Fig. 7
From: Scholar’s Dilemma: “Green Darwin” vs. “Paper Darwin,” An Interview with David Kohn

Primula veris, the cowslip variety of primrose Darwin used in his plant hybridization experiments. Credit: NYBG
From: Scholar’s Dilemma: “Green Darwin” vs. “Paper Darwin,” An Interview with David Kohn
Primula veris, the cowslip variety of primrose Darwin used in his plant hybridization experiments. Credit: NYBG