ZINGIBER. 



576 



ZOSTERA. 



is only necessary to name one of them, 

 namely-, Zieria Smithn> with white flowers, 



ZEA OR MAIZE STRIPED-LEAF VARIETY. 



also called Sandfly Bush and Tasmanian 

 Stinkweed. 



Zhl'giber (nat. ord. Scitamin'ese). 



The Ginger plants, of which there are 

 several species. All are with us stove 

 plants. It is the root or rhizome which is 

 made use of for ginger. The flowers are 

 not remarkable. 



Zin'nia (nat. ord. Compos' itse). 



A grand genus of autumn - flowering 

 half-hardy annuals, combining the greatest 

 richness and diversity of colour with un- 

 equalled profusion and duration of bloom. 

 The best known are Zinnia elegans with 

 flowers of various colours, white, buff', 

 scarlet, rose, lilac, bronze, violet, and 

 crimson, and its varieties Z. coccinea, 

 scarlet ; Z. flow-plena, with double flowers ; 

 and Z. violacea, purplish-violet. The seed 



June ; they should be planted in the 

 richest soil and the warmest situation 

 possible. For flower beds, borders, and 

 conservatory decoration, the zinnia is alike 

 valuable. 



Ziz'ypllTlS (nat. ord. Rham'nese). 



Pretty fruit-bearing greenhouse evergreen 



shrubs, with extremely graceful foliage. 



They succeed best in sandy peat and loam, 



and are propagated by cuttings of ripened 



I wood struck under glass, or by root buds in 



pieces of the root. Zizyplms Jujuba, or 



( the Jujube-tree, is one of the best-known 



| greenhouse species, and Z. vulgaris of the 



hardy shrubs. Z. spina Christi may be 



named, as it is supposed to have been the 



shrub from whose branches the crown of 



thorns that was placed on our Saviour's 



head when He was crucified was made. 



Zoste'ra (nat. ord. Naiada'cese). 



A marine grass, Zostera marina; also 

 known as Wrack Grass, which is very 



useful 



DOUBLE ZINNIA. 



aquaria. It is found 



the 



embouchures of tidal rivers and estuaries, 



should be sown early in March, so .as to and may be recognised by its ribbed-like 

 have strong stocky plants to put out in j appearance. 



