454 



JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



would the hybrids, especially those of C. niveum and C. concolor 

 parentage, which are known to be slow and " miffy " growers ; the 

 weaker would have to go to the wall, and the stronger would 

 survive. 



Hybrids of the Second Generation. 

 Hybrid Orchids of the second and third generations are well 

 known to differ much in variability from those of the first gene- 



100. — SOPHRO-CATTLEYA X EXiailA (CATTLEYA BOWHIXGIANA $ X SOPHRONITIS GRANDIFLORA <? 



{Journal of Horticulture.) 



ration. Generally speaking, as we have seen, hybrids of the 

 first generation are uniformly intermediate, having a narrow 

 range of variation ; whereas hybrids of the second and third 

 generations are very variable indeed, having a wide range of 

 variation, sometimes reverting wholly to the parent species or 

 parent hybrid, and occasionally even resembling a collateral 

 hybrid. The more hybrids are crossed with one another the 



