Fig. 44. 
Boerhaavia diffusa. 
Linnd, flora Zeilanica p. 4.(1747). 
a, longitudinal section of a flower; b, pollen-grains; c, longitudinal sec¬ 
tion of fruit; d, transverse section of fruit; e, embryo and albumen in their 
natural position; /, radicle and cotyledons severed; all magnified.. 
