316 GKEENHOUSE PLANTS. 



sweet. If treated in the manner described above, it will make 

 an excellent exhibition plant, and can be had in bloom from 

 Jnne to the end of October. Native of the East Indies, but 

 through having become wild by the sides of streams and 

 various places in the south of Europe, it is often considered a 

 native of Europe. 



N. Oleander album. — This differs from the species in having 

 light green leaves and pure white flowers. 



OxYLOBIUM. 



A genus of Leguminose shrubs, from New Holland, very 

 elegant when in bloom ; they should be grown in a mixture of 

 peat and loam, made very sandy. There are many species 

 well deserving cultivation, all being easily managed, and con- 

 tinuing in full beauty a considerable time. They may be 

 increased by inserting cuttings of the young wood in sand, 

 w-hich should be covered with a bell-glass. 



0. arhorescens. — This species attains the height of three or 

 four feet, and may be grown into a handsome specimen ; the 

 leaves are linear-lanceolate ; flowers yellow, produced in dense 

 corymbs, and continuing from April to June in great beauty. 

 Native of Tasmania. 



0. ohtusifolium. — A handsome compact-growing plant, 

 attaining the height of two or three feet, and producing its 

 orange yellow and crimson flowers from March to the end 

 of May. The leaves are oblong, smooth on the upper surface, 

 but very silky beneath, margins revolute ; racemes of flowers 

 terminal, flowers with the vexillum rich orange colour, yellow 

 at the base, the keel and wings rich crimson. From New 

 Holland. 



0. Pultenem. — The leaves of this fine species are smooth, 

 linear, somewhat obtuse, with the margins rolled back, some- 



