OF ARTS AND SCIENCES. 77 



teeth for the winij ; p;ih';e of tlic rcceptai'lt' only om> or two aiiioiii; tho 

 male flowers. Filaiiu'iits iiKiiiadriiiJums to tlu; top, as in J), cdtii-s- 

 ce/is, antl anthers pointless ; (he style ai)ortivt! ami functioiilcss as a 

 pt)llen-(listributor. 



Fij.vxsKiJiA ILICIFOI.IA. Fruticosa, hirsntula; foliis ri^ido-coriaeeis 

 ohloiijiis vel ovatis basi aurieulata sulianiplexicaulibns pcnnivcniis (.-t 

 retiiiilato-venulosis grosse ilentatis, dentibns apieeque sa-pius aciiini- 

 iiato-spinescentibus ; capitulis masculis hand visis, fcemiueis fruciiicris 

 globosis biloeularibns disptMinis aculeis crebris longis hainatis arniatis, 

 rostris 2 aenk'is hand lougioribus parum crassioribus. — Great Cafion 

 of the Tantillas Mountains, noar the northern border of Jjower Cali- 

 fornia, Dr. P^. Palmer. Flowering branehes very leafy to the sum- 

 mit, hirsute or his[)id : leaves an inch or two in length, tipped with 

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

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



Wykthia coriacea. Pedalis, villoso-pubescens, paucifoliata ; 

 foliis longe petiolatis coriaceis eximie reticulatis aut lato-ovatis basi 

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

 tatis ; capitulis paucis breviter pedunculatis ; involucro oblongo e 

 squamis 5-6 oblongis lanceolatisve ligulas aequantibus vel superan- 

 tibus cum interioribus perpaucis parvulis .sul)paleaceis ; aclieniis 

 glabris, radii oblongis obcompressis, disci angustioribus prisma- 

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

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

 remarkable dwarf species, with leaves varying from 3. to o 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. 



HixiANTHUS GRACILENTUS. Perenni.s, tripedalis ; caule ramisque 

 gracilibus fere glabris kevibus ; foliis breviusculis lanceolatis integerri- 

 mis 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 fuico-flavescente ; paleis apice deltoideis; achenio glaberrimo com- 

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



