antical

adj

1. (not-comparable)Oriented towards the apex.
2. (not-comparable)Of or pertaining to the surface of a prostrate thallus that is oriented away from the substrate.

   “The antical margin is entire, the apex is usually tipped with a single acuminate tooth, although a second smaller tooth is sometimes present at the antical base of the apical tooth, or the apex may even be subequally bispinose.”