The seeds and seedlings used in the studies presented in this paper, were collected in southern states and Cuba by L. H. Pammel, during the winter of 1929-1930. Several of the seedlings were observed in native situations and described in the field. Seeds collected, were planted in the greenhouse at Ames. The germination of those which grew is described in the following paper.
Proceedings of the Iowa Academy of Science
©1930 Iowa Academy of Science, Inc.
Pammel, L. H. and King, C. M.
"Germination and Seedling Forms of Some Woody Plants,"
Proceedings of the Iowa Academy of Science, 37(1), 131-141.
Available at: https://scholarworks.uni.edu/pias/vol37/iss1/27