X YL 



Division or seeds. 



635 



Z YG 



Loam and 



ZIERIA. Ten species. Green-house 

 evergreen shrubs. Young cuttings. San- 

 dy loam and peat. 



ZIGADENLS. Five species. Hardy 

 herbaceous perennials. Division or 

 seeds. Peaty moist soil. 



ZILLA. Two species. Half-hardy 

 evergreen shrubs. Cuttings. Light rich 

 soil. 



ZIXZIBER. Ginger. Thirteen spe- 

 cies. Stove herbaceous perennials, 

 except Z. miega, which belongs to the 

 green-house. Division. Loam, peat, 

 and sand. 



ZINNL\. Eight species. Hardy an- 

 nuals. Seeds. Rich mould, or common 

 soil. 



ZIZIA. Three species. Hardy herb- 

 Division or seeds. 



nial. 

 peat. 



XYLOMELUM pyriforme. Green- 

 liouse evergreen tree. Ripe cuttings. 

 Loam, peat, and sand. 



XYLOPHYLLA. Eleven species. 

 Stove evergreen shrubs. Ripe cuttings. 

 Loam and peat. 



XYLOPLA.. Three species. Stove 

 evergreen shrubs. Ripe cuttings. Loam 

 and peat. 



YELLOW SULTAN. Centaurea sua- 

 veolens. 



YELLOW-TAILED MOTH. See 

 Bombyi. 



YEW TREE. Taxus. 



YUCCA. Adam's Needle. Thirteen 

 species. Hardy, stove, and green-house 

 evergreen shrubs, and a few hardy herb- aceous perennials 

 aceous perennials. Y. pendula, a vari- ! Moist soil, 

 ety of Y. aloifolia, is a hardy deciduous \ ZIZIPHORA. Seven species. Hardy 

 tree. Suckers. Light rich soil. j annuals, Z. acmo/des a hardy deciduous 



" Cut the flower-stem off Yucca glori- trailer, and the others half-hardy ever- 

 osa directly it has done flowering, and green shrubs. The latter increase by 

 take away all the suckers, except two cuttings, the former by seeds. Common 

 or three of the strongest. Then remove soil. 



a little of the soil round the bottom of ZIZYPHUS. Lotus. Fourteen spe- 

 the plant, and replace it with a dressing cies. Stove, green-house, hardy, and 

 of equal parts of sandy loam and cow- half-hardy evergreen, and a few hardy 

 dung." — Card. Chron. ' deciduous shrubs. The stove and green- 



ZAMIA. Twenty-one species. Stove house kinds increase by ripe cuttings, 

 or green-house herbaceous perennials, and succeed in loam, peat, and sand; 

 Suckers. Light sandy soil. the hardy kinds by ripe cuttings or lay- 



ZEBRA PLANT. Calathea zebrina. ers, and require a rich soil. 



ZEPHYRANTHES. Eleven species. ZORNL\. Seven species. Stove an- 

 Green-house and half-hardy bulbous pe- nuals and green-house herbaceous pe- 

 rennials, and a few hardy and half-hardy rennials. Seeds. Peat and loam, 

 herbaceous perennials. Off^sets. Turfy ZYGOPETALUM. Six species. Stove 

 loam, peat, and sand. orchids. Division. Peat and potsherds. 



ZEXME^IA tagetijlora. Half-hardy ZYGOPHYLLUiAL Thirteen species, 

 herbaceous perennial. Seeds. Com- Green-house and stove evergreen shrubs, 

 mon soil. Cuttings. Loam, peat, and sand. Z. 



ZICHYA. Three species. Green- prostratum is a trailer ; Z. simplex, a 

 house evergreen twiners. Young cut- half hardy annual ; and Z./a6ag:o is in- 

 tings. Sandy loam and peat. creased by seeds only. 



THE END. 



