BIPRRNARIA. 



77 



white with a slight ting-e of violet at the apex, lip ])aler than in the 



original form ; ehurnea (Williams' Orch. Alb. III. t. 100, Lycaste), sepals 



and petals ivorj^-white, lip yellow, streaked with rod-purple ; jnirpurasrens, 



sepals and petals light plum-purple, front lohe of lip dark plum-purple. 



The botanical and horticultural history of those orchids that have 



been longest in cultivation is often the most obscure, because in 



the early days of orchid culture very little care was taken to 



Bifrcnaria Harrisonise. 



ascertain habitats or to record the dates of introduction. Bifrenaria 

 Harrisonicc is an instance of this. All that is recorded respecting 

 its origin is_, that it was sent by Mr. William Harrison, a British 

 merchant residing in Rio de Janeiro, to his brother Richard at 

 Liverpool, and that on flowering it was named by Sir William 

 Hooker in compliment to another member of the family, Mrs. Arnold 

 Harrison, the possessor of one of the finest collections of orchids 

 at that time. The probable date of iutroJuction is thence 1821 — 22. 

 In a note in Walper's Annalcs BotaniccSj Reicheubach states 



