1. Text-Books and Independent Volumes

B. A Partial List of the Writings of Asa Gray.

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.

1872. How Plants behave. New York.

1876. Darwiniana: Essays and Reviews pertaining to Darwinism. New York. Collected from the Atlantic, The Nation, Am. Jour. Sci., Am. Sci. Assoc., Nature, N. Y. Tribune.

1878-1886. Synoptical Flora of North America. Vol. II. part 1, 1878. Second edition, 1886. Cambridge. Vol. I. part 2, 1886. Washington.

1880. Natural Science and Religion, Two Lectures. New York.

1887. Elements of Botany. New York.

1889. Scientific Papers of Asa Gray, selected by Charles Sprague Sargent; in two volumes. I. Reviews of Works on Botany and related subjects, 1834-1887. II. Essays, Biographical Sketches, 1841-1886. Boston.