Erroneous plant nomenclature

992. When a plant has been erroneously made a distinct genus, the name so applied to it may be retained for a specific appellation, as Lathrï¾µ'a Phelypï¾µ'a, and Bartsia Gymnandra; and this may also be done when a plant has been celebrated, either in botanical, medical, or any other history, by a particular name, as Origanum Dictamnus, Artemisia Dracunculus, Laurus Cinnamomum, Selinum Carvifolia, Carica Papaya. In either case the specific name stands as a substantive, retaining its own gender and termination, and must begin with a capital letter.