68 NORTH AMERICAN FLORA [VoLUME 21 
durate, the free portion orbicular-rhombic or broadly ovate-rhombic, longer and wider than 
the free portion, 5-8 mm. wide, green, coarsely dentate, the teeth acute or obtuse, the apex 
acute or obtuse, the sides sparsely muricate and often irregularly cristate, densely furfuraceous; 
seed 2 mm. broad, reddish-brown. 
Type collected on dry hills near Farmington, New Mexico, altitude 1550-1650 meters, July 
19, 1911, Paul C. Standley 7066 (U.S. Nat. Herb. no. 686069). 
91. Atriplex Pringlei Standley, sp. nov. 
Perennial, suffrutescent at the base, much branched throughout, the branches stout, 
terete, densely white-furfuraceous, prostrate or ascending, 2-3 dm. long; lower leaves opposite, 
the upper alternate, subsessile or mostly short-petiolate, the blades obovate to obovate- 
oblong, 1.5-3 cm. long, 5-8 mm. wide, entire, rounded at the apex, cuneate or attenuate at the 
base, firm, densely and coarsely white-furfuraceous; flowers dioecious, the staminate glomerules 
in stout, dense or interrupted, naked or sparsely leafy, paniculate or simple spikes, the pistillate 
flowers in few-flowered axillary glomerules; calyx 5-cleft, densely white-furfuraceous; fruiting 
bracts on stout pedicels 2 mm. long, rounded-ovate to nearly orbicular, 8-10 mm. long and 
nearly as broad, united to the apex, indurate, not compressed, the margins deeply and irregu- 
larly dentate or laciniate, the apical tooth oblong, acutish, the sides with few or numerous flat 
appendages or crests, these very irregular; seed filling the cavity, 2 mm. long, reddish-brown, 
the radicle superior. 
Type collected on alkaline plains, Hacienda de Angostura, San Luis Potosi, Mexico, July 15, 
1891, C. G. Pringle 3775 (U.S. Nat. Herb. no. 48298). 
92. Atriplex oblanceolata Rydb. Bull. Torrey Club 31: 403. 1904. 
Perennial, 2-2.5 dm. high, suffrutescent at the base and much branched, the branches 
decumbent, stout, densely furfuraceous; leaves numerous, alternate, often with axillary 
fascicles of smaller ones, sessile or on petioles 8 mm. long or less, the blades oblong, oval, 
or spatulate-obovate, 2-4.5 cm. long, 7-15 mm. wide, obtuse or rounded at the apex, or 
the uppermost acute, cuneate at the base, rather thin, entire, densely whitish-furfuraceous; 
flowers dioecious, the staminate brown, in large glomerules, these in interrupted naked 
paniculate spikes, the pistillate flowers in small axillary clusters, forming simple or paniculate, 
leafy or nearly naked spikes; calyx 5-parted; fruiting bracts rounded-ovate, 5—7 mm. long and 
about as wide, united to the middle, sessile, thick, not compressed, coarsely dentate or denticu- 
late, tuberculate and irregularly crested on the sides, densely furfuraceous; seed 1.5-2 mm. 
long, pale-brown, the radicle superior. 
TyvPE LocaLtry: Delta, Colorado. 
DistrR1BuTIon: Alkaline plains, southern Montana to northwestern Colorado. 
93. Atriplex falcata (M. E. Jones) Standley sp. nov. 
Atriplex Nuttallii falcata M. E. Jones, Contr. West. Bot. 11: 19. 1903. 
Atriplex Nuittallii anomala M. E. Jones, Contr. West. Bot. 11:19. 1903. 
Erect perennial, 2-5 dm. high, suffrutescent at the base and much branched, the stems 
terete, stout, erect or decumbent, mostly simple below, sparsely branched above, the branches 
erect or strongly ascending, pale, furfuraceous; leaves numerous, alternate, sessile or subsessile, 
the blades narrowly oblong to linear, 1.5-5 cm. long, 2-7 mm. wide, rounded at the apex or 
the upper blades acutish, narrowly or broadly cuneate at the base, entire, rather thick and firm, 
grayish-green, closely furfuraceous; flowers dioecious, the small yellow staminate glomerules 
sessile in the axils of the upper leaves and also in stout, interrupted, naked, simple or panicu- 
late, terminal spikes, the pistillate flowers in dense few-flowered axillary glomerules, or 
the glomertles forming naked interrupted paniculate spikes; calyx 5-cleft; fruiting bracts lan- 
ceolate, narrowly oblong, or ovate, 5-8 mm. long, subsessile or some of them often on slender 
petioles 2-10 mm. long, united almost to the apex, the margins entire, or sparsely denticulate 
at the apex, the apex acuminate or attenuate, green, the sides copiously muricate or tuber- 
culate below or smooth. 
TYPE LOCALITY: Weiser, Idaho. 
DistrRiBution: Plains and hillsides, southeastern Washington to northern Utah and central 
Nevada. 
ILLUSTRATION: Bull. U. S. Dep. Agr. Bot. 27: pl. 6, f. 2 (lowest row; as A. Nutialliz). 
