OF ARTS AND SCIENCES. 297 



4. Gamopetalce MlsceUanecc. 

 CompositcB. 



Brickellia Nevinii. E basi fruticosa multicaulis, tomento mol- 

 lissimo subfloccoso iucaua ; ramis gracilibus usque ad capitulas corym- 

 boso-thyrsoideas foliatis ; foliis alternis parvulis, cauliuis semipollicaribus 

 ovatis repando-subdeiitatis brevipftiolatis, superioribus ramealibusque 

 bracteiformibus arete sessilibus ; capitulis oO-40-floris semipollicaribus; 

 iuvolucro obloiigo pluriseriali, bracteis obtusiusculis paucistriatis, ex- 

 terioribus lanceolatis subfoliaceis parura squarrosis, iutimis angusto- 

 liiiearibus ; pappo minute scabro. — Los Angeles Co., California, near 

 Newhall, Oct. 1884, /. C. Nevin. A remarkable species, white-woolly 

 in the manner of B. incana and B. Hartwegi^ in other respects allied 

 to B. mxcrophylla 



Aplopappus Orcuttii. a. sqiiarroso affinis, pariter fruticosias, 

 fere glaber ; ramis virgatis ; foliis resinoso-puuctatis raox glutinosis 

 spathulato-lanceolatis acutatis integerrimis crasso-coriaceis ; capitulis 

 plurimis in thyrsum strictum digestis iis A. sqiiarrosi minoribus et 

 angustioribus 15-18-floris; involucri bracteis apice viridulo squarroso- 

 patente viscoso-puberulis ; floribus radii 2-4 fertilibus ligula parva 

 discum paullo superante ; fl. disci appendicibus styli lato-lanceolatis 

 parte stigmatica plus dimidio brevioribus ; acheniis (junioribus) pubes- 

 centibus. — All Saints' Bay, in the northern part of Lower California, 

 C. R. Orcutt, Sept. 1884. An interesting species, connecting the ray- 

 less A. squarrosus with the radiate Pyrrhocomoid species. 



Erigeron nudatus. E. Bloomeri proximus, glaberrimus, lajvis ; 

 caulibus caespitosis brevissimis folia conferta spathulato-linearia obtusa 

 crassiuscula fere evenia gerentibus ; pedunculis scapiformibus simplici- 

 bus monocephalis ultraspithamneis ; involucri biserialis bracteis sequali- 

 bus crassiusculis lanceolatis acutis prorsus viridibus aut glaberrimis 

 aut pilosiusculis glabratisque ; ligulis nullis ; acheniis obovato-ol)longis 

 parce pubesceutibus ; pappo simplici albido. — Dry hillsides, Waldo, 

 S. W. Oregon, Howell, June, 1884. 



SiLPHiuM BRACHIATUM, Gattinger.* Caule quadrangulo (3-5- 

 pedali) foliato cum ramis floriferis brachiatis gracillimis subnudis 

 teretibus glabro Isevique ; foliis oppositis supra hispidulo-scabridis, 

 caulinis longiuscule petiolatis deltoidpo- vel hastato-lanceolatis sub- 

 dentatis, petiolo parum marginato hispido-ciliato, ramealibus dissitis 



* Now described by the discoverer in Coulter's Botanical Gazette, ix. 192.- 



