166 PROCEEDINGS OF THE AMERICAN ACADEMY 



Peak, alt. 9000 feet, "Wasatch Mountains, Utah, S. Watson. Leaves 

 acute, sometimes an inch long, tapering into a slender petiole. Scape 

 nearly a span high. 



28. E. multiceps, Nees, Verz. PI. Max. v. Wied (extr. Trav. Neu- 

 Wied), p. 20, ex char. Lana appressa candidissima indutum, caudicis 

 ramis breviter adsurgentibus foliosis ; foliis oblongo-spathulatis oblan- 

 ceolatisve in petiolum longe attenuatis ; scapo 3 - 5-pollicari ; capitulo 

 bracteato ; involucris 5-10 tubulosis 5-dentatis ; perigonio albo vel 

 fusco-flavido extus sublanuloso, segmentis obovato-cuneatis retusis ; 

 filamentis glabriusculis. E. gnaphalodes, Benth. in Kew Jour. Bot. 5, 

 p. 263 (1853). — Colorado, cliffs of the Upper Platte, Neu-Wied, 

 Geyer, Gordon, Hayden, H. Engelmann, E. W. Emerson. Bracts 

 under the head more conspicuous and involucrate than in other species 

 of the group, one or two of them equalling or surpassing the involucres. 

 Flowers small. E. multiceps, Nees, much anterior to Bentham's name, 

 has been wholly overlooked, which, from the place of publication, is not 

 surprising. 



29. E. pauciflorum, Pursh, Fl. 2, p. 735. Glabrescens, Armerice 

 facie ; caudicis ramis brevissimis crebris ; foliis linearibus subspathula- 

 tisve margine revolutis in petiolum longe attenuatis supra mox glabratis ; 

 scapo subspithamoeo ; involucris in capitulo 5-10 turbinato-campanu- 

 latis 5-dentatis ; perigonio albo glabro, segmentis ovalibus ; filamentis 

 inferne pubescentibus. — Nebraska to the Rocky Mountains in Colo- 

 rado, Bradbury, H. Engelmann, Parry. 



* * Majores, subacaules, caulibus basi nunc breviter adsurgente 

 tantum foliatis ; pedunculo valido scapiformi nudo capitulo aut 

 solitario aut paucis umbellatis sat magnis superato; involucris 

 brevi-campanulatis truncatis (dentulis 5-8 membranula prorsus 

 connexis) permultifloris. Bi'acteola? villoso-plumosissima? ex in- 

 volucro mox exserUe. Perigonium semper album, glaberrimum, 

 segmentis latis. {Desmocephalorum Benth. species.) 



30. E. latifoliuji, Smith in Rees Cycl. Soepius 1-2-pedale; foliis 

 ovalibus basi lata rotundatis cordatisve subtus albo-lanatis supra cum 

 scapo lana araneosa plus minus decidua; involucris in capitulo nunc 

 pollicem lato 5-12 lanatis 5-dentulis ; perigonii segmentis lato- 

 obovatis. E. arachnoideum, Esch. — Coast of California, from Santa 

 Cruz northward to Humboldt Co. Leaves one to two inches long, on 

 petioles (as in other species) of variable length. 



