Hoyt & Roberts, comps. Hoyts New Cyclopedia of Practical Quotations. 1922.
Poplar (Populus Fastigiata)
Trees that, like the poplar, hit upward all their boughs, give no shade and no shelter, whatever their height. Trees the most lovingly shelter and shade us, when, like the willow, the higher soar their summits, the lowlier droop their boughs. Bulwer-LyttonWhat Will He Do With It? Bk. XI. Ch. X. Introductory lines.