224 



THE CACTACEAE. 



served as Dr. Rose did not find it either at Berlin or Paris in 1912. Schumann mentions 



who associates the two. Dr. Rose, 



Ecuador 



Weber 



from 



The 



in all direc- 



which grows in hedges and along the roadsides, 

 has escaoed from irardens but we know nnthincr 



may 



It resembles 



Fig. 300. — Opuntia bonplandii. X0.5. 



somewhat 



r 



Castilla, so common in Mexico and the southwestern states 



Humboldt compared it with the tuna de Espana which may be the same 

 seems to have called his plant Cactus coccmeUif 



Bonpland 



. . - . ^ which it very much resembles in the 



shape of the joints and in being spineless in age. If we are right in our interpretation 

 of this species it has no close alliance with O. quitcnsis which Dr. Rose collected also ; 



^t** - 



^■^-:< 



< ^ 



\X 



•c-%. 



very small 



are those of 



bonplandii and most 



the other species. 



- M 



1 



Fig. 301. — Opuntia dobbieana. 



