184 PAPILIONACEAE 



Bucks ; Montgomery ; Berks ; Dei.aware ; Chester ; Lancaster ; 

 York ; Columbia ; Huntingdon ; Allegheny. 



2. Trifolium procumbens L. Low or Smaller Hop-clover. (Man. 

 p. 540 ; I. F. /. 2ojr. ) In fields and along roadsides in the northern 

 and southern states. Nat. from Eu. — Pennsylvania : Northampton ; 

 Bucks ; Berks ; Lancaster ; York ; Franklin. 



3. Trifolium dubium Sibth. Least Hop-clover. (Man. p. 540; I. 

 F. f. 2oy2.) In fields and waste places, N. Eng., N. J., and in the south- 

 states. Also in B. C. Nat. from Eu. — Pennsylvania : Bucks ; Dela- 

 ware. 



4. Trifolium arvense L. Rabbit-foot or Stone Clover. (Man. 

 p. 540 ; I. F. /. 2074. ) lo fields and waste places, northern and south- 

 ern states. Nat. from Eu. — Pennsylvatiia : Northampton ; Bucks ; 

 Delaware ; Chester ; Lancaster ; Franklin ; Luzerne ; Hunt- 

 ingdon ; Allegheny. 



5. Trifolium incamatum L- Crimson Clover. (Man. p. 540; I. F. 

 y. 207J.) In fields, waste places and ballast, southern N. Y., N. J. and 



Pa. Introd. from Eu. — Petmsylvama : Northampton ; Bucks ; Dela- 

 ware ; Chester ; Allegheny. 



6. Trifolium pratense L.* RED OR Meadow Clover. (Man. p. 

 540; I. F. f. 207J.) In fields, northern and southern states. Nat. from 

 Eu. Native also of Asia. — Pennsylvania : Northampton ; Bucks ; 

 Delaware ; Pike ; Monroe ; Huntingdon ; Franklin ; Allegheny. 



7. Trifolium reflexum L. Buffalo Clover. (Man. p. 541 ; I. F./. 

 2oyp.) In meadows, southern Ont., western N. Y. and Pa. to Iowa and 

 Neb., south to Fla., and Tex. — Pennsylvajiia : Montgomery, on Schuyl- 

 kill ; Allegheny. 



8. Trifolium stoloniferum Muhl. Running Buffalo Clover. (Man. 

 p. 541 ; I. F. /. 20S0.) Prairies and dry woods, Ohio to Neb., south to 

 Ky. and Mo., and sparingly eastward. — Pennsylvania : Chester. 



9. Trifolium hybridum L- Alsike or Alsatian Clover. (Man. p. 

 541 ; I. F. /. 2081. ) In fields and waste places, N. S. to Idaho, south to 

 N. J. and Ga. — Pennsylvania : Monroe ; Northampton ; Bucks ; 

 Delaware ; Chester ; Lancaster ; Susquehanna ; Franklin ; 

 Allegheny. 



10. Trifolium Carolinianum Michx. Carolina Clover. (Man. p. 

 541 ; I. F. f. 20S2.) In waste places and in fields and open places, Va. 

 to Fla., west to Tex. Introduced northward. — Pennsylvania : Phila- 

 delphia, ballast. 



11. Trifolium repens L. White or Dutch Clover. (Man. p. 541 ; 

 I. F. f. 2083. ) In fields and open places, eastern and central N. Am. 

 Also in the Northwest. Nat. from '^\x.— Pennsylvania : Northampton ; 

 Bucks ; Philadelphia ; Delaware ; Chester ; Lancaster ; Frank- 

 lin ; Huntingdon ; Erie ; Allegheny. 



* T. viarititmim Huds. has been found at Bethlehem, Northampton 

 County. 



