38 



OREODOXA Willd. 



©reodoxa regia H. B. K. Royal Palm. 



Range. — Florida (on Rogues River, 20 miles east of Caximbas Bay, Longs Key, 

 J3iscayne Bay, near mouth of Little River); West Indies, and Central America. 



Name in use. — Boyal Palm (Fla.). 



NEOWASHINGTONIA 1 Sudworth. 



^Neowashingtonia filamentosa (Wend.) Sudw. Fanleaf Palm. 



Washtngtonia filifera Wendl. 



Range. — Southern California (San Bernardino Mountains to Colorado River). 



Names in use. — YYashington Palm (Gal.): California Fan Palm 

 (Cal.); Arizona Palm (Gal.); Wild Date (Cal.); Fanleaf Palm (Gal.). 



Family LILIACE^. 



YUCCA Linn. 

 Yucca treculeana Oarr. Spanish Bayonet. 



Range. — Texas (Matagorda Bay) and southward into Mexico (Sierra Madre Moun- 

 tains, Nuevo Leon), and along the Rio Grande to the eastern hase of mountaius of 

 western Texas. 



Xame in use. — Spanish Bayonet (Tex.). 



Yucca arborescens (Torr.) Trelease. Joshua-tree. 



Yucca brevifolia Engelm. 



Range. — Southwestern Utah to California (to the western and northern borders of 

 the Mohave Desert). 



Kames in use. — Tree Yucca (Cal.) j Yucca Cactus (Cal.) ; The Joshua 

 (Utah); Joshua tree (Utah, Ariz., 1ST. Mex.). 



Yucca brevifolia Torr. Schott Yucca 



Range. — Southern boundary of Arizona; Mexico. 



Yucca constricta Buckl. 



Range. — Southwestern Texas to southern Arizona; northern Mexico. 



Yucca macrocarpa (Torr.) Coville. Broadfruit Yucca. 



Range. — Southwestern Texas (desert plateau). 



Yucca inohavensis Sargent. Mohave Yucca. 



Range. — From northeastern Arizona and southern Nevada into California (across 

 the Mohave Desert) ; and from southern base of San Bernardino Mountains to the 

 coast and northward to Monterey Bay. 



Yucca aloifolia Linn. Aloe-leaf Yucca. 



Range. — Coast of North Carolina to Florida and Gulf coast to Louisiana. 



Name in use. — Spanish Bayonet. 

 Yucca gloriosa Linn. Spanish Dagger. 



Range. — Coast of South Carolina and islands. 



VARIETIES distinguished in cultivation. 



Yucca gloriosa plicata Carr. 

 Yucca gloriosa recuriifolia Engelm. 



Washingtonia Wendl. (1879), uot of Winslow (1854) nor of Carr. (1867). 



