Two of us are taking a class in scientific illustration at the United States Botanic Garden/Corcoran this month (January, 2013) (and will report back here after the class). We thought that the membership would be interested to know about the classes offered this year, and here is the link:
Botanical illustration is a type of scientific illustration and we hope the class will help us see, understand and depict plants and flowers with greater accuracy.
"Look deep into nature, and then you will understand everything better." Albert Einstein