At the link below there is a simple sketch called Goethe's phases of plant development. I found it with a google image search which hit on another Goethe/botany sketch too.

Here is a link that might be useful:

Schweet! I found it after a search with the words 'goethe' and 'naturelle'.

Thanks for replying, albert 135.

cheers,
trey

Here is a link that might be useful: Oeuvres d'Historie Naturelle de Goethe