DESCRIPTIVE LIST. 



413 



A. Zygopetalum rostratum. Demerara . . B. M., 2819. 



Perianth yellowish-green lip white, veined with rose. 

 This species requires more heat and moisture than the 

 others. 



B. Zygopetalum steuochilum. Brazil . Lodcl. Cab., 1923. 



B. M., 2819. 



This appears to be a smaller variety of Zygopetalum 

 Mackayi. 



These plants will do well in either house in pots with 

 peat and good drainage, and plenty of water at the roots. 

 They need a rest of about two months, but should never 

 be allowed to become wholly dry. They mostly bloom in 

 autumn. Propagated by division. 



CYPRIPEDIUM CONCOLOR. 



