288 Mr. D. Don's Descriptions of new Genera and Species 



libus, obtusis : appendicula terminalis brevis, ligulata, car- 

 tilaginea, emarginata ! Stigma bilamelloso-partitum, cum 

 stylo apice minute papillosum, scabriusculum : lohis planis, 

 mucronulatis. Achenia undique villosissima, fulva. Fappits 

 fulvus, moUissimus : radiis plumosis, apice mucronulatis, 

 ima basi crassioribus, nudis et connatis, simplici ordine di- 

 gestis. 



4. C. latifoUa, foliis ovatis acutis trinerviis, spinis inaqualibus, 

 floribus racemoso-corymbosis, involucri squamis intimis 

 revolutis. 

 In Brasilia. Sella. ^ . 



Frutex ramosus, spinosus. Rami cylindrici, leviter sulcati, cor- 

 tice fusco-cinereo obducti. Folia alterna, petiolata, ovata, 

 V. ovato-oblonga, acuta, integerrima, trinervia, reticulatim 

 venosa, submembranacea, basi lata rotundatd, raro parvim 

 in petiolum decurrentia ; palmaria, fere bipollicem lata, 

 utrinque demiim glabrata ; junior a tamen cum ramulis no- 

 vellis villis adpressis fulvescentibus subsericea. Spina ax- 

 illares, geminaj, inaequales, subulatae, rigidae, divaricatae, 

 ssepiiisque deflexse, basi coadunatae, trilineares ; altero bre- 

 viore. Petioli brevissimi, semicyiindrici, pubescentes, basi 

 par\^m dilatatA ramis articulati. Flores in apice ramulorum 

 copiosi, racemoso-corymbosi. FedimcuU uniHori, inermes, 

 vix pollicares. Involucra semipollicaria, campanulata: squa- 

 mis ovatis, mucronulatis, ciliatis, subcarinatis, coriaceis, ad- 

 pressfe imbricatis ; intimis elongatis, radium elFormantibus, 

 revolutis. Ixeceptaculum magis dilatatum, copiose pilosum. 

 Flosculi indefiniti, omnes regulares, hermaphroditi, tubulosi, 

 5-partiti,coriacei,infern^ vix attenuati: seg7;ze«^/slinearibus, 

 acutis, ajqualibus, canaliculatis, binerviis, apice barbatis : 

 fauce intus villosa. Stamina brevissima, sub fauce inclusa : 



fdamenta 



