ONCIDIUM. 237 



flat, and spreading, deeply three-lobed in front, and rich 

 golden yellow in colour. It blooms during winter, and is 

 said to be a variety of O. varicosum. Native of Brazil. 



0. roseum.. — A pretty small-flowering species from Hon- 

 duras. The flowers are rose coloured, spotted with red ; it 

 blooms at diflerent times of the year, lasts six weeks in good 

 condition, and is best grown in a pot, with peat. 



0. roseum superhum. — This is a fine large variety of the 

 preceding, which I saw in the collection of the late T. West, 

 Esq., Clapham Park ; it is a magnificent plant, making spikes 

 five feet long, covered with its beautiful large rich crimson and 

 white flowers. 



0. rupestre. — A very handsome cool-house species : the 

 pseudobulbs are smooth and stout, pale green ; leaves ligu- 

 late, about a foot long, and dark green ; flowers numerous, 

 produced on a much-branched spike ; sepals and petals bright 

 flame colour, spotted with brown ; lip similar in colour. 

 Native of Peru. 



0. sarcodes. — A fine species, with handsome flowers, irom 

 Brazil, and producing its branching spikes of yellow and 

 crimson flowers dui'ing March and April. This species is 

 finely flowered in the collection of H. H. Gibbs, Esq., Regent's 

 Park. A very rare compact-gi'owing plant, which is best 

 grown in a pot, with peat. 



0. serratwn. — A pretty species which should be grown in 

 rough fibrous peat, and placed in the cool-house. The pseudo- 

 bulbs are oval, some six inches high or more, dark green, 

 bearing rigid acute leaves of the same coloui* ; spike twining 

 and branched, fi^-om six to twelve feet long, bearing many 

 large flowers, which are bright chocolate brown, margined with 

 yellow ; sepals much crisped at the margins, the lower ones 

 much lengthened out ; petals smaller and connivent ; lip small. 

 This plant is sometimes called 0. diadema. Native of Peru. 



