1972 A TEXTBOOK OF THEORETICAL BOTANY 



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Fig. igoi. — Distribution oi Aponogeton. 



and floating leaves. The flowers arise above the water in spikes which are 

 often branched dichotomously. The perianth consists of one to three 

 segments, there are six or more stamens and three or more free, unilocular 

 carpels with a group of basal ovules. Each flower may be subtended by a 

 conspicuous white bract. Aponogeton distachyum (Fig. 1902), the Cape 



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Pig. 1902. — Apunugftun Uuhu/iyum. iluwcimg pkim. 



