v^"^^ 



Fig. 566: Myriophyllum brasiliense: a, section of stem, showing whorl of leaves 

 with flowers in the axils, x 2; b, habit, the emersed part of plant erect, with flowers 

 in the leaf axils, and the submersed part of plant with roots arising at the nodes, x %; 

 c, pistillate flower, showing bracteoles, x 8; d, young pistillate flower of upper part of 

 plant, showing calyx lobes and bracteoles, x 8. (From Mason, Fig. 280). 



