He writes "Honey does not contain pollen." Oh Yes It Does. His theory is that because honey does not contain pollen, it will be no good in a homeopathicky way to cure hay fever.
He goes on to add a proper argument, citing a small trial, http://www.ncbi.nlm.nih.gov/pubmed/11868925, the conclusion of which was "This study does not confirm the widely held belief that honey relieves the symptoms of allergic rhinoconjunctivitis." My only caveat is the small (36) sample size.