DIPSACE^. (teasel FAMILY.) 403 



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

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

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

 Lower to subalpine regioDS of mountains. 



1 1 Annuals. 



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

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

 obtuse, undivided or upper with a lobule at base. Heads S7nall, 

 feiv-Jloicered ; leaves of involucre ovate-oblong, half as long as flowers; 

 COY oWrs 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. ISicula, L. Low, pubescent ; stem wand-like, divari- 

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

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

 few-Jtowered ; leaves of involucre liaear, 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 ; Coelesyria to Aleppo, and northward, and eastward. 



7. S. prolifera, L. 0.3 to .6, appressed hir- Fig. 230. 

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

 oblong-lanceolate and linear. Heads sessile or sJiort- 

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

 late, shorter than cream-colored, radiatitig corollas ; 

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

 involucel obconical, hirsute, as long as obovate pits ; 

 crown rusty-colored, 30-34-nerved ; awns shorter than 

 crown — Spring — Fields ; common. 



§. S. Palse§tina, 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, 30-35-nerved ; awns in- 

 cluded, or slightly cxserted — 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 larger. 

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

 awns included — Common throughout, especially southward. 



Var. latilol>a, 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. calocephala, Boiss. Lower leaves oblong to oblong-lan- 

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

 Heads .03 to .04 broad ; involucre shorter than showy, blue or pinkish- 

 blue, 4t-G-lol)ed corollas ; awns exserted — Aleppo to Aint§,b, and north- 

 ward. 



