Note 128 — Chapter VIII · FINAL JOURNEYS AND WORK. 1880-1888.
Reading edition
“Characteristics of the North American Flora,” American Journal of Science, ser. 3, vol. xxviii, p. 323; also in Scientific Papers of A. Gray, selected by C. S. Sargent.
Reading edition
“Characteristics of the North American Flora,” American Journal of Science, ser. 3, vol. xxviii, p. 323; also in Scientific Papers of A. Gray, selected by C. S. Sargent.