328 ORCHIDS. 



B. Odontoglossum angustatum. Peru . Bat. Odon., 26. 

 Flowers on tall branching stalks. Sepals and petals 

 narrow, white, with purple spots ; lip white, very short. 



Odontoglossum apterum. SYN. of Odontoglossum Rossii. 



B. Odontoglossum astranthum. Ecuador. 



A species bearing tall spikes of large flowers, yellowish 

 marked with purplish brown ; lip white, spotted with pale 

 rose. 



Odontoglossum aureo-purpureum . SYN. of Odontoglossum 

 luteo-purpureum. 



A. Odontoglossum Bictonense. Guatemala. 



B. R., 26, 66. 



Bat. Odon., 18. 



I. H., 449, and 3, 91. 



Fl. des Ser., 1502. 



This tall-growing and free-blooming species sports into 

 many varieties, some of which are infinitely superior to 

 the type. The flower-stems are erect, often two feet high. 

 The flowers are about an inch in diameter, yellow banded 

 or spotted with brown ; lip purple, often nearly white. 

 This plant is figured as Cyrtochilum in " Bateman's Orchids 

 of Mexico and Guatemala," plate 6, and as Zygopetalum 

 africanum in the "Botanical Magazine," tab. 3812. It is 

 a pretty species of easy culture. The varieties Odontoglos- 

 sum Bictonense grandiflorum, roseum, and spkndens differ 

 only in intensity of color and size of flower. 



A. Odontoglossum blandum. Ocana . . Bat. Odon., 28. 



A very pretty plant, resembling a dwarf form of Odon- 



toglossum navium. Flowers white, speckled with brownish 



