

B ■ 



CATALOGUE OF SPECIES. 127 



Erigeron concinnus (Hook. & Am.) Bot. Beech. 350 (1840-41), under Distaxis; 

 Torr. &■ Gr. Fl. ii. 174 (1841) . Type locality, " Snake River, below the Salmon Falls, 

 Snake country, 1 ' Idaho. 



About 30 kilometers x east of Panaca, Nevada (No. 1970). 



Erigeron coulteri Porter in Port. & Coult. Fl. Col. HI (1874). Type locality, 

 "Weston's Pass [Colorado], at 10,000 feet altitude." 

 Big Cottonwood Meadows, Sierra Nevada (No. 2112). 



Erigeron divergens Torr. & Gr. Fl. ii. 175 (1841). Type locality, "Rocky 

 Mountains, and plains of the interior of Oregon." 

 In Owens Valley (Nos. 1770, 2109). 



Erigeron salsuginosus (Richards.) Bot. App. 748 (1823), under Aster; Gray, 

 Proc. Amer. Acad. xvi. 93 (1880). Type locality, "on the salt plains in the Atha- 

 basca." 



Near Mineral King, Sierra Nevada (Nos. 1409, 1472). 



Erigeron trifidus Hook. Fl. Bor. Amer. ii. 17 (1834). Type locality, "barren 

 places among the Rocky Mountains." 



At an altitude of 400 meters above timber-line on Mount Whitney (No. 2000). This 

 plant has been collected heretofore only in the Rocky Mountains. Dr. Gray con- 

 sidered it a variety of E. compositus, but from all the specimens that I have been able 

 to see there appear to be no inter^rades. 



Erigeron uniflorus L. Sp. PI. ii. 864 (1753). Type locality European. 

 In the high Sierra Nevada (Nos. 1537, 1668). 



Conyza coulteri Gray, Proc. Amer. Acad. vii. 355 (1868). Type locality not 



given. Thomas Coulter's Nos. 285 and 286 are probably to be considered the types. 



At Winters's ranch, Pahrump Valley (No. 293), growing as a weed in irrigated soil. 



Baccharis emoryi Gray, Bot. Mex. Bound. 83 (1859). Type locality, "on the 

 Gila." 



This was collected only at Resting Springs (No. 267), but it may have occurred 

 elsewhere. See B. sergiloid.es. 



Baccharis glutinosa Pcrs. Syn. PL ii. 425(1807). Type locality, "in R[egni] 

 Chilensis rnderatis." 



This was seen by the writer on the banks of the Colorado River, at the mouth of 

 the Vegas Wash (Nos. 427, 1899), and by Dr. Merriam in the valleys of the Virgin 

 and Muddy rivers, extending along the former to its junction with Beaverdam 

 Creek. 



Baccharis sergiloides Gray, Bot. Mex. Bound. 83 (1859). Type locality, "along 

 the Gila or Colorado." 



Collected in the Slate Range, west of Lone Willow Spring (No. 189), and in Furnace 

 Creek Canon (No. 350). At many points in the Lower Sonoranzoue, in soil moistened 

 by fresh or only slightly alkaline water, plants of Baccharis were found which belong 

 either to this species or to B. emoryi, but of which no specimens were collected. 



Baccharis viminea DC. Prod. v. 400 (1836). Type locality, "in California." 

 Near San Bernardino (No. 108). 



Pluchea camphorata (L.) Sp. PI. ed. 2. ii. 1212 (17G2), under Erigeron; DC. Prodr. 

 v. 452 (1836). Type locality, " in Virginia." 



Observed in a few marshes of the Lower Sonoran zone, in the south end of Resting 

 Springs Valley; at Ash Meadows (No. 346) ; and at Hot Springs, Panamiut Valley. 





