288 71/?-. D. Don's Descriptions of new Geneva and Species 



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

 tilaginea, emarginata ! Stigma bilamelloso-partitum, cum 

 stylo apice minute papillosum, scabriusculum : lobis planis, 

 mucronulatis. Achenia undique villosissima, fulva. Pappus 

 fulvus, mollissimus : radiis plumosis, apice mucronulatis, 

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

 gestis. 



4. C. latifolia, foliis ovatis acutis trinerviis, spinis inaequalibus, 

 floribus racemoso-corymbosis, involucri squamis intimis 

 revolutis. 

 In Brasilia. Sello. \ • 



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 rotundata, rard parum 

 in petiolum decurrentia ; palmaria, fere bipollicem lata, 

 utrinque demum glabrata ; juniora tamen cum ramulis no- 

 vellis villis adpressis fulvescentibus subsericea. Spina ax- 

 illares, geminae, incequales, subulatoe, rigidae, divaricatae, 

 saepii^sque deflexa?, basi coadunata?, trilineares ; altero bre- 

 viore. Petioli brevissimi, semicyiindrici, pubescentes, basi 

 parum dilatata ramis articulati. Flores in apice ramulorum 

 copiosi, racemoso-corymbosi. Pedunculi unirlori, inermes, 

 vix pollicares. Involucra semipollicaria, campanulata: squa- 

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

 presse imbricatis ; intimis elongatis, radium eftbrmantibus, 

 revolutis. Receptaculum magis dilatatum, copiose pilosum. 

 Flosculi indefiniti, omnes regulares, hermapbroditi, tubulosi, 

 5-partiti,coriacei,inferne vix attenuati: seg///e/^islinearibus, 

 acutis, aequalibus, canaliculatis, binerviis, apice barbatis : 

 fauce intus villosd. Stamina brevissima, sub fauce inclusa : 



filament a 



