242 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Range: Washington to California, Nebraska, and Manitoba. Atlantic seacoast. Europe. 



Specimens examined: Prosser, Cotton 889. 



Evidently introduced, and said to be spreading rapidly. 



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

 Atriplex littoralis L. Sp. PI. 2: 1054. 1753. " • 

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

 Range: Seacoasts of North America, Europe, and Asia. Gi-eat Ijakes. 



Specimens exa.mineo: Port Angeles, Piper, September, 1895; Shoalwatcr Bay, Ileri- 

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

 Zonal distribution: Humid Transition. 



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

 Chenopodiuin? zosteraefolium Hook. Fl. Bor. Am. 2: 127. 1838. 



TiPE locality: "N. W. C. of America. Memies. Columbia and Straits of De Fuca." 

 Dr. Scouler. 



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



This peculiar species is known only from the type 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 by Nuttall. 

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

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

 Piper 275.'i; Egbert Springs, Sandberg cfc Leiberg 372; Waitsbui-g, Homer 419. 

 Zonal distribution : Upper Sonoran. 



6. Atriplex nuttallii S. Wats. 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 examined: Egl)ert Springs, Sandberg cfc Leiberg 349. 



Zonal distribution: Upper Sonoran. 



CHENOPODIITM. Goosepoot. 



Calyx fleshy and red in fruit 5. O. rubrum. 



Calyx dry in fruit. 



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



Pericarp firmly attached to the seed; leaves dentate. 



Herbage glandular-pubescent 3. C. hotrytt 



Herbage not glandular. 



Leaves mealy beneath 1. C. album. 



Leaves glabrous 2. C. hybridum. 



1. Chenopodiuta 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. IS^: 71. 1849. 

 Chenopodium viride L. Sp. PI. 1 : 219. 1753. 

 Type locality: European. 

 Specimens examined: Klickitat County, Suksdorf 1391 , 669; Wawawai, Piper 3584. 



