CHE REFERENCE LIBRARY - Pole Shift Survival Information

440 THE NURSERY-MANUAL
Xanthosoma. A racm.
Handled by offsets and by dividing the root-stock. See Aracea~.
Xeranthemum. Compositn.
Annuals propagated by seeds, usually sown in the open.
Yucca (Spanish Bayonet). Liliacm.
Multiplied by seeds and offsets ; also by cuttings of stem and
rhizome.
Zaluzianskya (Nycterinia). Lc;croyh.uZar,iacea?.
Grown from seeds sown indoors in spring or in autumn and
plants wintered in a coldframe.
Zamia. Cyradacfw.
Increased by division of the crowns when possible; or by seeds
and suckers (offsets). The plants are oftenest imported directly
From the tropics. See Cj/cas.
Zantedeschia (Calla of florists). 11 racm.
Propagated lq- offsets, which should be removed and potted
when plants are at rest; old crowns may be divided. This is the
plant known 8s Cnlla ceth,iopica and Richardia africana. Some of the
zantedeschias are grown from seed. See AracecE, page 239.
Zanthoxylum (Prickly Ash). R,utacm.
Multiplied by seeds, suckers, but more often by root-cuttings.
Zea : :Un ix.
Zebrina (Wandering Jew). Conz mclzhact?a~. *
Very easily multiplied by single-joint cuttings of the trailing
shoots. These shoots root at the joints if allowed to run on moist
earth. This is the wandering jew wi.th reddish foliage and flowers ;
the green-foliaged and white-flowered one is a tradescantia.
Zenobia. Ericizcece.
Propaga,ted by seeds and layers ; also by cuttings of half-ripened
wood in July, placed in gentle heat, or by greenwood cuttings from
forced plants.
Zephyranthes (Zephyr Flower). Amaryllidacm.
Multiplied by seeds and by the bulbels or offsets.