— Oncidium Jonesianum flavens, is a distinct and rare evergreen variety resembling 
the species in habit of growth, and produces a many-flowered inflorescence upwards 
of eighteen inches long. The sepals and petals are pale yellowish green, spotted 
with pale green and yellow; the lip is white with yellow crests. It blooms during 
the months of September, October and November, and enlivens the Orchid houses 
with its cheerful blossoms for several weeks. We have found the most suitable 
manner to grow this plant is upon a block, or a raft of wood, which indeed is the 
most natural manner, and the natural plan succeeds best under cultivation. In this 
manner this beautiful Orchid displays its charms to the best advantage. .The leaves 
grow in the manner depicted on our plate, and the flower spikes proceed from the 
base of the newly made growth, when the plants are suspended amongst or 
against plants with good foliage, to form a background, a charming and pleasing 
effect is produced. A few Palms and Ferns arranged with the Orchids forms a — 
charming and enchanting picture, which deserves the attention of Orchid erowers to 
a greater extent than they have yet given the subject. : 
This Oncidium, we find, enjoys more heat than was at first anticipated. We have 
ourselves tried it in different temperatures, and have also observed the results 
obtained in other collections, and from these observations we are fully convinced 
that want of heat has been the cause of failure in the cultivation of this plant, 
and the conditions under which this plant has for the most part hitherto been 
grown is a mistake, and that it really requires strong heat and moisture. We find 
the temperature of the East India house suit it admirably. The plants are suspended, 
and syringed every day in summer, and the roots are kept moist throughout the 
growing season; during rest the supply of water must be reduced. The plant has 
now become very reasonable in price, and we advise our readers to grow this species 
in quantity, more especially as but little space is necessary for its accommodation, 
and as its cheerful flowers appear during the autumn months—a season when Orchid 
blooms may be reckoned as scarcest. 
