GLOSSARY. 157 



— A beautiful, glabrous-leaved tree, of quick growth ; in 

 favourable situations attaining a height of from 30 to 40 

 feet. It has large shining, oblong or elliptical leaves, incon- 

 spicuous green-hued flowers, and large oblong fruit. The 

 pulp of the latter is eaten by the Maoris, by whom the 

 tree is called ' Karaka,' meaning ' church,' and probably 

 having some reference to the early days of the missionaries ' 

 open-air preaching in its shade. 



Nile Lily.— CALLA (RICHARDIA) ^ETHIOPICA. 

 (Natural Order, Aroide^e.) Pp. 30, 35. — This well- 

 known plant is aquatic, but also grows in ordinary garden 

 soil. Its large, deep, creamy-white flowers, with orange- 

 coloured spadix, form an attractive contrast. It is often 

 called the Trumpet Lily, from the shape of its flowers. It 

 is a native of Africa. 



Norfolk Island Pine. — See ' Araucaria.' 



o 



Oat.— A VENA SATIVA. (Natural Order, Gramine^e.) 

 Pp. 54, 183. — There are numerous species of Oats, such as 

 the White, Black, Potato, etc. The oat thrives best in cold 

 regions; in Victoria, New South Wales, and Tasmania it is 

 principally grown as a hay crop. 



Oidium Tuckeri (FUNGI) or 'WHITE MILDEW.' 

 P. 59. — This is the parasite producing one of the diseases 

 in Grape Vines. Sulphur dusted on the leaves offers a 

 complete cure. Some grasses are attacked by kindred 

 species. 



Old Maid. — See ' Periwinkle.' 



Oleander.— NERIUM OLEANDER. (Natural Order, 



