LANCE-LEAF COTTONWOOD. 



PiipiiJiis acumiiinlii Tiydb. 



Fis. iij. Fruilin- l.niiichlet aii.l inaturc leaves an,l iniit; hraiiclilcls in winter, the U|n<er on 

 beariiiK fonr Hon er-lmils. the lower one two leaf-huMs an,l one terminal flower-bud. 



113. Trunk' near (/ireole>\ Colo. 



hnr this trinik- |iielnrL' and s[>eoinuns the :iulhi.r 



'lebled to Trol". B. O. Loiigyear. 



