GENUS /. 



GOOSEFOOT FAMILY 



4. Atriplex arenaria Xutt. Sea-beach 

 Atriplex. Fig. 1700. 



Atriplex arenaria Xutt. Gen. i : 198. 1818. 



Annual, pale, densely silvery-scurfy; stem 

 bushy-branched, 6'-i8' high, the branches ascend- 

 ing or decumbent, angular, slender. Leaves 

 oblong, entire, acute or obtuse and mucronulate 

 at the apex, narrowed or rounded at the base, 

 very short-petioled or sessile, i'-ii' long, 2\"- 

 10" wide, the midvein rather prominent, the 

 lateral veins few and obscure; flowers in axillary 

 clusters much shorter than the leaves ; fruiting 

 bractlets triangular wedge-shaped, broadest 

 above, 2"-$" wide, united nearly to the several- 

 toothed summits, their margins entire, their sides 

 reticulated, or sometimes crested or tubercled; 

 radicle of the embryo pointing downward. 



On sandy sea beaches, Massachusetts to Florida. 

 July-Sept. 



5. Atriplex Nuttallii S. Wats. Nuttall's 

 Atriplex. Fig. 1701. 



A. Nuttallii S. Wats. Proc. Am. Acad. 9: 116. 1874. 



A finely scurfy pale green shrub, i-2i tall, 

 the branches erect or ascending, rather stiff, 

 striate or terete, leafy, the bark nearly white. 

 Leaves oblong, linear-oblong or oblanceolate, 

 obtuse or subacute at the apex, narrowed at the 

 base, sessile, entire, -2' long, 2"-$" wide ; 

 flowers in terminal spikes and capitate clustered 

 in the axils, often strictly dioecious; fruiting 

 bractlets ovate or suborbicular, united to above 

 the middle, i*"-2i" broad, the margins toothed, 

 the sides crested, tubercled or spiny. 



In dry or saline soil, Manitoba to Saskatchewan, 

 south to Nebraska, Colorado and Nevada. Aug.-Oct. 



6. Atriplex canescens (Pursh) James. 

 Bushy Atriplex. Fig. 1702. 



Calligonum canescens Pursh, Fl. Am. Sept. 370. 



1814. 

 Atriplex canescens James, Trans. Am. Phil. Soc. 



(II.) 2: 178. 1825. 



A pale densely scurfy shrub, i-3 high, re- 

 sembling the preceding species and with simi- 

 lar foliage. Flowers in short terminal spikes 

 and in axillary clusters, commonly dioecious, 

 sometimes monoecious ; bractlets ovate in flower, 

 united nearly to their summits ; in fruit appen- 

 daged by 4 broad thin distinct wings, which are 

 2"-4" broad at the middle and usually about 

 twice as high, strongly reticulate-veined, not 

 tubercled nor crested, toothed near their summits 

 or entire. 



In dry or saline soil. South Dakota to Kansas, 

 Texas, New Mexico and Mexico, west to Oregon and 

 California. Sage-brush. Cenizo. July-Sept. 



8. EUROTIA Adans. Fam. PI. 2 : 260. 1763. 



Pubescent perennial herbs or low shrubs, with alternate entire narrow leaves and monoe- 

 cious or dioecious flowers, capitate or spicate in the axils. Staminate flowers not bracteolate, 

 consisting of a 4-parted calyx and as many exserted stamens. Pistillate flowers 2-bracteolate, 

 the bractlets united nearly or quite to their summits, densely covered with long silky hairs, 

 2-horned ; calyx none ; ovary ovoid, sessile, pubescent ; styles 2, exserted. Seed vertical ; 



