Plate II. 



Fig. 1. Seedling of Claytoma Virginica L., showing the single cotyledon, 

 and the long, primary root, swollen at the base. 



— 2. Claytonia sarmentosa Mey. 



— 3. Claytonia Chamissonis Esch. 



— 4. Claytonia parvifolia Moc. 



Figs. 1 — 4 are drawn in natural size. 



