EditorialMosses, Thuidium tamariscinum and Calliergonella cuspidata 1-5, short-snouted seahorse, Hippocampus hippocampus 6, and hyssop, Hyssopus officinalis. Hypnes, Hyppocampe, Hysope. Handcoloured steel engraving by Pfitzer after an illustration by A. Carie B...