SALICACEAE 101 



7. Salix cordata Muhl. Heart- leaved Willow. (Man. p. 314; 

 I. F./, 119S.) In wet soil, N. B. to B. C, south to Va., Mo., Colo, and 

 QiiMi.— Pennsylvania : Northampton; Luzerne; Lancaster; Dau- 

 phin ; Cameron ; Erie ; Franklin ; Chester. 



7a. S. cordata angustata (Pursh) Anders. (Man. p. 314.) Lan- 

 caster ; Fayette. 



8. Salix adenophylla Hook. Furry WiLLOW. (Man. p. 315 ; I. F. 

 f. /20J.) On lake and river shores, Labrador to Ont., Penn. and Mich. 



—Pennsylvania : Erie, Presque Isle. 



9. Salix myrtilloides L. Bog Willow. (Man. p. 316 ; I. V./. 1204. ) 

 In bogs, N. B. and Quebec to B. C, south to N. J. and Iowa. Also in 

 northern Eu. — Pennsylvania : Lancaster. 



10. Salix interior Rowlee. Sand-bar Willow. River-bank Wil- 

 low. (Man. p. 316; I. ¥. /. 1/81.) Along streams and lakes, Quebec 

 to the N. W. Terr., Va., Ky. and Tex. — Pennsylvania: Monroe; 

 Northampton ; Lancaster ; Dauphin ; York ; Allegheny. 



11. Salix petiolaris J. E. Smith. Slender Willow. (Man. p. 

 316; I. F. /. 11S9.) In swamps, N. B. to the N. W. Terr., Tenn. and 

 Mich. — Pennsylvania : Bucks ; Lancaster ; Chester ; Delaware. 



12. Salix discolor Muhl. Glaucous or Pussy Willow. (.Man. p. 

 316; I. F. /. ij8j.) In swamps or on moist hillsides, N. S. to Man., 

 Del. and ^o.— Pennsylvania : Wayne ; Monroe ; Lancaster ; Erie ; 

 Allegheny ; Chester. 



13. Salix Bebbiana Sargent. Bebb's Willow. (Man. p. 317; I. F. 

 / 1184.) In dry soil and along streams, Anticosli to B. C, south to N. 

 J., Pa., Neb. and Utah, — Pennsylvania: Monroe; Northampton; 

 Clearfield. 



14. Salix humilis Marsh. Prairie Willow. (Man. p. 317; I. F./. 

 7/55.) In dry soil, N. S. to Ont., Ga., Tenn. and Mo. — Pennsylvania : 

 Northampton ; Lancaster ; Franklin ; Huntingdon ; Venango ; 

 Monroe ; Delaware. 



15. Salix tilstis Ait. Dwarf Gray or Sage Willow. (Man. p. 

 318; I. F. /. J1S6.) In dry soil, N, S, (?), Me. to Minn., south to Fla. 

 and Tenn. — Pennsylvafiia : Chester ; Lancaster ; Luzerne ; Hunt- 

 ingdon; Franklin; Monroe; Delaware. 



16. Salix Candida Fluegge. Hoary Willow. (Man. p. 318 ; I. 

 F. y. 1193.) In bogs. Lab. to the N. W.Terr., south to N. J., western 

 N. Y. and Iowa. — Pennsylvatiia : Luzerne; also reported from Pike. 



17. Salix sericea Marsh. Silky Willow. (Man. p. 318 ; I. F. /. 

 jrSS.) In swamps and along streams, Me. to Mich, and Va. — Pennsyl- 

 vania: Northampton; Lehigh; Philadelphia; Lancaster; Mc-n- 

 ROE; Franklin; Chester; Delaware; Allegheny. 



18. Salix viminaUs L. OsiER WiLLOW (Man. p. 318; I. F. /. 

 //p^. ) Cult, and occasionally escaped in the Eastern and Middle States. 

 Native of Eu. and Asia. — Pennsylvania : Delaware. 



