CICHORIACEAE 301 



S. Dak., Ga., La. and Kans. — Pennsylvania : Northampton ; Bucks ; 

 Delaware ; Chester ; Lancaster ; York ; Franklin ; Hunting- 

 don ; Bedford ; Westmoreland ; Venango ; Erie ; Allegheny. 



4. Lobelia puberula Michx. Downy Lobelia. (Man. p. 888 ; I. F. 

 /. JJ05. ) In moist sandy soil, southern N. J. to Fla., west to 111., Kans. 

 and Tex. — Pennsylvania : Chester ; Lancaster, New Texas. 



5. Lobelia spicata Lam. Pale Spiked Lobelia. (Man. p. 888; I. 

 F.y. SSO/.) In dry, mostly sandy soil, or in meadows, N. S. and Ont. to 

 the N. W. Terr., N. C, La. and Ark. — Pennsylvania : Monroe ; North- 

 ampton ; Bucks ; Delaware ; Chester ; Lancaster ; Luzerne ; 

 Franklin ; Huntingdon ; Centre ; Venango ; Allegheny. 



5a. L. spicata parviflora A. Gray. (Man. p. 889.) — Lancaster. 



6. Lobelia inflata L. Indian or Wild Tobacco. (Man. p. 889 ; I. F. 

 /• 35^9-) I^ fields and thickets, Lab. to the N. W. Terr., Ga., Neb., 

 Ark. and Kans.— Pennsylvania : MONROE ; Northampton ; Bucks ; 

 Delaware ; Chester; Lancaster; Columbia; Franklin; Hunting- 

 don ; Allegheny. 



7. Lobelia Kalmii L- Brook or Kalm's Lobelia. (Man. p. 889; 

 I. F. /. 3510.) On wet banks and in wet meadows, N. S. to N. J., west 

 to Ont., the N. W. Terr., Ohio and Mich. — Pennsylvania : Lancaster, 

 Dillerville Swamp ; EriE, Presque Islfe. 



8. Lobelia Nuttallii R. & S. Nuttall's Lobelia. (Man. p. 889; 

 I. F. /. 33! f.) Sandy soil, L. I to Pa., Fla. and Ga. — Pennsylvania: 

 Lucks, Bristol ; Delaware, Tinicum. 



Family 3. CICHORIACEAE Reichenb. Chicory Family. 



Pappus of scales or scales and bristles, or wanting. 

 Pappus of both scales and bristles, or wanting. 

 Corollas blue or white. i. Cichorium. 



Corollas yellow. 

 Pappus wanting. 2. Lapsana. 



Pappus of rounded scales, sometimes accompanied by an inner series of 

 bristles. 3. Adopogon. 



Pappus, at least a part of it, of plumose bristles. 

 Plume-branches of the pappus not interwebbed. 

 Plants scapose. 4 PiCRiS. 



Plants caulescent. 5- Leontodon. 



Plume-branches of the pappus interwebbed. 6. Tragopogon. 



Pappus of simple bristles. 

 Achenes spinulose or with short processes near the apex. 7. Taraxacum. 

 Achenes smooth or merely papillose. 

 Achenes flattened. 

 Achenes truncate at the top. 8 Sonchtjs. 



Achenes narrowed or beaked at the top. 9. Lactuca. 



.\chenes prismatic or terete. 



Pappus of soft white bristles : achenes narrowed or beaked at the top. 



10. Crepis. 

 Pappus of relatively rigid brown, brownish purple, red or pale bristles : 

 achenes columnar, except in a few Hieracia. 



