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white and red flowers: the root is poisonous. There are two 

 other varieties very commonly met with bearing double flowers 

 both red and white, and by budding the red colour on the 

 opposite one in several parts of the same stalk, a very pretty 

 appearance may be given to the shrub. The yellow congener 

 is called the Exile introduced I believe from America. Grows 

 easily from cuttings. 



NERIUM GRANDIFLORUM. NAT. MENDASINGHI. Double species 

 cultivated by seed or cuttings. 



NETTLE. Vide Urtica Interrupta. 



NICOTIANA TABACUM. Solanacece. NAT. TAMBACA. NICOTIANA 

 PEESICA. The well known Tobacco plant, is grown from seed 

 and requires a rich soil, the plants should be at least two feet 

 apart, and if the leaves are required for preservation and use, 

 the flowers as they appear must be removed with the leading 

 stem. 



NUTMEG. Vide Myristicha Moschata. 

 OLIBANUM. Vide Boswellia Thurifera. 



OLIVE. Olea. The Olive is a very important genus of plants, 

 on account of the oil, &c., which is obtained, chiefly from some 

 of the varieties of 0. europcea. They are also much admired for 

 the fragrance of their flowers, which renders them worthy of a 

 place in every collection. They grow well in loam and peat ; 

 ripened cuttings root readily in sand, under a glass. They may 

 also be increased by grafting on the common privet. 



OPUNTIA. Cactacece. THE PRICKLY PEAR OR NOPAL. This is 

 used as a hedge plant about gardens, and forms a strong useful 

 fence, both against men and cattle, but harbours rats and other 

 vermin, also snakes. The red fruit is used as a dye, and may 

 also be eaten. 



ORANGE. Vide Citrus Aurantium. 



ORCHIS COMMELINJIPOLIA. Orchidacece. Root of two or more 

 spindle-shaped succulent tubers ; scape erect, about eighteen 

 inches high : round, smooth jointed ; with cylindric sheathes ; 

 about half the length of the joints. Flowers white, scentless ; 



