

144 BOTANY OF THE DEATH VALLEY EXPEDITION. 



Agoseris grandiflora (Nutt.) Trans. Amer. Phil. Soc. new ser. vii. 432 (1841), under 

 Stylopappus; Greene, Pittonia, ii. 178 (1891). Type locality, "high plains of the 

 Wahlaniet," i. o., the Willamette River, in Oregon. 



Valley of Kaweah River (No. 1356). 



Agoseris ret rorsa (Benth.) PI. Hartw. 320 (1849), under j\fa&'orhynchu8; Greene, 

 Pittonia, ii. 178 (1891). Type locality, "in moutibus Sacramento," 

 Near Mineral King, Sierra Nevada (No. 1393). 



Calycoseris parryi Gray, Bot. Mex. Bound. 106 (1859). Type locality, "moun- 

 tains east of Monterey, California." 



In Johnson Canon, Panamint Mountains (No. 529), and Shepherd Canon, Argus 

 Mouutains (No. 731). 



Calycoseris wrightii Gray, PI. Wright, ii. 104 (1853). Typo locality, "stony 

 hills around El Paso," Texas. 



In Johnson (No. 592) and Surprise (No. 603) canons, Panamint Mountains. The 

 heads of this species are described us rose-colored, but in our specimens the back of 

 the lignle, in the dry plant, is of a maroon color, while the inner surface is yellow. 

 The achenia are not yet mature. Our plant is identical with those collected by Ed- 

 ward Palmer in southern Utah, in 1870, and referred here by Gray. 



Glyptopleura setulosa Gray, Proc. Amer. Acad. ix. 211 (1874). Type locality, 

 "near St. George, on the southern border of Utah." 

 In the Ralston Desert, Nevada (No. 1999). 



Sonchus asper (L.) Sp. PI. ii. 794 (1753), as S.olcracens asper; All. IT. Ped. i. 222 

 (1785). Type locality European. 



Scattered plants of this weed, the sow thistle, occurred at Furnace Creek Ranch; 

 in Johnson (Xo. 551), Surprise, and Willow Creek canons, Panamint Mountains, and 

 in Tehachapi Valley. 



Lygodesmia exigua Gray, PI. Wright, ii. 105 (1853), under 1'rcnanthes; Gray, 

 Proc. Amer. Acad. ix. 217 (1874). Type locality, "stony bills above El Paso," Texas. 



Bentham and Hooker were the first to point out 1 that this plant was apparently a 

 Lygodexmia. 



It was found in Surprise and Mill Creek canons, Panamint Mountains ; at the mouth 

 of Hall Canon, in the same range (No. 667); and near Swansea, Owens Valley. 



Ptiloria exigua (Nutt.) Trans. Amer. Phil. Soc. new Fer. vii. 428 (1841), under 

 Stephanomeria; Greene, Pittonia, ii. 132 (1890). Type locality, "on the Rocky Moun- 

 tain plains, towards the Colorado." 



Collected only in the San Bernardino Valley (No. 38). A Ptiloria supposed to be 

 /'. exigua was seen throughout the desert, more commonly in the upper altitudes of 

 the Lower Sonoran zone. 



Ptiloria parryi (Gray) Proc. Amer. Acad. xix. 61 (1883), under Stephanomeria. 

 Type locality,* " near St. George, S. Utah." 

 Mill Creek canon, Panamint Mountains (No. 755). 



Ptiloria pentachaeta (Eaton) Bot. King Surv. 199 (1871), under Stephanomeria; 

 Greene, Pittonia, ii. 133 (1890). Type locality, "Truckee and Humboldt Valleys 

 [Nevada] ; 4,500 feet elevation." 



In Cottonwood canon, Panamint mountains (No. 967), and in tho Ralston Desert, 

 Nevada (No. 1998). The bristly teeth on the basal portion of the pappus-bristles in 

 this species and S. exigua 3 show the rudiments or the remnants of accessory bristles 

 such as are fully developed in Chatadclpha wheeleri.* 



'Gen. IT. ii. 530 (1873). 



s Gray, Syn. IT. i pt. ii. 413 (1884). 



3 Both illustrated in Bot. King Surv. pi. xx. (1871). 



••Illustrated in Bot. Wheeler Surv. pi. xv. (1878). 



