242 CONTKIBUTIONS FROM THE NATIOISTAL HERBARIUM. 



Range: Washington to California, Nebraska, and Manitoba. Atlantifsearoast. Europe. 



Specimens examined: Prosser, Cation 889. 



Evidently introduced, and said to be spreading rapidly. 



2. Atriplex patula littoralis Gray, Man. ed. 5. 409. 1867. 

 Atriplex liituralis L. Sp. PI. 2: 1054. 1753. 



Type locality: "Habitat in Europae septentrionalis littoribus maris." 

 Range: Seacoasts of North America, Europe, and Asia. Great Lakes. 

 Specimens examined: Port Angeles, Piper, September, 1895: Shoalwater Bay, Ileii- 

 derson, August, 1885: Seattle, Piper in 1887. 

 Zonal distribution: Humid Transition. 



3. Atriplex zosteraefolia (Hook.) S. Wats. Proc. Am. Acad. 9: 109. 1874. 

 ChetwjKKliumf zosteratfolium Hook. Fl. Bor. Am. 2: 127. 18.38. 



Type locality: "N. W. G. of America. Menzies. Columbia and Straits oi D(> Fuca." 

 Dr. Scouler. 



Specimens examined: Straits of De Fuca [Wash.?], Scouler. 



This peculiar species is known only from the t}^pe collections. Its rediscovery would be 

 of much interest. 



4. Atriplex argentea Nutt. Gen. 1: 198. 1818. 



Type locality: "On sterile and saline plains near the Missouri." Collected l)y Nuttall. 

 Range: Washington to Minnesota, southward to Colorado and Utah. 

 Specimens examined: Alma, Elmer 31; Ellensburg, Piper, July 9, 1897; Yakima City, 

 Piper 2753; Egbert Springs, Sandbercj d' Leiberg 372; Waitsburg, Homer 419. 

 Zonal distribution : Upper Sonoran. 



5. Atriplex nuttallii S. W^ats. Proc. Am. Acad. 9: 116. 1874. 



Atriplex canescens Nutt. Gen. 1: 197. 1818, not Atriplex canescens (Pursh, 1814) James. 

 Type locality: "On the denudated saline hills of the Missouri, commencing about 15 

 miles below the confluence of White River, and continuing to the mountains." 

 Range: Washington and Alberta to Nevada and Colorado. 

 Specimens e.xamined: Egbert Springs, Sandberg cfc Leiberg 349. 

 Zonal distribution: Upper Sonoran. 



CHENOPODIUM. Goosefoot. 



Calyx fleshy and red in fruit 5. C. riihrum. 



Calyx dry in frait. 



Pericarp loosely attached to the seed ; leaves entire 4. C. leptophyllum. 



Pericarp firmly attached to the seed; leaves dentate. 



Herbage glandular-pubescent 3.6'. bvlnjst 



Herbage not glandular. 



Leaves mealy beneath 1. C album. 



Leaves glabrous 2. C. hybridum. 



1. Chenopodium. album L. Sp. PI. 1: 219. 1753. Lamb's quarters. 



Type locality: European. 



Specimens examined: Skamania County, Suksdorf 2055; Wilson Creek, Lake <& Hull, 

 August 6, 1892; Sandberg cfc Leiberg 257; Pullman, Piper, July 29, 1894; Hardwick, 

 July 31, 1895. 



la. Chenopodium album viride (L.) Moq. in DC. Prod. 13-: 71. 1849. 

 Chenopodium vinde L. Sp. PI. 1: 219. 17.53. 

 Type locality: European. 

 Specimens examined: Klickitat County, Suksdorf Li9\, 669; Wawawai, Piper 3.584. 



