Plate I. 



Fig. 1. Claytonia megarrhiza Parry ; natural size. 



— 2. An inflorescence. 



— 3, 4 and 6. Leaves, showing variation in outline. 



— 6. The calyx. 



— 7. The coroUa laid open showing the stamens. 



— 8. The pistil. 



— 9—14. The capsule, showing various stages of the opening. 



— 16. The seed. 



Figs. 2—5 are drawn in natural size; figs. 6 — 15 are magnified. 



