March.'] green-house — repottixg. 243 



should be sprinkled with water in the evening, to keep oli the 

 red spider. (Soil ^^0. 11.) 



Nandina domestlca, 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 j)auicles, succeeded by berries of the size 

 of a pea; drain the pots well. (Soil No. 1.) 



JSlerium (Oleander) is a genus of beautiful erect-growing 

 evergreen shrubs, of the easiest culture, and abundant in 

 flower. N. olednder is the common rose-colored single flower- 

 ing species, from which many varieties have originated. At 

 present the most popular is JSf. olednder sjjlendens, which 

 has a double rose-colored flower, iV! o. striata fi. pi. has 

 doubled striped flowers. N. macropliylhim 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 color. N. o. purpurea, dark red. There is one 

 that has got into our collections as double white, which is 

 only semi-double. JSf. olednder elegantisswium, 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 oiN oledn- 

 der. They are subject to the small white scaly insect, and 

 should be frequently washed, as has been directed, to keep it 

 ofi-. (Soil No. 12.) 



Oleas, Olive, about twelve species and varieties. 0. Eu- 

 ropcea longifdlia is the species that is cultivated to such an 

 extent in the south of France, and Italy. 0. Europcea 

 latifoUa 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 woolen 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 

 Itlay, 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 axillar}^ spikes. O, 

 capensis has thick large oblong foliage; flowers white in large 

 terminal panicles. 0. verrucosa, foliage' flat, lanceolate, and 



