Fig. 562: Ludwigia repens: a, part of plant, x i/^; b, end of branch, about x 1; c, 

 flower, X 5; d, young fruit, x 5; e, cross section of fruit, x 5; f, mature fruit, x 5; g, 

 seed, x 60. (Courtesy of R. K. Godfrey). 



