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 cklorantha), showing dehiscence 

 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 raftunculoides), 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 placentae. B, three pods of Lotus corniculatus ; a, just beginning to 

 crack- 6, split throughout, with the pieces somewhat twisted ; c, empty of seeds, the 

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



