314 PROCEEDINGS OF THE ACADEMY OF [1898. 



Hordeum jubatum Pursh, Fl. 89. 



March 13, 1806. Fort Clatsop. 



July 12, 1806. White Bear Islands of L. & C, still so called, 

 in the Missouri near mouth of Sun River, above the Great Falls, 

 adjoining city of Great Falls, Cascade Co., Montana. 



Festuca ovina L. var. 



June 10, 1806. See under Aira brevifolia. 

 Agropyron divergens Nees. Festuca spicata Pursh, Fl. 83. 



June 10, 1806. As last. 

 Koeleria cristata Pers. Pursh, Fl. 85. 



June 10, 1806. As last. All the grasses of this date reported 

 as from " Plains of the Columbia," where none of them were col- 

 lected. 



Stipa spartea Trin. S.juncea Pursh, Fl. 72, nee L. (S. comata Trin., fide Scribner). 



July 8, 1806. East base of Continental Divide, in Lewis and 

 Clark Co., Montana, about headwaters of north fork of Dearborn 

 River and of Sun River. 



Zizania aquatica L. 



No. 59. September 8th, year not said. If 1804, on the Missouri 

 near Fort Randall, South Dakota. If 1 805, in the Bitter-root Valley, 

 Montana. If 1806, on the lower Missouri between the Council Bluff 

 and the mouth of the Platte. 



Spartina gracilis Trin. ? 



(No label.) 

 Pinus ponderosa Dougl. 



October 1, 1805. In Canoe Camp, on the main Kooskooskee, at 

 the mouth of its north fork, or Chopunnish River of L. & C. 



Juniperus communis L. 



October 17, 1801/.. On the Missouri, a little below Cannonball 

 River — same place as Psoralea argophylla. 



Juniperus ocoidentalis Hook. J. excelsa Pursh, Fl. 647. 



October 2, 1801^. In the Little or Lookout Bend of the Missouri, 

 at or near mouth of Big Cheyenne River. 



Juniperus sahina procumbens Pursh, Fl. 647. 



October 16, 1801/. On the Missouri at or near Fort Yates, North 

 Dakota. This is far from being " within the Rocky Mountains," 

 Pursh. 



