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DESCRIPTION OF THE PLATES. 
PLATE I. CLEMATIS LASIANTHA.—Page 29. 
A PORTION OF THE PLANT OF THE NATURAL SIZE. 
Fig. 1. A perfect flower. Fig. 2. A head of carpels on its peduncle; of the natural size. 
PLATE IL DELPHINIUM.—Page 30. 
UPPER PORTION OF THE PLANT OF THE NATURAL SIZE. 
Fig. 1. A sepal; enlarged. Fig. 2. One of the upper petals; equally enlarged. Fig. 3. One 
of the lower petals; also enlarged. Fig. 4. A stamen; magnified. Fig. 5. The three pistils; 
also magnified. 
PLATE III. DENDROMEEON RIGIDUM.—Page 32. 
А. A FLOWERING PORTION OF THE PLANT. В. А PORTION IN FRUIT. 
Fig. 1. A flower bud; magnified. Fig. 2. A stamen; more magnified. Fig. 3. An ovule; 
still more magnified. Fig. 4. A seed; equally magnified. Fig. 5. The same; — r 
divided. Fig. 6. The embryo; highly magnified. 
PLATE IV. ISOMERIS ARBOREA.—Page 35. 
UPPER PORTION OF THE PLANT OF THE NATURAL SIZE. 
Fig. 1. Plan of the flower. Fig. 2. A flower bud. Fig.3. An аламы 8 flower. Fir 
A petal. Fig. 5. A stamen. Fig. 6. Cross section of the anther. Fig. Т. A flower frou 
which the petals have been removed, showing the torus and its appendages. Fig. 8. Traw 
verse section of the ovary. Fig. 9. A seed, seen in front. Fig. 10. The same; side * i 
Fig. 11. Longitudinal section of the same. Fig. 12. The embryo. АП the figures morc or 
less magnified. 
PLATE V. FRANKENIA GRANDIFOLIA.—Page 35. 
A BRANCH OF THE NATURAL SIZE. 
Fig. 1. A flower. Fig. 2. Transverse section of the calyx. Fig. 3. A flower, with the calyx 
and part of the petals removed. Fig. 4. A petal, showing the inner side. Fig. 5. A stamen, 
showing the posterior side. Fig. 6. The pistil. Fig. 7. The ovary, divided longitudinally. 
Fig. 8. Transverse section of the same. All the figures more or less enlarged. 
