humiferous

† huˈmiferous, a. Obs. rare^—0.
  [f. L. (h)ūmifer containing moisture, f. stem of (h)ūm-ēre, (h)ūm-idus, (h)ūm-or: see -ferous.]
  ‘Waterish, that brings moisture’ (Blount Glossogr. 1656).

Oxford English Dictionary