Those which relate to land, so called to
distinguish them from those which are collateral to it.
2. These powers are appendant, as where a tenant for life has a power of
making leases in possession. They are in gross when a person has an estate in
the land, with a power of appointment, the execution of which falls out of the
compass of his estate, but, notwithstanding, is annexed in privity to it, and
takes effect in the appointee out of an interest appointed in the appointer. 2
Bouv. Inst. n. 1930.
Source: Bouviers Law Dictionary 1856 Edition