493 COMPOSITES, (composite family.) 



ginal flowerets ; marginal akenes abruptly beaked, deeply 5-furrowed 

 and -ribbed, ribs prominent, wing-like, transversely striate ; beak 

 shorter than seed ; central akenes indistinctly beaked, smoothisli — April 

 to July — Fields ; common to subalpine regions. 



Var. latifolium, Boiss. Leaves lanceolate, the uppermost ovate- 

 oblong — May — Lebanon ; Ccelesyria ; Antilebanon ; Damascus. 

 Less common than type. 



Yar. §tenophy9aiiRi, Boiss. .25 to .35. Leaves narrow, the 

 upper short — Nearly as common as type. 



Var. Iiitmile, Boiss. .lto.25. Leaves as in last. Heads .03 

 long — Subalpine regions ; interior plains. 



3. T. pterocarpwiis, DC. % .3, glabrous ; stem leafy. Leaves 

 elongated, linear, 5-7-nerved. Scales of involucre 6-7, elongated ; 

 marginal akenes oblong, b-winged, wings truncate at tip, beak acute- 

 angled, twice as long as seed ; inner akenes slender, wingless, angular- 

 striate, slightly muricate, tapering — Summer — Amanus. 



111. CJEROFOCSON, L. Geropogon. 



Heads many-flowered. Involucre simple, of 8 scales in one row. 

 Keceptacle honey-combed, hairy at margin. Akenes gradually tajier- 

 ing into a long beak, the marginal ones tipped with 5, scabrous pales, 

 the central with feathery, interlaced pappus — Annual herbs with aspect 

 of Tragopogon. 



Cr. g'labrum, L. .2 to .5, glabrous or sparingly hairy ; stem 

 erect, terete. Leaves linear, the lower dilated at base, the upper half- 

 clasping. Peduncles hollow, at length thickened ; scales of involucre 

 linear-lanceolate, longer than^mZ; or molet flowerets ; akenes striate, 

 scabrous. 



112. UROSPERMUM, Juss. Urospermum. 



Heads many-flowered. Involucre bell-shaped, the scales 8-10 in 

 one row, united below. Receptacle naked. Akenes similar, compressed, 

 covered with muricate scales, ending in a hollow beak jointed at 

 base and separated from the seed by a partition. Pappus similar, in one 

 row, feathery, not interlaced — Annual herbs. 



U. picroide§, L. .3 to .5, more or less setulose. Leaves oblong- 

 spathulate, entire, pinnatifid or lyrate, those of stem auricled-clasping, 

 the upper lanceolate to linear. Heads .02 long, at first conical, then 

 campanulate ; base of beak ovate, inflated, tip filiform — March to 

 July — Fields and roadsides ; common. 



113. SCORZONERA, L. Salsify. Oyster Plaint. 



Heads many-flowered. Involucre imbricated. Receptacle naked. 

 Akenes supported at base by a hollow stalk surrounding the hilum, 

 either very short and indistinct, or elongated and rather inflated. Pap- 

 pus feathery to tip, interlaced, or feathery at base and scabrous at tip 

 or scabrous from base to tip — Herbs, rarely woody at base. 



