

 and June — Dry places ; Zalileh ; Haur^n. 



10. A. Aleppica, DC. 2^ .3 to .5, puberulent, virescent ; 

 stems striate, often branching. Leaves linear-terete, elongated, some- 

 what zigzag ; segments minute. Corymb very croicded ; peduncles 

 shorter than angular, .004 long heads ; vajs golden-yelloic, few^one- 

 fou7'th a,s long as involucre — Spring — Abandoned fields; El-'Arabah 

 to Lebanon, Coelesyria, Antilebanon, Aleppo, and north-east vfard. 



11. A. frag'ra]iti§g3iiia, Forsk. 5 Q'^^isim. BaMnij. Bu'aiterdn. 

 .6 to 1 ; stems numerous, white-woolly, wand-like, rigid, paniculate- 

 corymbose. Leaves small, sessile, thickish, oMong -linear to ovate, serrate. 

 Heads ovate-oblong, .003 to .004 long, as long as pedicels, in clusters 

 of 3-4 on each branch — July to October — Dry places ; Sinai to Coele- 

 syria, Antilebanon, Damascus, Palmyra, and north-eastward. A shrub 

 with delightful fragrance. 



12. A. mesnbranacea, Labill. 5 -2 to .4, appressed- 

 canescent, many-stemmed ; stems erect, angular, simple or with few 

 branches. Leaves imear in outline, pinnatisect into small, oblong, 

 transverse, imbricated, toothed-lobed segments. Heads 1-3, .015 

 lyroad, long-peduncled ; rays nearly as long as involucre — May — Rocky 

 hillsides ; Moab to Damascus, Palmyra, Aleppo, and eastward. 



32. DIOTIS, Desf. Diotis. 



Heads many-flowered, discoid. Flowerets all perfect, the 5-toothed 

 tube flattened-triquetrous, 2-auricled at base, at length thickened, 

 fungous, embracing the tip of the akene. Akenes oblong, 3-4- 

 angled, tapering at base, auricles adnate to the corolla-tube. Involucre 

 imbricated. Receptacle convex, chaffy — White-pannous, perennial 

 herbs. 



I>. luaritima, L. 5 MasMshat-er-Mih. .25 to .4 ; stems 

 numerous from a woody root-stock, erect, and ascending, thick, zigzag, 

 densely leafy, simple or sparingly branched. Leaves somewhat clasp- 

 ing at base, ovate to oblong, .005 to .015 long, obtuse, entire or 

 crenulate. Heads globular, .007 in diameter, short-peduncled, crowd- 

 ed-corymbose ; scales of involucre concave, ovate-oblong, obtuse — 

 May to November — Sands along coast. 



33. AMTHEMIS, L. Chamomile. Iqhawdn. 



Heads many-flowered, radiate, rarely discoid. Marginal flowerets 

 strap-shaped, in 1 row, pistillate, rarely neutral, the rest perfect, 5- 

 toothed, the tube often compressed or at length thickened at base. 

 Involucre imbricated. Receptacle chaffy. Akenes either turbinate- 

 obconical, the outer sometimes pyramidal, or4-angled, 3-auricled, more 

 or less clearly furrowed or striate-ribbed, tip sometimes bald, some- 

 times with a crown, somtimes ending in a lateral auricle — Annual or 

 perennial herbs, with white, or rarely yellow rays. 



