302 



PLANT LIFE. 



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

 splits lengthwise into two or more pieces (fig. 340), or, less 



Fig. 347. 



Fig. 348. 



Fig. 347. — Ripe capsules of a wintergreen (Pyrola c/itoran//ta), showing dehiscence 

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



Natural size— After Kerner. 

 Fie;. 348. — Ripe capsules of a bellflower (Campanula ra/>u>uuloides), showing 

 small reflexed valves. Natural size. — After Kerner. 



Fig. 34g.—/f, capsule of violet split open at maturity, the seeds still attached to the 

 parietal placenta;. />', three pods of Lotus corniculatus ; a, just beginning to 

 1 r,<. k ; 6, split throughout, with the pie< es somewhat twisted ; < , empty ol seeds, the 

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



