The aim of this paper is to analyze the importance for the history of the Spanish scientific lexicon of the book Principios de Botánica (1767) by Miguel Barnades i Mainader (1708-1771). Its scientific and lexical value is unquestionable. From the scientific point of view, Barnades' work spread in Spain the Linnaean system trough its use for teaching at the Real Jardín Botánico of Madrid. From the lexical point of view, he introduced in Spanish a new scientific terminology relating to Botany, specifically he created 141 new words, 52 of which were subsequently incorporated into the Spanish dictionaries. Due to all these reasons this texts hould be taken into account and properly investigate at the time of compiling the Spanish scientific lexicon in the eighteenth and nineteenth centuries.... [Leer más...]