172 HOUSE PLANTS 



Because of these troublesome spines in the 

 ordinary forms the so-called " spineless" cac- 

 tus was hailed with great joy, the claim 

 being that it would be a good stock food. 

 There is nothing really new about it, how- 

 ever, as spineless cactuses of various genera 

 are well known to botanists and collectors. 



