Possible Clues:

• He gets to all the trees in the swamp
• Tree worker needing trees
• Tree found in island wood
• Type of tree the fellow goes to the wood for
• Tree bishop, possibly, planted to left of wood
• Swamp tree found in island thicket
• Tree chap planted before several others
• Shrub chap discovered on good ramble
• Plant growing in swamps
• Tree growing on tropical coasts and in muddy swamps