498 BOTANY OF THE LIVING PLANT 



Each flower of the spike is sessile in tlic axil of a large leafy bract, and is 

 of an epigynous Liliifloral type, but specialised so as to be an accurate 



Whole plant of Orcln^ niaciilata. iachKiiiif; thp swollen iiiveorhizic roots. 

 (After Figuier.) 



mechanism for pollination (Fig. 402, i). The inferior ovary itself constitutes 

 the stalk of attachment of the ses.sile flower. It shows ridges, the spiral 

 turns of which indicate that the flower has been inverted hj a halt-circle- 

 twist of the o\-ary (resupinutc) (11. iii.). The anterior side is thus turned to 



