86 PRESENT-DAY GARDENING 



Barkeria. The Barkerias form a section of Epiden- 

 drums. They should be grown in baskets or suspending 

 pans in the cool intermediate house. They require a dry 

 and cool resting period. 



Bartholina. The Bartholinas are dwarf, terrestrial 

 Orchids of South Africa. They should be potted in loam, 

 peat, and sand, and cultivated on a green-house shelf. Rest 

 dry and cool. B. pectinata is the only species in gardens. 



Batemannia and Bollea. See Zygopetalum. 



Bifrenaria. Pot these as recommended for epiphytal 

 Orchids, and grow them in the intermediate house. B. 

 Harrisonicz is the finest species. Others worthy of cul- 

 tivation are B. aurantiaca, B. bicornaria, B. inodora, 

 B. tyrianthina, and B. mtellina. 



Brassia. The Brassias are epiphytal Orchids of South 

 America, and may be grown in the intermediate house. 

 The most familiar species are B. brachiata, B. caudata, 

 B. Lawrenceana, and B. verrucosa. 



Broughtonia. B. sanguinea is a pretty, crimson-flowered 

 species from Jamaica. B. lilacina is also a fine species, 

 though rarely seen in gardens. Broughtonias should be 

 grown on bare rafts suspended in the warm or intermediate 

 house. 



Brassavola. A small genus with white, fragrant 

 flowers. . B. Digbyana, a species with large, f ringed-lipped 

 flowers, has been much used by the hybridist Brassavolas 

 may be grown with the Cattleyas. 



Bulbophyllum. A widely distributed genus which may 

 be divided into two sections the deciduous, chiefly Burmese, 

 requiring a dry resting season ; and the evergreen, which 

 should not be strictly dried off. All the species thrive in 



