XXXVl 



BOTANY. 



In some species of plants there are two or three kinds of flowers, 

 difiering as to tlie relative lengths of the stamens and styles; these 



Fig. XXXVII.— ileterostyled flowers of Buckwheat; the upper figure show- 

 ing the long-styled form, the lower the short-styled. (From Miiller.) 



are called Tieterogonous or heterostyleci. When there are two forms, 

 viz., one in which the stamens are long and the styles short, and 



Fio. XXXVm.— Long-, mid-, and short-styled flowers of Oxalis speclosa, 

 after the removal of the floral envelopes. (From Darwin.) 



the other with short stamens and long styles, the flowers are 

 said to be dimorphous, or more accurately Tieterogonous dimorphous, 

 and the forms are distinguished as short-styled and long-styhd. 



