226 



DiolCA ( White Bryony). 



the barren, by the presence of an ovary below the calyx. 

 These are succeeded by globular scarlet berries, which 

 hang about the bushes after the stems and leaves have 

 withered. The berries of Black Bryony (Tamus corn- 

 munis) are larger, and elliptical in shape ; both should 

 be avoided as injurious, if not poisonous. M. May 

 August. Perennial. 



ORD. XXXIIL POETULACE^. THE PURSLANE 



TRIBE. 



Calyx of 2 sepals, united at the base ; petals usually 

 5, from the base of the calyx ; stamens 3 or more, 



