390 XHW EXGLAXD TREES IX WIXTER. 



LARGE-TOOTHED ASPEN 



Popple, Poplar. 



Populus grandidentata ]\Iichx. 



HABIT — Generally a small tree ?0-4o ft. in height \vith trnnk diameter 

 of up to 1^2 ft., at times reaching- much g:reater dimensions: resembling: 

 the Small-toothed Aspen; spreading- by means of root suckers. 



BARK — Resembling- that of Small-toothed Aspen though generally 

 wiih more yellow or buff color to young trunks and limbs. The older 

 trunks seem to be rather less deeply furrowed. 



TAAK^S — Stout, round, reddish -bro"\vn or some"n"hat yellowish-broT\-n. 

 In earl >' wintt^r often more or less pale -downy in protected t.n.u-tions, 

 older twigs greenish-gray, otherwise resembling Sniall-toothed Aspen. 



I^KAF-SCARS — Resembling Small-toothed Aspen though the rather 

 larger yiipule-scars are often indistinct or absent. 



BVDS — Averaging larger than those of Small-toothed Aspen, ovate to 

 conical, pointed, generally divergent, dull, dusty-looking, due to fine, 

 close, pale wool, especially at margins of scales; flower buds larger 

 and thicker. BUD-SCALES— light chestnut brown with scarious mar- 

 grins; first scale of bud anterior. 



COMPARISOXS — The Large-toothed Aspen resembles the Small- 

 toothed Aspen with which it is frequently confused. For points of 

 distinction see under the latter species. The Lom hardy and Carolina 

 Poplars are distinguished by their yellow twigs and smooth buds: the 



Balsam Poplar by its shining fragrant resinous buds ; the Silver Poplar 

 by its generally more delicate, greenish twigs which are cottony- 

 woolly at least toward the apex. 



DISTRIBVTION — In rich or poor soils; woods, hillsides, borders of 

 streams. X'ova Scotia. Xew Brunswiuk, southern Quebec, and Ontario; 

 south to Pennsylvania and Delaware, along the muuntains to Kentucky. 

 North Carolina, and Tennessee; west to Minnesota. 



IX Xl-:w EXGLAXD — Common, occasional at altitudes of 2,000 feet or 

 nif.'re. 



IX CC-XXECTICL^T— Frequent. 



AVOOD — Light brown, with thin nearly white sapwood of 20-30 layers 

 of annual growth, weak and soft, used in manufacture of paper, 

 excelsiijr. and to a small extent for woodenware. 



