Handbook of Trees of the Noettiebn States and Canada. 



99 



The Liuice-leaf Cottonwood is tlie le;ist 

 tiljLUnlunt iepi"e:SGiitati\ e of the genus wiUiin tlie 

 United Slates, it is a tree of medium stature, 

 rarely if e\er surpassing all or tiO ft. iu lieigiit 

 or '2 or 3 ft. in thickness of trunl<, witli rounded 

 or pyramidal top of stout spreading Ijranelies. 

 The bark of brairelies and upper trunk is of a 

 pale grayisli brown color Hssured into narrow 

 Hat ridges. Like the Xarrow-leaf Cottonwood, 

 with wliich tills tree was eontounded until 

 recently separated by Mr. Rydberg, the bark of 

 branches and upper trunk is very smooth and 

 of a pale ash-gray color, luit thai of the firancb- 

 lets differs in being of a light greenish In-own 

 color, rather than orange-brown, and its buds 

 are larger, more resin-coated and more curved. 

 It is contlned in its distribution, as far as now 

 known, to the Iiaid^s of streams along the 

 eastern dr)- foot-bills of tlie Uoi-ky iMounlains 

 from .\ssiniboia to New j\Te\'ico. it is ficcasiou- 

 ally planted as a shade-tree in cities and \'il- 

 lages of Coloradft and \A'yoming. 



The wood is light, soft, not strong :inil suit- 

 able for the uses to which the eommnn (Cotton- 

 wood is aptjilied. 



Leaves rhombic-lanceolate, 2-^) in. Ions, cnnepfc 

 or rarelj' rounded at base, acnmiDate, coarsely 

 crenate-serrate excepting at base and apex whidi 

 arc mostly entire, lustrous dark green above, dell 

 green beneath ; petioles slender, terete, 1-;; in. 

 long. Fhjirrrs rarbcr open loose aments ; staini- 

 nate lMi--'» m. Ions; disk of flower ohli(|ue sain-ei-- 

 shaped with nnmeroiis stamens; pistillate aments 

 becoming M-4 in. long, drooping : disk cnp-shancfl ; 

 stigma daciniatc-li]lic(l. I'l/iil in r:iibcr loo c 

 drooping aniciiis willi .ililong-o\(ii(i distioctly 

 pediceled and lismmIIv ::-\:il\cd cupsnics. 



