Note 40 — Chapter IV
Reading edition
MacDougal, D. T. Botanical Explorations in the South-west. Journ. New York Botanical Garden, Vol. V. p. 89. 1904.
Reading edition
MacDougal, D. T. Botanical Explorations in the South-west. Journ. New York Botanical Garden, Vol. V. p. 89. 1904.