To Asa Gray   15 January 1873

Letter and/or further information available at http://jdh.aetopia.net/p/jdh?q=jhc154.

Please cite as “JHC154,” in Ɛpsilon: The Joseph Dalton Hooker Collection accessed on 29 March 2024, https://epsilon.ac.uk/view/hooker/letters/JHC154