312 PROCEEDINGS OF THE ACADEMY OF [1898. 



Populus monilifera Ait. P. angulata Pursk, Fl. 619, nee Willd. 



August — ,1806. Somewhere on the Missouri; location not 

 determinable. 



Populus trichocarpa T. and G. 



j une _ 2806. " Cotton tree of the Columbia." But L. & C. 

 were not on the Columbia in any part of June, 1806, the whole of 

 which month they spent either at Camp Chopunnish or on the Lo 

 Lo Trail iu Idaho. While they were low down on the Columbia 

 they mentioned this species twice, March 25 and 27, 1806 ; see my 

 edition, p. 908 and p. 911, where P. trichocarpa is correctly given. 



Calypso borealis Salisb. Pursh, Fl. 593. 



June 16, 1806. Hungry Creek, as said. 



Iris missouriensis Nutt. I, sibirica Pursh, Fl. 30, nee Wild. 



July 5, 1806. Prairie of the Knobs, on the Big Blackfoot River. 



Allium sp. (Perhaps in part A. angulosum Pursh, Fl. 223. It may be A. reticula- 



tum.) 



April 30, 1806. Neither of the three botanists concerned in this 

 case seem to know what sort of an onion it is. All I know about 

 it is, that if it was collected at the date said, it was not collected "on 

 the waters of the Kooskooskee," as said ; for on April 30, 1806, L. 

 & C. were on the Wallawalla in the vicinity of Touchet River. 



Brodiaea douglasi Wats. B. grandifiora Pursh, Fl. 223, nee Smith. 



April 20, 1806. Great Falls of the Columbia, near Celilo. Mr. 

 Meehan speaks of this as the " hyacinth of Colorado Plains," by slip 

 of the pen for Columbia Plains. The passage of L. & C. which 

 he cites as from the Journal of April 16th, occurs in the meteoro- 

 logical register of that date, p. 1295 of my edition. Mr. Knowlton 

 imagined this hyacinth, as mentioned by L. & C. on April 16th, to 

 be quamash, and so it stands Camassia esculenta on p. 952 of my 

 edition, by egregious error. 



Calochortus elegans Pursh, Fl. 240. 



May 17, 1806. Camp Chopunnish. 



Camassia esculenta Lindl. Phalangium quamash Pursh, Fl. 226. 



June 23, 1806. Quamash flats on the Lo Lo Trail. Pursh is 

 far out with his " upper part of the Missouri " as the location of this 

 specimen. In citing the Journal of June 29, 1806, for the blooming 

 of this species, Mr. Meehan means the meteorological register 

 of that date, p. 1297 of my edition. It should be particularly noted 



