Nature: Cold and humid in the second degree.
Optimum: Those with large leaves and of a lemon-yellow color.
Usefulness: Relieves insomia and spermatorrhea.
Dangers: It is harmful to coitus and the eyesight.
Neutralization of the Dangers: By mixing it with celery.
From the Tacuinum of Rouen
Français : Laitue (Lactuce)
Nature: froide et humide au second degré.
Optimum: celle qui a de grandes feuilles et une couleur jaune-citron.
Usage: Soulage l’insomnie et la spermatorrhée.
Dangers: Nocive pour le coït et pour la vue.
Neutralisation des dangers: En la mélangeant avec du céleri.
{{Information |Description={{en|1=Lettuce (Lactuce) Nature: Cold and humid in the second degree. Optimum: Those with large leaves and of a lemon-yellow color. Usefulness: Relieves insomia and spermatorrhea. Dangers: It is harmful to coitus and the eyesigh