ITS KINDS. 319 



differs from the pine-apple in having this succulent axis ov receptacle 



on the outside. It may be compared with such an anthocarpous 

 fruit as a rose-hip (Fig. 429). It results from a multitude of flow- 

 ers concealed in a hollow flower-stalk, if it 

 may be so called, which becomes pulpy and 

 edible when ripe; and thus the fruit seems 

 to grow directly from the axil of a leaf, 

 without being preceded by a blossom. The 

 minute flowers concealed within, or some of 

 them, ripen their ova- 

 ries into very small 

 achenia, which arc 

 commonly taken for 

 seeds. The principal 

 form of multiple fruit 

 which has received a 

 substantive name is 

 625. The Strobile or Cone, a scaly multiple fruit, resulting from the 



FIG 590 A young fig. 591. Vertical section of the prime, enlarged 592. A small slice of 

 the same, more magnified, showing the flowers on the inside. 



FIG 593 A j oung mulberry 594 One of the grains, magnified, showing it to be a pis- 

 tillate flower, -with a succulent calyx embracing the ovary 595. The same, less magnified, the 

 eucculent calyx cut away. 



FIG 596 Strobile or Cone of a Pitch Tine. Pinus rigida. 597. Inside view of one of the 

 scales, showing one of the seeds, and the place from which the other, 59S, has been detached. 



