DIPSACK/E. (teasel FAMILY.) 403 



white to yellowish, pinkish, or bluish, radiating ; tube of involucel 

 bristly, somewhat shvu-ter than oblong pits ; crown 20-24-nerved, den- 

 ticulate ; awns 3-4 times as long as crown — May to September — 

 Lower to subalpine regions of mountains. 



1 1 Aimuals. 



5. S. Olivieri, Coult. © Appressed-hairy, canescent, branch- 

 ing from neck ; branches slender, loand-like. Leaves linear-oblong, 

 obtuse, undivided or upper with a lobule at base. Heads, small, 

 feic-Jlowered ; leaves of involucre ovate-oblong, half as long as flowers; 

 coYoWns purplish ; tube of involucel small, hemispherical, appressed- 

 hairy, shorter than triangular pits ; crown 20-24-nerved ; awns many 

 times as long as crown — Spring — Et-Tih, and north-eastward. 



.6. S. §icula, L. © Low, pubescent ; stem wand-like, divari- 

 cately branched. Lower leaves oblong or lyrate, upper pinnati- 

 partite into linear-lanceolate lobes, the terminal much longer. Heads 

 few-Jioioered ; leaves of involucre linear, at length spreading-recurved 

 or deflexed, longer than round -ovate, fruiting head ; corollas red, tubu- 

 lar ; tube of involucel urn-shaped, hairy, about as long as deep, ovate 

 pits ; crown 20-24-nerved; awns many times as long as crown — Spring 

 — Fields ; Coeiesyriato Aleppo, and northward, and eastward. 



7. S. proSifera, L. ©.3 to .6, appressed hir- Fra. 230. 

 sute ; stem stout, forked or whorled. Leaves oblong to 

 oblong-lanceolate and linear. Heads sessile or sJiort- 

 peduncled, .03 to .04 broad ; leaves of involucre lanceo- 

 late, shorter than cream-colored, radiatAng corollas ; 

 fruiting heads globular, .03 to .04 broad ; tube of 

 involucel obconical, hirsute, as long as obovate pits ; 

 crown rlisty-colored, 30-34-nerved ; awns sliorter than 

 crown — Spring — Fields ; common. 



§. S. PalcBStiiia, L. © .4 to .8, more or less 

 pubescent ; stems 2-3-chotomously branched above. 

 Leaves oblong to linear, entire, or more or less lyrate-pinnatipartite. 

 Leaves of involucre oblong-lanceolate, usually shorter than cream- 

 colored to bluish, radiating corollas ; tube of involucel pilose, shorter 

 than obtriangular pits ; crown rust-colored, 30-o5-nerved ; awns in- 

 cluded, or slightly exserted — Spring — Common in fields ; very variable. 



Var. genuina, Boiss. Lower leaves oblong, coarsely toothed ; 

 upper lyrate, or 3-5-parted into lanceolate lobes, the terminal laro-er.' 

 Leaves of involucre ' about as long as cream-colored, 3-4-fid corollas *; 

 awns included — Common throughout, especially southward. 



Var. latiloba, Boiss. Leaves lyrate, terminal lobe oblong-lan- 

 ceolate, lateral 1-2 pairs, minute. Heads .015 to .02 broad • involucre 

 shorter than pinkish-blue, radiating flowers ; awns exserted — Jerusalem ; 

 Lebanon ; Marash. 



Var. ealocepliala, Boiss. Lower leaves oblong to oblong-lan- 

 ceolate, dentate, or rarely pinnatifid ; upper lyrate-pinnatipartite. 

 Heads .03 to .04 broad ; involucre shorter than s/ioicy, blue or pinkish- 

 blue, i:-^-lobed corollas ; awns exserted — M^^^o to Aintab, and north- 

 ward. 



