CATALOGUE OF FOREST TREES. 219 



THK JOSHUA. .TO.S1IUA TREE. 



Southwestern Utah, northwestern Arizona to southern Nevada, and the valley of the Mohave river, California. 



A tree G to 12 meters in height, with a trunk 0.60 to O.!)0 meter in diameter; dry, gravelly soil, forming 

 upon the Mohave desert at 2,500 feet elevation an open, straggling forest. 



Wood light, soft, spongy, difficult to work; color, very light brown or nearly white; specific gravity, 0.3737; 

 ash, 4.00; occasionally manufactured into paper-pulp. 



411. Yucca elata, Eugeluiaim, 

 Coulter's Bot. Gazette, vii, 17. 



Y. angustifolia, var. radiosa, Engelmanu in King's Rep. v,49t>. 



Y. anguslifolia, var. elata, Engelmann in Trans. St. Louis Acad. iii,50; Wheeler's Rep. vi, 270. 



SPANISH BAYONET. 



Western Texas to southern Arizona and Utah; southward into Mexico. 



A small tree, 3 to 5 meters in height, Vith a trunk 0.20 to 0.25 ineter in diameter; dry, gravelly mesas. 



Wood light, soft, spongy; color, light brown or yellow ; specific gravity, 0.4470; ash, 9.28. 



412. Yucca baccata, Torrey, 



Bot. Mex. Boundary Survey, 221 ; Ives' Rep. 29. Cooper in Sinit hsouiau Rep. 1858, 266. Baker in London Gard. Chronicle, 1870, 923. 

 Andre' in 111. Hort. 3 ser. xx,23, 1. 115. Gray, Hall's PI. Texas, 23. Eiigelmann in Trans. St. Louis Acad. iii, 44; King's Rep. v, 49G ; 

 Wheeler's Rep. vi, 270. Loew in Wheelers Rep. Hi, 609. Rothrock in Wheeler's Rep. vi,. r >2. Watson, Bot. California, ii, 104. 



Y. filameiltosa, ? Wood in Proc. Philadelphia Acad. 1*68, 167 [not Torrey]. 



SPANISH BAYONET. MEXICAN BANANA. 



Western Texas, south of latitude 32 N., west through New Mexico to southern Colorado and San Diego 

 county, California; southward into northern Mexico. 



A tree 7 to 12 meters in height, with a trunk O.CO meter in diameter, or often much smaller, and toward the 

 northern limits of its range steiuless; forming upon the plains of Presidio county, Texas, extensive open forests 

 (Havard). 



Wood light, soft, spongy, difficult to work ; color, light brown ; specific gravity, 0.4470 ; ash, 9.28. 



The large juicy fruit edible and an important article of food to Mexicans and Indians; a strong coarse fiber, 

 prepared by macerating the leaves in water, is manufactured into rope by the Mexicans. 



