184 PAPIIvIONACEAE 



Bucks ; Montgomery ; Berks ; Dei<awarb ; Chester ; Lancaster ; 

 York ; Columbia ; Huntingdon ; Allegheny. 



2. TrifoHum procumbens L. Low or Smaller Hop-CLOVER. (Man. 

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

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

 Bucks ; Berks ; Lancaster ; York ; Franklin. 



3. TrifoUum dubium Sibth. LEAST Hop-clover. (Man. p. 540 ; I. 

 F. /. 20/2.) 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. TrifoUum arvense L. Rabbit-Eoot or Stone Clover. (Man. 

 p. 540 ; I. F. /. 207^. ) In fields and waste places, northern and south- 

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

 DELAWARE ; Chester ; Lancaster ; Franklin ; Luzerne ; Hunt- 

 ingdon ; Allegheny. 



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

 y. 20/j.) In fields, waste places and ballast, southern N. Y., N. J. and 



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

 ware ; Chester ; Allegheny. 



6. TrifoUum pratense L.* RED or Meadow Clover. (Man. p. 

 540 ; l.V.f. 2075. ) In fields, northern and southern states. Nat. from 

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

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



7. TrifoUum reflexum L. Bueealo Clover. (Man. p. 541 ; I. F./. 

 zoyg.) In meadows, southern Out., western N. Y. and Pa. to Iowa and 

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

 kill ; Allegheny. 



8. TrifoUum stolonifenim Muhl. Running Buffalo CLOVER. (Man. 

 p. 541 ; I. F. /. 2080. ) Prairies and dry woods, Ohio to Neb., south to 

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



9. TrifoUum hybrldum 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. TrifoUum CaroUnianum Michx. Carolina Clover. (Man. p. 

 541 ; I. F. y; 2082.) In waste places and in fields and open places, Va. 

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

 delphia, ballast. 



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

 I. F. /. 208^. ) In fields and open places, eastern and central N. Am. 

 Also in the Northwest. Nat. from V^a.— Pennsylvania : Northampton ; 

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

 lin ; Huntingdon ; Erie ; Allegheny. 



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

 County. 



