FIG. 825. Floral diagram of Zingiberaceae (after EICHLER). b, Bract ; r, bracteole ; k, calyx ; 

 pi-3, segments of corolla ; ssti, sst^, staminodes of the outer whorl of the androecium ; * the 

 suppressed stamen of this whorl ; st, the single fertile stamen; I, petaloid staminodes of the 

 inner whorl of the androecium forming what is known as the labellum. 



FiG.826.Zingiberofficinale. 



nat. size. After BERO and SCHMIDT.) OFFICIAL. 



744 



