326 COMPOSITAE 



39a. A. \rimineus Columbianus Britton. (Man. p. 964.) — North- 

 ampton ; Philadelphia. 



40. Aster multiflorus Ait. Dexse-flowered Aster. (Man. p. 

 964; I. F. /. jSo2.) In dry open places, Me. and Ont. to the X. W. 

 Terr, and B. C, south to Ga., Tex. and Ariz. — Pennsylvania : North- 

 ampton ; Bucks ; Lancaster, on the Susquehanna ; Huntingdon ; 

 Allegheny. 



41. Aster tenmfolius L. Perennial Salt-marsh Aster. (Man. 

 p. 965; I. F. /. 3S04.) In salt marshes, coast of Mass. to Fla. — Penn- 

 sylvania : Philadelphia. 



42. Aster subulatus Michx. Annual Salt-marsh Aster. (Man. 

 p. 965 ; I. F. f. 3S06. ) In salt marshes, coast of N. H. to Fla. — Penn- 

 sylvania : Philadelphia. 



14. ERIGERON L- 



Plants perennial. 



Ray-flowers less than 100. i. E. pulchellus. 



Ray-flowers over 100. 2. E. Phtladelphtcus. 



Plants annual or biennial. 

 Upper stem-leaves with sharply toothed blades : ray-flowers with pink 



ligules. 3. E. antiuiis. 



Upper stem-leaves with entire blades : ray-flowers with white ligules. 



4. E. raviosus. 



1. Erigeron pulchellus Michx. Robin's Plantain. (Man. p. 968; 

 I. F. /. 3819.) On hills and banks, X. S. to Ont., S. Dak., Fla. and La. 

 — Penfisylvania : Monroe ; Northampton ; Bucks ; Del-'Vware ; 

 Chester ; Lancaster ; Schuylkill ; Somerset ; Allegheny. 



2. Erigeron Phlladelphicus L. Philadelphi.a Fleabane. (Man. p. 

 968 ; I. F. /. 3820.) In fields and woods, throughout N. Am., except the 

 extreme north. — Petmsylvania : Monroe ; Northampton ; Bucks : 

 Crawford ; Delaware ; Chester ; Lancaster ; Erik ; Allegheny. 



3. Erigeron annuus (L. ) Pers. SwEET j^cabious. Daisy Flea- 

 bane. (Man. p. 969 ; L F./. 3823.) In fields, N. S. to the N. W. Terr., 

 south to Va., Ky., Kans. and Mo. Nat. in B,\x.— Pennsylvania : Mon- 

 roe ; Northampton ; Bucks ; Delaware ; Chester ; Lancaster ; 

 Erie; Allegheny. 



4. Erigeron ramosus (Walt.) B.S.P. Daisy FlEabane. (Man. 

 p. 969 ; I. F./. 3824.) In fields, N. S. to the N. W. Terr., south to Fla. , 

 La. and Tex. — Pennsylvania : Northampton ; Bucks ; Delaware ; 

 Chester ; Lancaster ; P'ranklin ; Erie ; Allegheny. 



15. LEPTILON Raf. 



1. Leptilon Canadense (L.) Britton. Horse-weED. (Man. p. 970; 

 I. F. f. 382/.) In fields and waste places, throughout N. Am. except the 

 extreme north. In the Old World and in S. Am. — Pennsylvania : North- 

 ampton ; Bucks ; Delaware ; Chester; Lancaster; Franklin; 

 Erie ; Allegheny. 



