202 



ORCHIDS 



Dendrobium. 



portion of the old wood and potted up in chopped 

 sphagnum and rough sand. Or the pseudo-bulbs may 

 be cut in lengths containing three nodes, and inserted 

 in a pan of sphagnum as cuttings. These should 



Fig. 6i. Dexdroeium atroviolaceum 



(much reduced). 



be stood in a hot, humid atmosphere, where they 

 quickly start, and may be potted up singly when 

 new roots appear. Ever}- encouragement in the way 

 of heat and moisture will be necessar\- until growth 

 is complete. 



