11 



Aplopappus aRACTLis, Gray, P/. Fendl. 7fi, and var. deniidatuSj 

 Torr. Arizona. 



Aplopappi'S ceryinus, Watson, Amcr, JS'aturalist, 7. 301, IS'ew spe- 

 cies. Low (6 inches high,) suflt'ruticose, resinous-scabrous, the short 

 herbaceous stems leafy to the top; leaves oblong-lanceolate, 4-6 lines 

 long, shortly cuspidate, attenuate to the base, entire, snbscabrous, 3- 

 nervedj heads 3-4 lines long, in corymbs of 3-5, tenniuating tlie 

 branches ; outer involucral scales linear, acuminate, witli setaceous 

 spreading tips, the inner chartaceous, acutish, with scarious lacerated 

 margins, erect, nearly equaling the pappus; rays few, narrow and 

 but little exceedingthedi.sk; st.yle exserted ; achenia linear, pubes- 

 cent.- — ^Nearest to A. suffnttwosiis^ Gray. Antelope CaQon, Utah. 



Grindelia square OS a, Dunul. Utah. 



Chrysopsts villosa, Nutt. Utah. 



Laphamta Stansburii, Torr. Utah. 



Laphamta :\rEGALOCEPHALA, Watson, Amer. FaturaUst^ 7. 301. JSTew 



species. Scabrous pubescent ; stems diiiusely branched, a foot high ; 



branches simple; leaves alternate, broadly ovate, --3 lines long, 



smaller upon the branches, entire, very shortly petioled ; heads large, 



2-3 lines in diameter, terminal and solitary, discoid, niany-ilowered; 



achenia compressed, hispid ; pappus none. — With nearly the habit of 



the last- Nevada. 

 Perpiyle Emoryt, Torr., BoL Mex. Bomifh 82. Arizona. 

 BACcnARis IIALOIIPOLIA, L. Turr. & Gray, Flora^ 2. 258. Nevada 



and Arizona. 

 Baccharis salicina, Torr. & Gray, Flora^ 2. 258. Nevada. 

 Baccharis Emoryi, Gray, BoU Mex. Bound. 83. Arizona. 

 Tessaria borealis, Torr. & Gray. Nevada. 



Pluchea camphorata, DC. Torr. & Gray, Flora^ 2. 261. Telescope 

 Mountain, Southeastern California. 



CONYZA CouLTERi, Gray, Froc. Amer. Acad 7. 355. Arizona. 



Ambrosia pstlostachya, DC. Utah. 



Franseria dumosa, Gray. Arizona. 

 HY:^rENOCLEA MoisoGYRA, Torr. & Gray. Arizona. 



XAiSTHIUM STRU3IARIU3I, L. Utah. 



OxYTENiA ACEROSA,. Nntt., PL GambelL 172. Telescope Mountain, 



Califorrna. A rediscovery. 

 Zinnia grandifloka, Nutt. Torr. & Gray, Flora, 2. 298. Arizona. 

 HELI03IER1S MULTIFLORA, Nutt. Nevada, Arizona and Utah, 

 Encelia Californica, Nutt. Torr. & Gray, Flora, 2. 317. Yar. 



Tonientose, with a close white pubescence; flowers small. Arizona. 



ViGUiERA RETICULATA, Watsou, Amer. Natnrallstj 7. 301. New- 

 species. White-tonientose ; stems herbaceous; leaves subopposite, 

 coriaceous and rigid, broad ovate, 1-2 inches long, cordate at base, 

 acute, entire, sliort-petioled, strongly reticulated beneath; bracts 

 small, hmceolate; heads 4-5 together, in short close corymbs; in- 

 volucral scales imbricated in 3-4 or more series, lanceolate, thick, 

 appressed or the tips spreading; rays entire; receptacle shortly coni- 

 cal ; chaffacutish ; achenia silky pubescent, the pappus-awns subidate 



at base, the scales lacerate. — Telescope Mountain, Southeastern Cali- 

 fornia. 



WVEiniA AMPLEXICAULIt?, Nutt. Utah. 



Balsamorhiza sagittata, Nutt. Northern Nevada and Utah. ■ 



KUDBKCKIA OCCIDEISTALIS, Nutt. Utah. 



HELTA^^THUS PETiOLARis, Nutt. Torr. & Gray, Flora, 2. 319. Nevada. 



IlELIAKTIIUS LENTICULAR IS, DougU Utah. 



