now TO DISSECT A FLOWER. 
151 
if the efforts made to explain both processes should tend to a 
closer acquaintance with our beautiful wild flowers, and to 
increase the number of botanical observers, both writers will be 
gratified. 
Fig. 
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7? 
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EXPLANATION OF THE PLATE. 
1. Calyx of Primrose {Pmnula vulgaris). 
Transverse section of flower above the ovary, enlarged. 
3. Upper view of corolla of Primrose, showing the segments. 
4. Side view of tubular corolla of the Primrose. 
5. Stamen of Primrose. 
6. Pollen grain of Primrose X 360 diameters. 
7. Upper view of pollen grain of Primrose X 360 diameters. 
8. Pistil of Primrose, showing ovary, style, and stigma. 
9. Stigma of Primrose, magnified. 
10. Stigmatic surface of Primrose X 360 diameters. 
11. Longitudinal section of one-celled ovary of Primrose (enlarged). 
12. Transverse section of the same ovary. 
13. Ovule of Primrose X 60 diameters. 
14. Longitudinal section of entire flower of Primrose. 
15. Upper view of flower of Figwort {Ranunculus Ficaria). 
16. Under view of calyx of the same. 
17. Single petal of Figwort, with scale at its base. 
18. Stamen of Figwort. 
19. Longitudinal section of entire flower of Figwort. 
20. Pollen grain of Figwort X 360 diameters. 
21. Longitudinal section of entire flower of Violet {Viola odoratai) 
enlarged. 
22. Lower saccate petal of Violet. 
23. Crested stamen of Violet. 
24. Spurred stamen of Violet. 
25. Pistil surrounded by the stamens. 
26. Pollen grains of Violet X 360 diameters. 
27. Pistil of Violet with the stamens removed. 
28. Transverse section of ovary of Violet. 
29. Flower of Snowdrop {Galanthus nivalis), with sepal removed. ' 
30. Longitudinal section of ovary of Snowdrop, enlarged. 
31. Stamen of Snowdrop. 
32. Transverse section of ovary of Snowdrop, enlarged. 
33. Pistil of Snowdrop, enlarged. 
34. Kaphides from pistil of Snowdrop. 
35. Diagrammatic transverse section of Snowdrop, showing position 
of its parts. 
36. Cvule of Snowdrop X 60 diameters. 
37. Pollen grains of Snowdrop x 360 diameters. 
