302 



PLANT LIFE. 



changes of moisture (fig. 348). In other cases the pericarp 

 splits lengthwise into two or more pieces (fig. 349), or, less 



FIG. 347 . 



FIG. 348. 



FIG. 347. Ripe capsules of a wintergreen (Pyrola chlorantha}, showing dehiscenee 

 by pores. The opening is a short split at the middle of the base of each carpel. 

 Natural size. After Kerner. 



FIG. 348. Ripe capsules of a bellflower {Campanula rapunculoides), showing 

 small reflexed valves. Natural size. After Kerner. 



FIG. 349. A, capsule of violet split open at maturity, the seeds still attached to the 

 parietal placenta;. j9, three pods of Lotus corniculatus ; a, just beginning to 

 crack; , split throughout, with the pieces somewhat twisted ; c, empty of seeds, the 

 two pieces fully dried and twisted. Natural size. After Baillon. 



