A printed photograph from the RHS Journal for the 1928 Primula Conference of 'Primula umbrella', cultivated by seeds collected by George Forrest, c.1910, and growing at the Royal Botanic Gardens, Edinburgh. Annotated by Forrest on the back, 'This sp. nov. came up amongst my seedlings of P membranifolia! Good! GF'. From an archive of books, magazines and illustrations formerly in the library of George Forrest.