THE THREE FORMS OF LYTHRUM SALICARIA. 171 
Long- 
styled. 
rms of Lythrum salicaria, in their 
Diagrams of the flowers of the three fo 
and with the near side of the clayx 
natural position, with the petals removed 
cut away: enlarged six times. 
The dotted lines with the arrows show w 
stigma to cause full fertility. 
hich pollen must be applied to each 
