To Asa Gray   12 June 1873

Letter and/or further information available at http://jdh.aetopia.net/p/jdh?q=jhc618.

Please cite as “JHC618,” in Ɛpsilon: The Joseph Dalton Hooker Collection accessed on 28 March 2024, https://epsilon.ac.uk/view/hooker/letters/JHC618