1863. Review of De Candolle’s “Species as to Variation, Geographical Distribution and Succession.” II. xxxv. 431; Darwiniana, pp. 178-204.
1864. On Scientific Nomenclature. II. xxxvii. 278-281.
1865. Darwin’s Movements and Habits of Climbing Plants. II. xl. 273; xli. 125.
1868. Remarks on the Laws of Botanical Nomenclature. II. xlvi. 74-77.
1872. Sequoia and its history; the relations of North American to Northeast Asian and to Tertiary Vegetation. III. iv. 282-298; (Darwiniana, pp. 205-235; also, Proc. American Association for the Advancement of Science, with Corrections and Appendix. XXI. 1-31).
1875. Do Varieties wear out or tend to wear out? III. ix. 109-114.
1875. Bentham on the Recent Progress and Present State of Systematic Botany. III. ix. 288-294; 346-355.
1875. Æstivation and its Terminology. III. x. 339-344.
1877. Notice of Darwin on the “Effects of Cross and Self Fertilization in the Vegetable Kingdom.” III. xiii. 125-141.
1877. Notes on the History of Helianthus tuberosus. III. xiii. 347-352; xiv. 428-429.