DESCRIPTIVE LIST. 397 



be kept almost dry at the roots. The flowers are usually 

 produced in summer and autumn, and remain only a few 

 days in perfection. These plants should not be repotted 

 oftener than once in three or four years ; but when the 

 masses of pseudo-bulbs grow large, the plants flower bet- 

 ter if they are broken up. 



Stenia. Linden and Reichenbach. Epiphyte. 



Name from erev^s, narrow, from the form of the pollinia. 

 A. Stenia fimbriata. New Granada . . . I. H., 3, 80. 

 A very showy plant (without pseudo-bulbs), with long, 

 narrow, dark-green leaves. Flowers on slender scapes 

 from base of foliage, bright yellow, with paler lip, beauti- 

 fully fringed and spotted with carmine. Blooms in sum- 

 mer. 



Stenia pallida. Demerara B. R., 24, 20. 



Flowers yellowish white, spotted with red. 



These plants require the same treatment as Masdevallias. 



Stelis, Stenocoryne, Stenorhynchus. 



These genera (all except Stenorhynchus epiphytes) offer 

 little worthy the attention of the amateur. 



Thunia. Reichenbach. Terrestrial. 



Name in compliment to Von Thun. 



A. Thunia alba. India Pax. Mag., 5, 125. 



SYN. Phajus albus. B. R., 1838, 33. 



B. M., 3991. 



