338 ORCHIDS. 



Sepals greenish yellow, marked with brown ; petals 

 white, with purple spots ; lip white. Blooms in winter. 



This species resembles Odontoglossum Ehrenbergii, ex- 

 cept that the flowers are solitary. 



The varieties ^Odontoglossum Rossii majus and superbum 

 are very superior forms, the flowers being three inches in 

 diameter and often more than one on a spike ; the colors 

 are richer, and the lip is sometimes purple. 



A. Odontoglossum Roezlii. Colombia. Bat. Odon., 30. 



B. M., 6085. 



F. M., 2, 164, 



var. album. 

 F. M., 2, 90. 



A species allied to Odontoglossum vexillarium and 

 Phal&nopsis. 



Flowers very large, pure white ; base of petals purple ; 

 lip white, yellow, and brown. 



B. Odontoglossum rubescens. Nicaragua. 



A pretty little species ; sepals and petals blush, spotted 

 with crimson ; lip white. 



V 



B. Odontoglossum retusum. Ecuador. 



A dwarf plant, bearing a branching spike of orange 

 and yellow flowers. 



A. Odontoglossum Schlieperianum. Costa Rica. 



SYN. Odontoglossum grande pallidum* F. M., 2, 461. 

 A species resembling Odontoglossitm Insleayi in growth, 

 but distinct in flowers, which are self-colored amber and 

 almost without spots. A summer bloomer. 



