CHAPTER III. 
DESCRIPTION OF THE PLATES. 
BY JOHN TORREY, M. D. 
Plate I. JANUSIA GRACILIS, (page 9.) 
Fig. 1. A flower, from which two of the petals and one of the sepals have been removed; 
magnified. 
Fig. 2. A sepal, showing the two glands at its base ; more magnified. 
Fig. 3. A petal; magnified. 
Fig. 4. The two stamens ; one of them showing the hack, the other the front of the anther. 
Fig. 5. The pistil; considerably magnified. 
Fig. 6. One of the carpels with its cavity laid open, showing the seed in its natural position ; 
moderately magnified. 
Fig. 7. The seed removed, and magnified. 
Fig. 8. The embryo ; equally magnified. 
Plate II. STYPHONIA SERRATA, (page 9.) 
Fig. 1. A leaf from an old plant; of the natural size. 
Fig. 2. The calyx, with bracts at its base ; enlarged. 
Fig. 3. An expanded flower; also enlarged. 
Fig. 4. A sepal; more enlarged. 
Fig. 5. A petal; equally enlarged. 
Fig. 6. A stamen ; considerably magnified. 
Fig. 7. The pistil; equally magnified. 
Fig. 8. The same, with the cavity laid open and exhibiting the ovule ; more enlarged. 
Fig. 9. A berry ; somewhat magnified. 
Plate III. DALEA SPINOSA, (page 9.) 
Fig. 1. A flower; enlarged. 
Fig. 2. The calyx ; also enlarged. 
Fig. 3. Parts of the corolla: a, the standard; b, b, the wings; c, c, petals of the keel; 
enlarged. 
Fig. 4. Monadelphous stamens ; more enlarged. 
Fig. 5. A separate stamen, with only the free portion of its filament; still more magnified. 
Fig. 6. The pistil; magnified. 
Fig. 7. A pod, partly enclosed in the persistent calyx. 
Fig. 8. An ordinary cauline leaf; moderately enlarged. 
Fig. 9. Leaves from a young seedling plant. 
