CATALOGUE OF FOREST TREES. 219 



THE JOSHUA. JOSHUA TKEE. 



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



A tree 6 to 12 meters in height, with a trunk O.GO to 0.90 meter in diameter; dry, gravelly soil, forming 

 upon the Mobave 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 data, Engelmann, 

 Coulter's Bot. Gazette, vii, 17. 



Y. angustifolia, var. radiosa, Engelmaun in King's Rep. V, 496. 



T. angustifolia, var. elata, Engelmann in Trans. St. Louis Acad, iii, 50 ; Wheeler's Eep. vi, 270. 



SPANISH BAYONET. 



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



A small tree, 3 to 5 meters in height, with a trunk 0.20 to 0.25 meter 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' Kep. 29. Cooper in Smithsonian Eep. 1838, 2G6. Baker in London Gard. Chronicle, 1870, 923. 

 Andr6 in 111. Hort. 3 ser. xx, 23, 1. 115. Gray, Hall's PI. Texas, 23. Engelmann in Trans. St. Louis Acad, iii, 44 ; King's Eep. v, 49G ; 

 Wheeler's Eep. vi,270. Loew in Wheeler's Eep. iii, 609. Eothrock in Wheeler's Eep. vi,52. Watson, Bot. California, ii, 164. 



Y, filamentosa, ? Wood in Proc. Philadelphia Acad. 1H68, 167 [not Torrey]. 



SPANISH BAYONET. MEXICAN BANANA. 



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

 county, California; southward into northern Mexico. 



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

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

 (Eavard). 



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



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



prepared by macerating the leaves in water, is manufactured '^' > '-'!>e by ilit 



