THE FLORIST AND POMOLOGIST. 
[ June, 
126 
LADY'S SLIPPERS.— Chapter VII. 
HE plant we now introduce, Cypripedium longifolium , is quite of a different 
type from those we have already illustrated. It belongs, in fact, to the 
group Selenipeclium , which Prof. Reichenbach, the great authority on 
orchids, retains as a separate genus, characterized by its three-celled ovary. 
Though less showy than some other species, it is by no means unomamental, as 
it forms a fine tuft of vigorous arching leaves, which are of a lorate form, strongly 
keeled, and of a plain green colour. The flowering-scape is upwards of 2 ft. long, 
erect, producing in succession numerous flowers, so that it continues for 
several months in bloom. The flowers are of a pale yellowish-green colour, 
slightly stained with brown, the petals being marked longitudinally near 
