517 



It was named in honour of the late Provost Eussel of 

 Falkirk. — Ecuador. 



Stn. — Zygopetahim Russelimum, 



P. Wallisii, Linden et RcJib. f. — This superb species 

 resembles P. cerina in its general appearance, but has larger 

 flowers. It forms a tuft of lorate acuminate leaves, from 

 the axils of which issue the short peduncles, bearing each 

 a solitary blossom of some three inches in diameter, the 

 oblong obtuse apiculate sepals and rhomboid petals being of a 

 rich creamy v/hite tipped with bluish violet ; the oblong retuse 

 furrowed lip is of a deeper violet, with a white margin, and 

 the ruff or cillus of seventeen keels is also white tinted in 

 front with purple. The column is white, with a band of dark 

 violet at the base. It is a fine addition to this beautiful 

 genus, requiring somewhat cool treatment. — Ecuador. 



'Fig.— Flore des Serrex, t. 1828. 

 Syn, — Zygopetalum I J '« Ulsii. 



Phajus, Loureiro. 



( Ti ihe Epidendrete, suhtribe Bletiese.) 



A fine genus of tall-growing terrestrial Orchids, which 

 produce their well-furnished racemes of beautiful flowers 

 very freely, and which when well grown are noble objects. 

 The name is sometimes written Phaius. The stems are 

 in some of the species pseudobulbous ; the leaves are large 

 and plicate ; the flower scape in the genuine species is 

 erect and leafless, and the flowers, which grow in racemes, 

 are large and showy. The sepals are free, and the lip gibbose 

 or spurred at the base, its lateral lobes broad and rolled over 

 the elongated footless column. There are about a dozen 

 species, which are found in Tropical Asia, India, Ceylon, the 

 Malay Islands, Madagascar, Australia, and China. A few 

 leafy stemmed species with nodding racemes are now referred 

 to the genus Thunia. 



Culture. — These plants are of easy culture, but they will 

 amply repay any amount of attention and care. They are of 



