TREMBLING ASPEN
Catkins and newly opened, flannel-like leaves
See [page 84]
THE PUSSY WILLOW
1—Mature staminate flower. 2—Immature staminate flowers. 3—Mature pistillate flowers
See [page 85]
THE AMERICAN HORNBEAM
A fruiting branch showing the thin beech-like leaves and the seeds on their leafy triangular bracts