"Dog's-tooth violet (Erythronium americanum). Stages of development from the seed. 1-5 show the stage of development in each of five successive years. Full explanation in the text. 6, Bulb showing a surface bud (the sprout has been destroyed)." -Gager, 1916

Dog's-Tooth Violet Stages

"Dog's-tooth violet (Erythronium americanum). Stages of development from the seed. 1-5 show the stage…