AND THEIR MANAGEMENT. 



407 



Oncidium. 



dark green leaves about gin. long. Flower-spikes strong, arching, 

 many-branched, sometimes 3ft. long, and heavily laden with 

 flowers, which are about lin. across ; sepals and petals small, 

 green, with brownish blotches ; lip large, spreading, bright yellow, 

 with two ovate lateral lobes, then a narrow and short waist ; 

 the large middle lobe being kidney-shaped and notched ; crest 

 tieshy and curiously toothed. Cultivated on blocks or rafts, or 

 in baskets, in a mixture of peat-fibre and sphagnum, and kept 

 in the moist end of the Cattleya- or the intermediate-house whilst 



Fig. 140. Flower of Unxidium :Marshalliaxo-Foreesii 



(nat. size). 



growing, this and the following will produce fine spikes of flower 

 during'winter and spring. Whilst in bloom they may be trans- 

 ferred to the cool-house" Brazil, 1S47. (W. O. A., iv., t. 192.) 



Var. Rogersii is by far the best of the several known to 

 cultivation. Specimens with spikes bearing over 150 flowers 

 have been grown in England. The lip in this variety is fully 

 2in. across, and is of a rich golden-yellow colour, with a few 

 bars of red at the base. (Fig. 139; Fl. Mag., t. 477.) 



O. zebrinum (Tfr/z^. /).— Belonging to the small-lipped section 

 is this very beautiful, large-flowered species. In habit, pseudo-bulb. 



