158 AUSTRALIAN BOTANY. 



Apocyne.e.) P. 32. — This handsome, evergreen shrub, 

 bearing a beautiful flower, is in much request for orna- 

 mental gardening. It is sometimes called the Rose Bay. 

 The plant is poisonous. 



Olive. — OLEA. (Natural Order, Oleace.e, included in 

 the Jasmines.) Pp. 35, 53, 186. — This plant was originally 

 introduced into Europe from Asia. The cultivated species, 

 from which the valuable fruit and oil are obtained, are 

 much - branched, evergreen trees, living to a great age. 

 Chalky soils, near the coast, seem best adapted for the 

 culture of the Olive. Excellent Olive oil has been prepared 

 from fruit grown in the Melbourne Botanic Gardens. The 

 climate of many parts of Australia is well adapted for its 

 cultivation. In South Australia its culture is, at the present 

 time, an industry of considerable importance. Oil of great 

 excellence has been frequently produced from Olives grown 

 in Xew South Wales during the past forty years, but the 

 culture has never developed into importance. 



Onion.— ALLIUM CEPA. (Natural Order, Liliace^e.) 

 Pp. 17, 183. — An esculent, with qualities too well know T n to 

 need description. 



Orange.— CITRUS AURANTIUM. (Natural Order, 

 Rutaceje.) Pp. 1, 2, 4, 52, 55, 63, 186. — There are many 

 varieties of this genus ;. amongst those best known are the 

 Sweet, Blood (or Maltese), Mandarin, Seville (or Bitter), 

 and Bergamot Oranges ; from the latter the well-known 

 perfume is obtained. The warmer parts of Australia are 

 suited to the culture of this delicious fruit. The trees thrive 

 tolerably well around Melbourne ; but at Paramatta, near 

 Sydney, their cultivation has been for many years a 

 systematic industry, and the orangeries of that locality are 



