302 CICHORIACEAE 



Disk or corollas yellow, orange or red. ii. Hieracium. 



Disk or corollas pale, cream-colored or purple. 12. Nabalus. 



1. CICHORIUM L. 



1. Cichorium Intybus L. Chicory. (Man. p. 891 ; I. F. / SSiS-) 

 Roadsides and waste places, N. S. to Miun., N. C, Neb. and Kans. — 

 Pennsylvania : Northampton ; Bucks ; Dei,aware ; Chester ; Lan- 

 caster ; Luzerne; Franklin; Huntingdon; Centre; Venango; 

 Allegheny. 



la. C. Intybus divarioatum DC (Man. p. 891.) — Northampton. 



2. LAPSANA L. 

 1. Lapaana communis L. Nipplewort. (Man. p. 891; I. F. 

 /, JJ14.) Along roadsides and in waste places, Quebec and Ont. to 

 N. J. and Pa. Also on the Pacific Coast. Nat. from Eu. — Pennsylvania : 

 Northampton, Easton ; Lancaster. 



3. ADOPOGON Neck. 



Scapes branched above, the first node with a conspicuous bract. 



I A. Virginicutn. 

 Scapes simple, naked. u. A. Carolinianum. 



1. Adopogon Virginicum (L. ) Kuntze. Virginia Goat's-beard. 

 (Man. p. 892; I. V.f. 3516.) In moist woods and meadows, Mass. to 

 southern Ont. and Man., Ga., Ky., Mo. and Kans. — Pennsylvania: 

 Monroe ; Northampton ; Bucks ; Delaware ; Chester ; Berks ; 

 Schuylkill ; Lancaster ; Columbia ; Franklin ; Allegheny. 



2. Adopogon Carolinianum (Walt.) Britton. Carolina DW.4.RE 

 Dandelion. (Man. p. 892 ; I. F. _/ 3S^9-) 1° dry. sandy soil. Me. to 

 Ont., Minn., Fla. and Tex. — Pennsylvania: Monroe; Northampton; 

 Bucks ; Delaware ; Chester ; Schuylkill ; Philadelphia, 



4. PICRIS L. 

 1. Picris hieracioides L. Hawkweed Picris. (Man. p. 894 ; I. F./. 

 3524.) In waste places. 111., Pa., N. J. and in ballast about the sea- 

 ports. Adv. from Eu. Native also of Asia. — Pennsylvania : Monroe, 

 Stroudsberg ; Northampton, Seidersville. 



5. LBONTODON L. 



Pappus single : scape branched : head before anthesis erect. 



1. L. autumnale. 

 Pappus double ; scape simple : head before anthesis drooping. 



2. L, nudicaule. 



1. Leontodon autumnale L. Fall Dandelion. (Man. p. 893; I. 

 F- /■ 3S^2.) In fields and along roadsides, Newf. and Ont. to N. J., Pa. 

 and Ohio. Nat. from Eu. Native also of Asia. — Pennsylvania : Phila- 

 delphia, on and about ballast. 



2. Leontodon nudicaule (L. ) Porter. Rough HawkbiT. (Man. p. 

 893 ; I. F. /. 3323. ) In ballast and waste places about the eastern and 

 western seaports. Adv. from Eu. — Pennsylvania: Northampton, 

 Seidersville. 



