

128 BOTANY OF THE DEATH VALLEY EXPEDITION. 



Pluchea sericea (Nutt.) PL Gamb. 178 (1848), under Poly pappus. Type locality, 

 "Rocky Mountains of Upper California." 



Furnace Creek Canon (No. 221). This plant lias passed under the name Tcssaria 

 horealis and later that of Pluchea borcalis. The former name was printed twice : with- 

 out description, and was first formally published 1 in 1852. 



The plant is abundant about the springs in Death Valley, as at Bennett Wells, 

 Furnace Creek (No. 221), Eagle Borax Works, Tnle Wells, and Saratoga Springs; and 

 occurs frequently, often in great abundance, at other points, such as Resting Springs, 

 Ash Meadows, the springs of Vegas Ranch, and the Vegas Wash. Dr. Merriam found 

 it at a few points aloug the Muddy, Virgin, and Santa Clara rivers, Utah. 



Stylocline micropoides Gray, PI. Wright, ii. 84 (1853). Type locality, "hills 

 near Frontera, New Mexico." 



Panamint Mountains (No. 640), Panamint Valley (No. 673), and valley of the Vir- 

 gin River (No. 1914). 



Filago califotnica Nutt. Trans. Amer. Phil. Soc. now ser. vii. 405 (1841). Typo 

 locality, "near St. Barbara, Upper California." 

 Johnson Canon, Panamint Mountains (No. 489). 



Antennaria alpina (L.) Sp. PI. ii. 856 (1753), under Gnaphalium; Gaertn. Fruct, 

 ii. 410 (1791). Type locality European. 

 Near Farewell Gap, Sierra Nevada (No. 2160). 



Antennaria dioica (L.) Sp. PI. ii. 850 (1753), under Gnaphalium; Gaertn. Fruct. ii. 

 410 (1791). Type locality European. 



Near Whitney Meadows (No. 1658). 



Gnaphalium palustre Nutt. Trans. Amer. Phil. Soc. new ser. vii. 403 (1841). 

 Typo localities, "Rocky Mountains, Oregon, California and Chili." 

 Near Three Rivers (No. 1292). 



Iva axillaris Pursh, Fl. ii. 743 (1814). Type locality, "in Upper Louisiana." 

 Seen only in Willow Creek Canon, Panamint Mountains (No. 832); at Canebrake 

 Ranch, on the west slope of Walker Pass; and at Havilah. 



Oxytenia acerosa Nutt. PL Gamb. 172 (1848). Type locality, "Rocky Mountains, 

 near Upper California." 



Specimens of this plant were seen in winter on the alkaline clay mesa between 

 Amargosa and Resting Springs, and on a bank of similar material about one-half 

 mile southwest of Watkins's honse at Ash Meadows. The former station is in Cali- 

 fornia, the latter just across the line in Nevada. 



Dicoria canescens Gray, Bot. Mex. Bound. 87 (1859). Type locality, "in the 

 sandy desert of the Gila and of the Colorado." 



Near Saratoga Springs (No. 247). The generic name was first printed, 5 without 

 description, as Dicoris. 



The vegetation of dry heaps of drifting sand in the desert is very scanty, for but 

 few plants can live in such places. One of them is the present species, and even it 

 was found in only three places, along the Mohave Paver at Daggett, near Saratoga 

 Springs (No. 247), and in Owens Valley at the mouth of the first canon on the road 

 from Keeler to Darwin. 



Hymenoclea salsola Torr. & Gr. in Gray, PI. Fendl. 79 (1849). Type locality, 

 "sandy, saline uplands near the Mohave River, in the interior desert of California." 



' Torr. in Emory, Rep. 142 (1818) ; and Gray, PI. Fendl. 75 (1849). 

 •Gray, PI. Wright, i. 102 (1852). 

 'Emory, Rep. 143 (1848), 



