A. NTJTTALLI. 325 



(UC) ; Mancos, southern Colorado, Baker, Earle, and Tracy 420 (Gr, UC) ; near Farming- 

 ton, San Juan County, New Mexico, Standley 7066 (US, type of A. neo-mexicana Stand- 

 ley, minor variation 10) ; 5 and 8 km. south of Shiprock Station, San Juan County, New 

 Mexico, Hall 11143, 11144 (CI, UC); dry hills near Shiprock, New Mexico, Standley 

 7278 (US); type collection, 2,140 m. altitude, June 16, 1894, Jones 5443 (R, NY, UC); 

 same locality and date, Jones 5445r (US); just south of Green River Station, Utah, 

 abundant, HaU 11036 (UC). 



Leaves of Atnplex nuttalli: a, b, subspecies cuneata from 

 Shiprock, New Mexico (686245 US) ; c, d, subspecies buri- 

 folia from Sheep Creek, Wyoming (393362 US). AU X 1. 



38e. Atriplex nuttalli buxifolia (Rydberg). — Stems erect or ascending from a 

 decumbent, very woody base; leaves elliptic, obtuse, 2 cm. or less long, 0.5 to 0.8 cm. wide, 

 abruptly narrowed to an obtuse sessile base; fruiting bracts ovate or globoid in outline, 

 sessile or nearly so, 4 to 5 mm. long, irregularly toothed at summit, the sides with con- 

 spicuous crest-like appendages which are more or less flattened or these appendages 

 wanting (fig. 45, c, d). {A. buxifolia Rydberg, Bull. Torr. Club 39: 311, 1912.) Dry 

 plains of eastern Wyoming. Type locality, Dayton, Sheridan County, Wyoming. Col- 

 lections: Type collection, 1,220 m. altitude, September, 1899, Tweedy 2456 (NY); Sheep 

 Creek, Wyoming, August 21, 1899, Schuchert (US). 



38/. Atriplex nuttalli falcata (Jones). — Stems erect or ascending from a decum- 

 bent base, the woody portion very short; leaves linear-spatulate or rarely oblong-spatu- 

 late, commonly more or less falcate, 2 to 4 cm. long, 0.2 to 0.7 cm. wide, tapering to a 

 short petiole; fruiting bracts lanceolate or narrowly ovate in vertical section, forming an 

 approximately fusiform fruit, sometimes long-stalked but often sessile (even in the type 

 specimen), 4 to 6 mm. long exclusive of stalk (only 3 or 4 mm. broad), the free tips con- 

 spicuously elongated and beak-like (2 or 3 mm. long), the sides with few to numerous con- 

 spicuous sharp appendages, these slightly or not at 'all flattened, or the sides sometimes 

 smooth (in A. n. anomala Jones, minor variation 11). {A. nuttalli var. falcata Jones, 

 Contr. West. Bot. 11 : 19, 1903.) Northern part of the Great Basin; western Montana to 

 northern Utah (according to Jones), Nevada, northeastern California, eastern Washing- 

 ton, and Idaho. Type locality, Weiser, Idaho. Collections: Horse Valley, southwestern 

 Montana, Hall 11503, 11561 (UC); Dolly Varden Smelter, eastern Nevada, July 24, 

 1891, Jones (Herb. Jones, type of A. nuttalli anomala Jones, minor variation 11); Battle 

 Mountain, Elko County, Nevada, Kennedy 3074 (US); Winnemucca Lake, Nevada, 

 Kennedy 1974 (US, young and doubtful) ; 16 to 24 km. west of Amedee, Lassen County, 

 California, June 24, 1897, Jones (Herb. Jones); dry hillsides near Willow Creek Valley, 

 Lassen County, California, Davy 3402 (UC); near Beattys, Butte County, Oregon, 

 Leiberg 2611 (US); dry ground at the Narrows, Harney County, Oregon, Peck 1677 (Gr) ; 

 Powder River Valley, eastern Oregon, Cusick 1928 (Gr, US); near Egbert Springs, Doug- 

 las County, Washington, Sandberg and Leiberg S49 (Gr, NY, UC, US) ; type collection, 

 July 7, 1899, Jones (Herb. Jones) ; Antelope Valley, Idaho, Henderson 3635 (US) ; Twin 

 Falls and Shoshone Falls, Idaho, Nelson and Macbride 1351 (NY, UC, US); Pocatello, 

 Idaho, Palmer 407 (Gr, US); Leadore, Lemhi Valley, eastern Idaho, Hall 11506 (UC). 



