OF ARTS AND SCIENCES. 77 



teeth for the wing ; palere of the receptacle only one or two among the 

 male flowers. Filaments monadel[)hons to the top, as in D. cones- 

 cens, and anthers pointless ; the style abortive and functionless as a 

 pollen-distributor. 



^ Franseria ilicifolia. Fruticosa, hirsutula ; foliis rigido-coriaceis 

 oblongis vel ovatis basi auriculata subamplexicai;libus penniveniis et 

 reticulato-venulosis grosse dentatis, dentibus apiceque sa^pius acumi- 

 nato-spinescentibus ; capitulis masculis hand visis, foemiueis fructiferis 

 globosis bilocularibus dispermis aculeis crebris longis hamatis armatis, 

 rostris 2 aculeis baud lougioribus parum crassioribus. — Great Cafion 

 of the Tantillas Mountains, near the northern border of Lower Cali- 

 fornia, Dr. E. Palmer. Flowering branches very leafy to the sum- 

 mit, hirsute or hispid : leaves an inch or two in length, tipped with 

 a very sharp rigid spine ; fruiting involucre half an inch in diame- 

 ter, including the slender prickles, which are 2 lines long. 



■^ "Wyethia coriacea. Pedalis, villoso-pubescens, paucifoliata ; 

 foliis longe petiolatis coriaceis eximie reticulatis aut lato-ovatis basi 

 nunc truncata nunc obliqua vel acuta, aut oblongis in petiolum angus- 

 tatis ; capitulis panels breviter pedunculatis ; involucro oblongo e 

 squamis 5-6 oblongis lanceolatisve ligulas sequantibus vel superan- 

 tibus cum interioribus perpaucis parvulis subpaleaceis ; acheniis 

 glabris, radii oblongis obcompressis, disci angustioi'ibus prisma- 

 ticis 4-o-angulatis, omnibus exaristatis. — On tlie Mesa Grande, 

 70 miles north-east of San Diego, California, Dr. E. Palmer. A 

 remarkable dwarf species, with leaves varying from 3 to 5 inches 

 long, and sometimes nearly as broad, on petioles 2 to 4 inches 

 long ; the broader ones with some of the lower and stronger primary 

 veins or ribs converging to the apex, or running into false veins by 

 anastomosis. Heads an inch or so in length. Rays 5 to 8 ; ligules 

 only half an inch long. Pappus of 4 to 6 short ovate or triangular 

 scales, a little united at base, rather unequal, one or two occasionally 

 lanceolate or subulate and longer, but awnless. 



</ HicLiANTHUS GRACiLENTUS. Perbfinis, tripedalis ; caule ramisque 

 gracilibus fere glabris laivibus ; foliis breviusculis lanceolatis integerri- 

 rais utrinque hirtello-scabris subcinereis, inferioribus oppositis breviter 

 petiolatis ; pedunculis paucis gracilibus nudis ; capitulis parvulis ; in- 

 volucro disco breviore, squamis inappendiculatis oblongo-lanceolatis 

 acutis gradatim imbricatis hirtello-puberulis ; ligulis 1 2-1 6 elongatis , 

 disco fusco-flavescente ; paleis apice deltoideis ; achenio glaberrimo com- 

 planato pappi paleis 2 subulato-aristiformibus (corolla jniullo brevi- 



