Ambrosia artemisiifolia, L. Sept. 26th, 1869, Humboldt Pass near Woon Spring A. psilostachya DC., Aug. 20th, 1869 Jordan Valley Dra axillaris, Ph. Camp 12. (34) W.M. Throckmorton July 26th, 1867 June 5th, 1868 Unimiller canyon Sept. 25th, 1869 Willow Camp, above river [?] Valley July 12th, 1869 American Fork below valley Mystitia mollis, or amplexicaulis, Shatt June 25th, 1868 Cambridge canyon July 24th, 1869 Camp Ruby. June 26th, 1869 Ruby's Rock Camp Balsamorrhiza hookeri, Shatt, 4117 By foothills near Corona May 16th, 1868 Trinity. 900' canyon to Park 6,500 " 30' " " Foothills B. hispida, Nutt. June 2nd, 1869 Archuleta bluffs, armit bridge 5,500 ft. 2 B. macrophylla, Nutt May 19th, 1869 City Creek canyon " 27th " " " June 26th " " Ruby's Park Camp July 17th " " " " 17th " " " B. angustata, Nutt 4116 Foothills near Corona Al. kelp May 27th, 1868 Trinity Pass - above Willow canyon 6,000 June 23rd " " Shaldrip Pines - Arvada Peak 5,500 July 26th " " Above Camp Ruby 7,000 May 17th, 1869 Foothills near Camp Douglas 5,000