304 PROCEEDINGS OF THE ACADEMY OF [1898. 



stand L. & C. to have been mistaken. While at Quamash Flats, 

 June 10, 1806, L. & C. speak of "the honeysuckle bearing a white 

 berry," which Mr. Knowlton supposed to be Symphoricarpos race- 

 mosus, and so I used the name on p. 1041 of my edition. 



Lonicera involucrata Banks. 



September 2, 1805. " On the waters of the Columbia " does not 

 mean the river itself of that name, but its general watershed. On 

 this date L. & C. were on their Fish Creek, which is the north fork 

 of Salmon River, in Lemhi Co., Idaho. 



July 7, 1806. Sources of Big Blackfoot River, near Lewis and 

 Clark's Pass, in Deer Lodge Co., Montana. 



Achillea millefolium L. A. tomentosa Pursh, Fl. 563, nee Willd. 

 May 20, 1806. Camp Chopunnish. 



Aplopappus spinulosus DC. Amellus spinulosis Pursh, Fl. 564. 



September 15, 180^. On the Missouri, passing mouth of White 

 River, Lyman Co., South Dakota. 



(What has become of the big H with which the name of this 

 genus ought to begin ? Botanists should not tolerate such a Cock- 

 neyism as "Aplopappus." No one can aspire to grammatical pro- 

 priety without an aspirate.) 



Aplopappus sp. 



October — , 1805. L. & C. reached the Columbia itself on the 

 16th, and were on it the rest of the month; prior to that date in 

 October, 1805, they were on the Kooskooskee and Snake Rivers. 



Artemisia cana Pursh, Fl. 521. 



October 1, 1804- In Lookout Bend of the Missouri of L. & C, 

 now called the Little Bend, passing mouth of Big Cheyenne River. 



October 2, 1801/.. A few miles further up the Missouri — practi- 

 cally the same locality as the last. 



Artemisia draounculoides Pursh. A. dracunculus Pursh, Fl. 521, nee L. 



September 15, 180J.. On the Missouri, passing mouth of White 

 River, Lyman Co., South Dakota. 



Artemisia frigida Willd. Pursh, Fl. 521. 



September 2, I8O4. On the Missouri at Bonhomme Island, Bon- 

 homme, South Dakota. 



October 3, 1801/.. On the Missouri, two days above Big Cheyenne 

 River, nearing Little Cheyenne River. 



