Chap. I 



PEIMTJLA VEKI8. 



15 



stands iu the mouth of the corolla or projects just 

 above it, and is thus externally visible. It stands 

 high above the anthers, which are situated halfway 

 down the tube and cannot be easily seen. In the 

 short-styled form the anthers are attached near the 

 mouth of the tube, and therefore stand above the 

 stigma, which is seated in about the middle of the 

 tubular corolla. The corolla itself is of a different 



Fig. 1. 



Long-atfled form. Short-styled form. 



Pkimula teris. 



shape in the two forms; the throat or expanded 

 portion above the attachment of the anthers being 

 much longer in the long-styled than in the short- 

 styled form. Village children notice this difference, 

 as they can best make necklaces by threading and 

 slipping the corollas of the long-styled flowers into 

 one another. But there are much more important 

 differences. The stigma in the long-styled form 



