Handbook of Tkkes or the Noethekn States and Canada 



107 



The Swamp Poplar v.Ihto conditions are 

 favorable for best (IcNclopiiiciit, in Uie lower 

 Mississippi Valley, attains a height of 80 or 

 90 ft., with straight eoluninar trunk 2-3 ft. in 

 diameter vested in a grayish brown bark with 

 prominent scaly ridgas, and develops an open 

 irregular top with few large branches. In the 

 Atlantic states it rarely attains a greater 

 height than 40 or 50 ft. Here it is rare and 

 local and is confined to tlie borders of ponds 

 and swamps more or less jiernuuiently in- 

 undated. In the jMississippi basin it is mors 

 abundant, and it is found in comiiany with the 

 Honey and Water Locusts, jNIississippi Hack- 

 berry, Swamp White Oak, Red and Drummond 

 Maples, Sweet Gums, Tupelos, etc. 



The wood of the Swamp Poplar is of a 

 grayish brown color with light sap-wood. A 

 cubic foot when absolutely dry weighs 25.48 

 lbs. It is manufa.'tured into lumber, under 

 the name of Black Poplar, for interior finish- 

 ing, etc.i 



Learea 4-8 in. loni, liroart ovate with petioles 

 Ion? and terete, varyinj; from round to cordate at 

 base, crenate, obtust' or subacute at apex, covered 

 with whito woolly tomcntum at first but finally 

 glabrous with brown Inids acute or obtuse, resin- 

 ous. Floirrm (April-May) glabrous scarious flm- 

 bricated scales, staniinate aments stout, densely- 

 flowered, finally '2-'i in. Ions; and droopins : 

 stamens 12-120; pistillate aments small, raceme- 

 like, few-flowered witb short style : ovary ovoid, 

 and thick 2 or ."^-lob^d sti'xmas. Fruit (ripe in 

 May I witb ovoid-oblong oointod 2-:!-va1ved cap- 

 sules, sliortor than or t><|uallins tbe pedicels. 



1. A. W., IV. 07. 



