The Culture of Greenhouse Orchids 



PLEUROTHALLIS. (Side-blooming.) 



There are many species of this genus, some 

 remarkable for beauty, but of the minute class. 

 Peat and moss, or the Belgian system. They 

 will not bear to be dry at any time, and when 

 growing they need much water. 



Insignis. Of good size, but, unfortunately, not 

 one of the prettiest. Greenish-white, with a few 

 purple stripes. Lip dark purple. New Granada. 



Eoezli. This is the finest species, making spikes 

 a foot long, which bear ten to twenty-five small 

 flowers of deepest purple. New Granada. Spring. 



PROMENvEA. 



This genus is now merged in Zygopetalum, but 

 everybody uses the old name. There are two 

 species, both delightful. Books class them among 

 intermediate orchids ; but, after many years' ex- 

 perience, I can vouch that they grow at least as 

 well in the cool house in fact, they could not 

 possibly grow better. Small bulbs do not bloom 

 so freely, I confess; but they soon get big. Peat 

 and moss, or the Belgian system. Much water 

 while growing ; while at rest they must be damp. 



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