330 WEEDS AND USEFUL PLANTS. 
Stem 30 - 50 feet high, and 2-3 or 4 feet in diameter at base, widely branching above; © 
the oats pened gree nish, very numerous, slender, lon and perpendicularly pendent. : - 
Leaves 2 na: rrow-lanceolate, the larger ones with a long acumination, 
1-2lines long. Pistillate aments about an inch ae mostly ascending 
or Darna up, on a ar 0 branches ; scales lanceolate, smooth 
About houses : introdu ced. FI. April.’ Fr. 
Obs. This elegant and interesting species—a native of the Fast—is 
deservedly admired, and much cultivated, as a shade tree. ‘The pistillate 
; there we sat down; yea, we wept, when we remembered Zion. e 
- hanged our harps upon the Willows j in the midst thereof.” There are 
many others of this difficult gems, — native species, abundant in 
low grounds ; they are mostly low shrubs, and thougt great puzzles to 
the botanist, ‘ia of but little Setoseat to the farm 
2. POP’ULUS. Tournef. Poruar. 
[Latin, Populus, the people ; the tree of the people ; being used to shade public walks.] 
Aments with laciniate or fringed bracts. or subturbinate,—the 
limb oleae: es in front, entire, surrounding the stamens or 
pistil. Stamens 8-12, ore ;—the laments free. Stigmus 2, elon 
gated. ie Serbs o-vilved. rees with more or less angular, 
on utish, brane in ; hye with numerous scales covered with a res- 
Vathash: and u broad, more or less heart-shaped Jeaves on” 
Soak Wastcilly compres petioles. Flowers in long pendulous, aments 
appearing before the leaves,—bracts and calyx similar in both kinds. 
1 P. tremuloi‘des, 1x. Leaves cordate-orbicular, abruptly seuminate 
unequally den tte serrats: pubescent on the margin ; bract s deeply 3—. 
4lobed, divisions linear. 
Tremuna-tixe Poruius. American Aspev. : 
Stem 30-50 or 60 feet high, and 12-18 inches in diameter, with a smoothish cine oe e 
bark. Leaves about 2 inches in length; and rather wider than long 2-8 nf 
long, slender, smooth, subterete towards s the base, laterally compressed ST ae 
dilated near the leaf, which disposes the leaf to be agitated by the slightest motion 3 
air. Pistillate amenis 3-4 or 5 inches lon: “ p 
Low swampy grounds : Northern and Mildle States. FI. April. Fr. May. 
Obs. This is a rather pretty tree —and i bi page e planted about ; x 
and in for shade and ornament. It is for the ex- : 
