266 ORCHIDS. 



Dicrypta. Lindley. Epiphyte. 



Name from 5/s, double, and KpvTrTu, to conceal, alluding to structure 

 of the pollinia. 



Dicrypta crassifolia. D. discolor. 



D. bicolor. D. iridifolia. 



Dienia. Lindley. Epiphyte. 



Name from Si's, two, and rivia, a strap, alluding to attachment ofpollen 



masses. 

 Dienia cordata. 



Dinema. Lindley. Epiphyte. 



Name from Sis, two, and va>, to spin, alluding to the two thread-like 



horns of the column. 

 Dinema paleaceum. Lindley. 

 D. polybulbon. Lindley. B. M., 4067. 



Dipodium. Brown. Terrestrial. 



Name from Sis, two, and irovs, a foot, referring to the threads of the 



pollinia. 



Dipodinm pnnctatum. B. R., 23, 1980. Maund, Bot., 2,66. 

 D.flavum. See Cyrtoperaflava. 



Disa. Bergius. Terrestrial. 



Origin of name unknown. 



A. Disa grandiflora. Cape Pes., 18. 



B. M., 4073. Sert. Bot, 7. 



Sert. O., 49. Jen. Orch., 40. 



F. M., 69, 223. B. R., 926. 



Large flowers, of deep scarlet crimson ; petals tipped 



