172 orchid-grower's manual. 



D. thyrsifiorum. — A fine show'y species, in habit like D. 

 densifiorumy but stronger, with the apex of the bulbs slightly 

 yellow, and producing splendid clusters of golden and white 

 flowers. From Moulmein. 



D. tortile. — A charming evergi'een species from Java, grow- 

 ing about two feet high ; it blooms in the same way as T). 

 nohUcy and requires the same treatment. The flowers are pale 

 yellow, indeed almost white ; it blooms in May and June, 

 lasting a long time in perfection. 



D. tortile roseum. — This is a beautiful variety of the pre- 

 ceding species, resembling it in every respect, saving the 

 colour of its flowers, which are in this plant a delicate rose, 

 shaded with yellow. A very desirable variety ; blooms in May 

 and June. Native of Java. 



D. transjmreiis. — A beautiful small-flowering Indian Orchid, 

 which blooms in the same way as D. nohile. The flowers, 

 which gi'ow in pairs along the stems, are of a pale, trans- 

 parent, pinkish lilac, stained in the middle of the lip with a 

 blotch of deep crimson ; it blooms in May and June, and does 

 well grown in a pot with peat or moss. 



D. triadenium. — A delicate Orchid from India, of upright 

 growth, and evergreen ; it produces its white and pink flowers 

 on a small spike from the old stems, and lasts two weeks in 

 bloom; flowers at difi'erent times of the year, and is best 

 gro"^Ti in a pot with peat. 



Z). Veitchianum. — See D. rnacrophyUinn. 



D. Wallichicmum. — This is a beautiful kind, resembling D, 

 nohile in general appearance ; it has, however, much taller stems, 

 darker foHage, and richer colom-ed flowers. It blooms during the 

 winter and spring months, and may be retarded until the 

 summer with care, when it makes a noble and valuable spe- 

 cimen for exhibition purposes. The treatment recommended 

 for D. nohile suits this plant also. Native of the East Indies. 



