History of botany scope of the subject as technology has opened up new techniques and areas of study. Modern molecular systematics, for example, entails the principles and techniques of taxonomy, molecular biology, computer science and more. Within botany there are a number of sub-disciplines that focus on particular plant groups, each with their own range of related studies (anatomy, morphology etc.). Included here are: phycology (algae), pteridology (ferns), bryology (mosses and liverworts) and palaeobotany (fossil plants) and their histories are treated elsewhere (see side bar). To this list can be added mycology, the study of fungi, which were once treated as plants, but
The Power of Movement in Plants John Murray. This book stands at the culmination of a long line of study in plants and is immediately preceded by 'The different forms of flowers on Plants of the same species’ (1877). (See Bibliography for additional publications on plants.) These studies on plants were first evidenced in 'On the various contrivances by which British and foreign orchids are fertilised by insects’ (1862), the publication that immediately followed "On the Origin of Species By Means of Natural Selection". He co-authored this study with his son Francis Darwin (who specialised in botany) and his devotee, George Romanes, who assisted in editing