SOLUTION OF CALYX FROM PISTIL. 



79 



of the development of the flowers in Pomacece as given 

 by Payer, Caspary, and others, so that the flowers 



Fig. 36. Section through Apple Fig. 37. Calyx detached from 



blossom, showing detachment of carpels iu Apple, 

 calyx from ovaries, absence of 

 dilated flower-stalk, &c. 



above described would owe their deficiency of the swollen 

 receptacle to an arrest of development. M. Germain 

 de Saint Pierre, among other malformations of the rose, 

 presented to the Botanical Society of France in 1854^ two 

 specimens which are of special interest as relating to 

 this contested point. In the one, the swollen portion 

 beneath the flower was surmounted by five perfect 

 leaves, as, indeed, is not infrequent in such malforma- 

 tions ; here, then, the calyx could have had little or no 

 share in the production of the swelling in question. In 

 the other, the swollen portion was actually above the 

 insertion of the sepals here represented by five perfect 

 leaves. 



On the other hand, M. Planchon's specimen of the 

 Quince before alluded to, not to mention other in- 

 stances, tends to show that the bases of the sepals do 

 sometimes enter into the composition of the pome. 

 And, indeed, in many of these cases it would be im- 

 possible to say where the axial or receptacular portion 

 ended, and the foliar portion began. As botli from 



' BuU. Soc. Bot. Fr.,' 1854, p. 303. 



