  A simple, seven-parameter trial function is proposed for a description of the
ground state of the Lithium atom. It includes both spin functions.
Inter-electronic distances appear in exponential form as well as in a
pre-exponential factor, and the necessary energy matrix elements are evaluated
by numerical integration in the space of the relative coordinates.
Encouragingly accurate values of the energy and the cusp parameters as well as
for some expectation values are obtained.
