412 THE CULTIVATED EVERGREENS 



" Wintergreen, Spotted. See Chimaphila maculata. 

 ' ' - - Wire-Plant. See Muehlenbeckia complexa. 



Wonga-Wonga Vine. See Pandorea australis. 

 Woodwax. See Genista tinctoria. 



Xolisma ferruginea. See Lyonia ferruginea. 



Yaupon. See Ilex vomitoria. 

 Yellow Oleander. See Thevetia nereifolia. 

 Yew, American. See Taxus canadensis. 

 Yew, English. See Taxus baccata. 

 Yew, Irish. See Taxus baccata var. fastigiata. 

 Yew, Japanese. See Taxus cuspidata. 

 2B Yucca aloifolia (Y. serrulata). Low shrub with narrow dagger-like leaves 



arising in a dense rosette from the underground stem. W. Indies and New 

 Mex. to Va. 

 IB Yucca angustifolia (Y. glauca). Bear-Grass. Spanish Bayonet. Low shrub 



with narrow dagger-like leaves arising in a dense rosette from the under- 

 ground stem. S. Dak. to New Mex. 

 IB Yucca filamentosa. Adams Needle. Low shrub like the above, but leaves are 



broader and more sword-like. 

 IB Yucca glauca. See Y. angustifolia. 



2B Yucca gloriosa (Y. acuminata). Foliage resembles that of the other yuccas, 



but plant becomes bushy by developing a short trunk. Coast from S. C. 

 to Fla. 

 2B Yucca Treculeana (Y. contorta, cornuta, Hort.). Foliage resembles that of the 



other yuccas, but plant becomes a small tree with distinct trunk. Texas to 

 E. Mex. 



2BT Zamia floridana. Coontie. Comptie. Fern-like plant. S. Fla. in open dry 



pine woods. 

 IBRS Zenobia pulverulenta (A. glauca, Hort.). Shrub 2-4 ft. N. C. to Fla. Has 



beautiful glaucous leaves and stems. 



