LaTeX.org

I would like to install the qtree package mentioned in the LyX Wiki:
http://wiki.lyx.org/LyX/LinguistLyX#toc8

I downloaded the style form "qtree.sty" from
http://www.ling.upenn.edu/advice/latex/qtree/

and I ran the following install script
#!/bin/bash
mkdir -p $(kpsewhich -var-value TEXMFLOCAL ...