There is a passage on pulpo in De Nola, second Spanish ed. 1529, here (go to pdf no. 62, right page, which is folio lxiiii r): http://allandalus.com/~apicius/Libro%20de%20guisados%20Ruperto%20Nola.pdf The whole file is something like 60 MBs. For a translation, go to the de Nola florilegium file, # 226. E.