thrive.  It appears  to be  admirably adapted for  a  rock-work  
 where it forms  a suffrutescent bush,  producing its  flowers in  
 great profusion,  and  for  several months together.  Cuttine's  
 planted in  sand,  root readily.  ’ 
 The  name  alludes  to  the  thorny  leaves,  being  derived  
 irom cpvTTTio,  to tear. 
 1.  Flower.  2 .  Calyx.  3.  Corolla, with  the  Stamens.  4.  P is til. 
 l i