Experiments with living mesophytic foliage leaves show that the smaller veins are capable of carrying enormously increased overload. There seems to be no structural modification of the minor veins in meeting these increased demands.
Proceedings of the Iowa Academy of Science
©1934 Iowa Academy of Science, Inc.
Wylie, Robert B.
"On the Significance of the Minor Venation of Foliage Leaves,"
Proceedings of the Iowa Academy of Science, 41(1), 113-113.
Available at: https://scholarworks.uni.edu/pias/vol41/iss1/23