The Red Line
Speculum humanae salvationis. Source: gallica.bnf.fr Bibliothèque nationale de France, Département des manuscrits, Latin 511, fol. 24r.
Flaming shrub
Speculum humanae salvationis. Source: gallica.bnf.fr Bibliothèque nationale de France, Département des manuscrits, Latin 511, fol. 7v.