440 SYNGENESIA [Cicuouacejb 



III. Cichohtum Tribe. Heads radiatiform, homogamous, ivith the 

 florets all nearly equal, never dioicous. Corolla ligulate, b-toothed. 

 Plants lactescent. ClCHOBACBB* Leasing. 



Sub-Tribe 3. Hyoseride.e. Pappus crown-likc, or of numerous broadish chaiTy 

 scales. Receptacle without bracts. 



359. CICHORIUM. L. Mitt. Gen. 625. 

 [Etymology obscure ; probably derived from the Arabic, Chicourych.'] 



Involucre with the leaflets in a double scries. Akenes turbinate, not 

 beaked. Pappus of chaffy scales, short, nearly equal, in a double 1 

 series. Receptacle sub-paleaceous. 



l f C. Ixttbus, £. Radical leaves runcinate ; heads of llovvcrs axil- 

 lary, subsessile, mostly in pairs. Beck, Bot. p. 171. 



Vulffd — "Wild Succory. 



Gall. La Cliicoree sauvage. Germ. Der Wegcwart. Ifisp. Achicoria. 

 Root perennial, somewhat fusiform, often branching. Stern 2 to 4 feet hi^h, an- 

 gular-striate, roughish-pubescent, with numerous and somewhat virgate scabrous 

 branches. Radical leaves 4 to 8 or 10 inches long, numerous, runcinate like those 

 of the Dandelion; stem-leaves smaller, inconspicuous on the branches, cordate. 

 lanceolate, sub-amplcxicaul, sinuate-dentate, roughish-pubescent. Head* axillary, 

 on the side of the stem and branches, sessile, or subsessile, in pairs, or often soli* 

 tary ; leaflets of the involucre in two series,— the outer or lower ones 5 in number, 

 lance-ovate, acute, glandular-ciliate, rather spreading,— the inner ones about 6, 

 lanc*>linear, nearly equal, somewhat ciiiate and viscid, forming a slightly angular 

 cylinder, or prism. Florets flat, linear, 5-toothed, all radiating towards the circum- 

 ference, pale blue, or sometimes purplish, and often white. Pajjpus of small chaffy 

 scales, oblong, obtuse, oremarginate, apparently in a single series (double, Lew). 



Hab. Fields, and meadows, near Kimberton : rare. Ft. Aug. Fr. Sept-— Octo. 



Obs. This foreigner is becoming extensively naturalized in our country, and 

 has made its appearance in the N. Easterly portion of Chester County. The 

 roasted or parched root is said to be used as a substitute for coffee, in Europe. 

 The C. Endivia, or Endive,— especially the var. crispa.—\s much cultivated as a 

 Salad, near the City of Philadelphia; but is rarely cultivated in this County 

 There are no native species in the U. States. 



360. KRIGIA. Schreb. JYutt. Gen. 633. 

 [Named in honor of David Krieg ; a German Botanist.] 



Involucre many-leaved, sub-simple. Akenes turbinate, not beaked. 

 Pappus in a double series ; the outer series crown-like, of 5 short chaffy 

 scales, the inner series of 5 long scabrous bristles. Receptacle naked. 



1. K. yirginica, Willd. Leaves mostly lyrate, smooth, glaucous; 



heads solitary, on scapes finally longer than the leaves; involucres 



glabrous. Hook. Am. I. p. 301. 



Also, K. dichotoma. Jfutt. Gen. 2. p. 127. 



Hyoseris virginica. Mx. Am. 2. p. 88. Pers. Syn. 2. p. 369. 



Cynthia virginica. Beck y Bot. p. 169. Not of Don (Jide Leasing. ). 



Virginian Krigia. Fu/yo— Dwarf Dandelion. 



Plant glaucous, small. Root annual. Leaves all radical,— -the primary ones 

 orbicular, or spatulate, entire, the others sub-lyrate, often lanceolate and sinuate- 



