DESCRIPTIVE LIST. 353 



A magnificent plant, with very long scandent stems, 

 producing a profusion of flowers, three to four inches in 

 diameter ; sepals purplish brown, tipped with yellow ; 

 petals golden, with blood-red markings ; lip crimson- 

 purple, with white crest. Blooms in spring and summer. 



Oncidium macranthum hastiferum. 



A fine variety, with olive-yellow sepals, bright yellow 

 petals, and crimson lip. 



Oncidium maculatum. SYN. of Odontoglossum maculatum. 



A. Oncidium Marshallianum. South America. 



B. M., 5725. 



Flowers golden yellow, with rich crimson-brown spots. 

 A large-flowered, magnificent species, 



C. Oncidium maxilligerum. Brazil. 



SYN. Oncidium hians. 



A species resembling Oncidium Harrisonii. Lip of a 

 more vivid yellow ; crest of the column bent back, and 

 forms with the top of the lip some resemblance to a jaw- 

 bone. 



C. Oncidium microchilum. Guatemala. 



B. R., 1843, tab. 23. 



Sepals greenish red ; petals red and yellow ; lip white 

 and yellow. 



C. Oncidium monoceras. Brazil . . . . B. M., 3890. 

 Sepals greenish ; petals yellow, marked with brown ; 

 lip yellow, tinted with red at the base, having a horn at 

 the top. 



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