Introduction

Daily Weather and Tree Growth at the Tropical Treeline of North America. Franco Biondi, Peter C. Hartsough, and Ignacio Galindo Estrada  37(1): 16–24.

The caption for Figure 2 on page 18 is incomplete. It should read as follows: “Automated weather station installed at the tropical timberline of Nevado de Colima, Mexico. This photograph was taken by F. Biondi on 2 April 2002.”