1. Text-Books and Independent Volumes.

1836. Elements of Botany. New York.

1838-1843. Flora of North America, Torrey and Gray. Vol. I. 1838-1840; vol. II. 1841-1843.

1842. Botanical Text-Book. New York. Subsequent editions were as follows: Second, 1845; third, 1850; fourth, 1853; fifth (Introduction to Structural and Systematic Botany), 1857; second issue, 1860; sixth, part 1 (Structural Botany or Organography on the basis of Morphology), 1879.

1848. Manual of the Botany of the Northern United States. Subsequent editions were as follows: Second, 1856; third, 1859; fourth, 1863; fifth, 1867; second issue, 1868, 4 pp. added.

1848-1849. Genera Floræ Americæ Boreali-Orientalis Illustrata, I. 1848; II. 1849. New York.

1854. United States Exploring Expedition, Botany. Part I. Philadelphia.

1857. First Lessons in Botany and Vegetable Physiology. New York. Revised August, 1868.

1858. How Plants grow, with a popular Flora. New York.

1868. Field, Forest, and Garden Botany. Second edition, 1870.