cae : *. COMPARATIVE MORPHOLOGY OF PISTILS 313 
: G. 43. Longitudinal section of a pistil at the time of pollination. The 
Shaded portion represents the part where the laminae have not yet met. X 75. 
Fic. 44. Longitudinal ventral section of a pistil from the same flower as 
Jig. 43, in the line 6-8. « 12 
Potentilla Monspeliensis L. 
Fie, 45. Longitadisal section through a young flower showing the.devel- 
cee Les x 145. 
G. 46. Ventral view of a pistil from the flower shown in fg. 45, showing 
the ae X 330. 
Fic. 47. Lateral view of a pistil from the same flower, showing the lobe- 
like growth of the part of the lamina which bears the ovule. The dotted line 
shows the normal development. X 445. 
Fic. 48. Ventral view of a pistil showing the excessive growth of the 
lamina which bears the ovule. The dotted line outlines the attachment of the 
ovule. X 255. 
FIG. 49. Longitudinal section of a pistil sheorily before pollination. 255. 
FIG, 50. Longitudinal section of a mature pistil. X 150. 
Fragaria Virginiana Duchesne. 
Fic. 51. Longitudinal section of a half-grown pistil. X 210 
Fig. 52. Longitudinal section of a pistil of about the same age as the pre- 
a but showing two ovules. X 295. 
G. 53. Longitudinal section of a | pistil ready for pollination. X 175. 
