Trees and Plants, Colombia

Botanical sketches showing views of trees and plants along the Rio Magdalena in Colombia. At center, a tree with a lush, spherical canopy is loosely sketched. At left, another lush tree is shown covered with vines and other parasitic plants. At right, at tree with a thinner canopy is shown with a tall trunk and several branches. Finally, two trees covered in growth are included at upper center. Graphite on gray laid paper