1791-1839 1873-1932 1885-1958 19thcentury allan anecdotes asia australia biography botanicalspecimens botanists botany china collectionandpreservation descriptionandtravel discoveriesinscience economic england ericaceae forrest france george greatbritain himalayamountainsregion history homesandhauntskingdon-ward journeyscunningham journeyskingdon-ward kingdon-ward missionaries naturalhistory ornamental pictorialworks plantcollectors plants rhododendrons scientificexpeditions scotland tibetautonomousregion travelcunningham