Annonaceae. Dr. P.S. Ashton (A) has agreed to start a revision of this family for the Flora Malesiana. Araceae. Dr. Josef Bogner (M) is completing work on the philodendroids of Borneo. He found that Bucephalandra was mis-described and illustrated with parietal instead of basal placentation. As a result he reduced Microcasia to it. See also the Bibliography.