Rx Garden (Yew/Taxol 8), 2011, gouache on paper, 15 x 11 inches

Rx Garden (Mayapple/Podophyllotoxin 6), 2010, gouache on paper, 15 x 11 inches

Rx Garden (Yew/Taxol 3), 2009, gouache on paper, 15 x 11 inches

Rx Garden (Yew/Taxol 2), 2010. gouache on paper, 15 x 11 inches

New Chemistry, 2009, gouache on paper, 30 x 20 inches