Letter from the Duke of Argyll to John Hutton Balfour dated 3 February 1853 regarding the Palm House funding; " My dear Sir, Many thanks for ... so kindly again sending Pine seeds from India. I shall be very glad to speak to Sir W. Molesworth about the Palm House but like all governments we are short of cash"
Letter from the Duke of Argyll to John Hutton Balfour dated 22 June 1853; "My dear Sir, I have supported the request for a better Palm House, but I don't know whether we shall get it"