19' I.] TRELEASE— THE DESERT GROUP XOLIXE.^. 423 



leaf). San Gorgonio Pass (Engcljiiaiui. 1880). San Bernardino 

 Mountains (Parish, 1879: pio, 1882; ^143, 3163, 1894). San Felipe 

 {Brandcgce, 1894). Pala (Orcittt). San Jacinto ^Mountains (Hall, 

 i8ig, 2432, 1901). Arizona. Fort Whipple (Cones & Palmer, 

 1865). Between Sandy and Bill Williams Forks (Mrs. Stephens, 

 1902). 



N. BiGELOVii Watson, Proc. Amer. Acad. 14: 247. 1879. 



Dasyliriou Bigeloiii Torrey, Bot. Whipple. 151. 1857; Bot. Mex. 

 Bound. 216. 1859. 



Bcancarnea Bigelovii Baker, Journ. Bot. 10: 326. 1872. 



Trunk 1-2 m. high. Leaves almost pungent, scarcely concave 

 or keeled, 15-25 mm. wide, often roughened on the surface, the at 

 first rough margin shredding away in brown fibers. 

 Inflorescence with rather narrow divisions 15-30 cm. 

 long and branchlets scarcely 4 cm. long. Perianth 

 segments about 3 mm. long. Fruit large, orbicular, 

 deeplv notched at both ends, usually 10-12 mm. but occasionally 15 

 mm. in diameter. Seed 3X4 mm. 



Western Arizona, across the Colorado desert, and into Lower 

 California. In the region of A'. Parryi and overlapping the ranges 

 of N. Paliiicri and N. Bcldhigi. A sketchy picture of it, in the 

 Tinajas Altas, is given by Schott in Emory, Rept. Bound. Surv. 

 I. pi 59. 



Specimens examined: Arizona. Bill Williams Fork (Bigeloz^.', 

 1853-4. — the type of D. Bigelovii). Union Pass (Palmer, 1870). 

 Havasupai Canon (Kiiiner, 1900). Gold Road (Mrs. Stephens, 

 1902). Little ]\Ieadows (Mrs. Stephens, 1902). California. 

 [Mountain Springs, near the boundary {Parish, 1880; J\isey, 1880; 

 Mearns, 2980, 3013, 3066, 3146, 1894). Lower California. Can- 

 tillas Canon (Orciitt, July 8, 1884). Yubay (Brandcgce, 1889).— 

 Boundary Line. Tule (Mearns, 320, 1894).— Sonora. (?Schott, 

 1 44 1. — with fruit scarcely 8 mm. in diameter.) 



Leaves rather thin, sometimes shredded at tip. Pedicels nearl.v or quite 

 equaling the fruit. 



