Correspondence and papers relating to varieties of woody plants. Includes monographs, plant lists, articles, and information leaflets relating to plant species and cultivars including Davidia, Rusca, Crategus from Greece, rhododendrons at Portmeirion, North Wales, correct names for the Chilean pelu tree, plant pigmentation, Grevillea victoriae, Sarcococca varieties, taxonomy of Magnolia, and Betula uber
Includes correspondence with William Macnamara, Quarry Hill Botanical Garden, California, United States of America, 2008, Paul Pearn, Isle of Man, 1997, Wolfgang Erberts of Baden Baden, Germany, 2008, Martin Hamilton, Royal Botanic Gardens, Kew, undated, Edwin Haslam, 2005, Pam Tatum of Hall Farm Nursery, Gainsborough, Lincolnshire, 2001, a copy of RHS Bursary application for Keith Rushforth, 2002, and photographs of Ruscus leaves printed on standard printer paper