Correspondence to and from botanists, plant experts and plant enthusiasts whose name or organisation's name begins with R. Includes letters to and from Sir Peter Ramsbotham of Ovington, Hampshire, relating to the creation of a new garden at his house for which Roy Lancaster was consultant, Aug 1981-Oct 1985, with Richard Smith of Chipping Campden Town Council, relating to an invitation to open the Ernest Wilson Memorial Garden, 1983, Martin Rickard, fern specialist of Shropshire, 1992-2009, Eva Rieker-Hummel of Bilberry House, County Cork, Ireland, 1976-1980, Martyn Rix, botanist and writer, 1982-2014, Norman Robson, formerly at the Natural History Museum and authority on Hypericum, 1976-2016, Lanning Roper, garden consultant, 1975-1976, Peter Q. Rose, ivy specialist, 1973-1997, Diana Ross, garden writer, 2004-2008, Major Rankin at Rudding Park, Yorkshire, 1974, Douglas Rowe of Lancashire, former colleague in Bolton Parks Department, 1960, Keith Rushforth, arboriculturist, 1972-2015, Tony Russell at Westonbirt Arboretum, 1993-2015, and James Russell, plant collector and garden designer, formerly at Castle Howard, Yorkshire, 1980-1996
Includes sales invoices and lists of plants purchased for Sir Peter Ramsbotham by Roy Lancaster, a list of plant categories and labelling recommendations in terms of toxicity sent by Peter Q. Rose, undated, list of plants identified for labelling at Rudding Park by Roy Lancaster, 1974, two photographs of Pinus bungeana sent by Tony Russell, undated, copy of article relating to Ray Wood, part of the Castle Howard estate, Yorkshire, designed by James Russell, annotated 'RS 18-08-09', and introduction to, and list of, the Rhododendron collection at Castle Howard, 1984
These papers were originally housed in a single folder which was repackaged into two folders