The Collaborative International Dictionary of English v.0.48:

Lalo \La"lo\, n.
   The powdered leaves of the baobab tree, used by the Africans
   to mix in their soup, as the southern negroes use powdered
   sassafras. Cf. Couscous.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Couscous \Cous"cous`\ (k??s"k??s`), n.
   A kind of food used by the natives of Western Africa, made of
   millet flour with flesh, and leaves of the baobab; -- called
   also lalo.
   [1913 Webster]