Woman authoress makes success of mushroom cultivation . Miss Amelia Defries , a well known authoress and lecturer of art of Thaxted in Essex , is probably the only woman who has succeeded in growing mushrooms as a commercial proposition as she has 40 beds under cultivation . . She is exhibiting at the Horticultural Society ' s show at the Royal Horticultural Hall , Westminster . Photo shows ; Miss Emelia Defries with a mushroom bed at the show . 9 May 1933