3farch.'] green-house — repotting. 243 
should be sprinkled with water in the evening, to keep off the 
red spider. (Soil No. 11.) 
Xandina domestica, a very hardy species, and a popular 
shrub in the gardens of Japan, where it is called Nandin. 
It has supra-decompound leaves, with entire lanceolate leaf- 
lets, a kind of foliage that is very rare; the flowers are small, 
whitish-green, in panicles, succeeded by berries of the size of 
a pea; drain the pots well. (Soil No. 1.) 
Nerium (Oleander) is a genus of beautiful erect-growing 
evergreen shrubs, of the easiest culture, and abundant in 
flower. N. oleander is the common rose-coloured single flower- 
ing species, from which many varieties have originated. At 
present the most popular is JSf. oleander splendens, which 
has a double rose-coloured flower, iV. o. striata fl. pi. has 
doubled striped flowers. N. macrophyllum has very large 
double pink flowers. N. o. ragindt or tangle, has deep crim- 
son flowers striped with white, though they are frequently 
of a pink colour. N. o. purpurea, dark red. There is one 
that has got into our collections as double white, which is 
only semi-double. N. oleander elcgantissimum, a most beau- 
tiful plant with deep silver-edged foliage ; and the young 
wood is striped white and green. There are likewise single" 
yellow, single white, and single blotched varieties of N. olean- 
der. They are subject to the small white scaly insect, and 
should be frequently washed, as has been directed, to keep it 
off. (Soil No. 12.) 
Oleas, Olive, about twelve species and varieties. 0. Eu- 
ropsea longifblia is the species that is cultivated to such an 
extent in the south of France, and Italy. 0. Europcea 
latifblia is chiefly cultivated in Spain. The fruit is larger 
than that of Italy, but the oil is not so pleasant, which is 
obtained by crushing the fruit to a paste, and pressing it 
through a woollen bag, adding hot water as long as any oil 
is yielded. The oil is then skimmed off the water, and put 
into barrels, bottles, &c, for use. The tree seldom exceeds 
thirty feet, and is a branchy, glaucous evergreen, and is said 
to be of great longevity. Some plantations at Turin, in 
Italy, are supposed to have existed from the time of Pliny. 
It frequently flowers in our collections, but seldom carries 
fruit ; flowers white, in small racemose axillary spikes. 0. 
capensis has thick, large, oblong foliage ; flowers white in large 
terminal panicles. 0. verrucosa, foliage flat, lanceolate, and 
