DESCRIPTIVE LIST. 267 



with white and green, pale yellow inside. The soil for 

 this plant should be rich fibrous peat and loam. It 

 should have but little heat, and never be allowed to dry 

 off. We have treated more fully of this plant in the early 

 part of this book. The great trouble in its culture ap- 

 pears to be want of water j if there is good drainage it 

 can hardly have too much water. It does not need much 

 heat, and should be grown with a good circulation of air, 

 and not full sun. 



Disa grandiflora superba is a very showy variety, figured 

 in Warner's Orchids, 36. 



The genus is a large one, exclusively South African 

 and Abyssinian. Some of the species are attractive, 

 many having rosy flowers, while in others there is a 

 charming mixture of blue, white, green, and purple. 



Disa Barelli, figured in F. M., 2, 104, is a showy 

 species. Other species are Disa bracteata, B. R., 324; 

 D. cormcta, B. M., 4091 ; D. prasinata, B. R., 210 ; D. pul- 

 chella, scutellifera, fasciata, melaleuca, and spathulata. 



Drymoda. Lindley. Epiphyte. 



Name from Spvpds, a forest. 



This genus contains the smallest Orchids ; the pseudo- 

 bulbs are less than an inch in diameter, and the whole 

 plant is infinitesimal. 



Drymoda picta. Moulmein Sert. O., 8. 



B. M., 5904. 



Foliage none ; flowers in long scapes from the minute 



