The Collaborative International Dictionary of English v.0.48:

Blolly \Blol"ly\, n. (Bot.)
   (a) A shrub or small tree of southern Florida and the West
       Indies (Pisonia obtusata) with smooth oval leaves and a
       hard, 10-ribbed fruit.
   (b) The rubiaceous shrub Chicocca racemosa, of the same
       region.
       [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

blolly
    n 1: evergreen climbing shrub of southern Florida and West
         Indies grown for its racemes of fragrant white to creamy
         flowers followed by globose white succulent berries [syn:
         blolly, West Indian snowberry, Chiococca alba]