How to Create Vue-like-plants in Bryce
By: Helmut Schaub (English Edited by: Linda White)

The Basics

If you create plants with polygons, you get a very big file.
A rendering with such meshes looks very unrealistic.

The other way is to warp bitmaps on a simple polygon mesh.
The part outside the leave will be set to invisible with a transparent-map.

You need a (black-and-white) picture for the Transparency Map and a photo of the leaf as Color Map