Sentence:  Amongst the causes which have contributed to obscure this branch of Botany, we must especially allude to the prevalence of the habit indulged in by many authors of creating a special nomenclature without regard to that of their predecessors; the slightest structural modification is no sooner recognized than a new term is invented for it, so that the same organ has received several names; and, to add to the complication, the same name has been on several occasions applied to different organs. This redundant <WSD>glossology</WSD> which even w:Carl Linnaeus 
Meaning of the word marked with <WSD> tags:  The naming of parts of plants.