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



nutans, albus. Involucrum quadruplici circiter serie poly- 

 phyllum, campanulatum : squamis lanceolatis, mucronulatis, 

 adpressis, margine apiceque sanguineo-coloratis ; intitnix 

 radiantibus. Flosculi radii plurimi, foeminei, duplici ordine 

 digest! (serie interiore plurimilm minore) ; extimis 20 circiter 

 ligulatis, obtus^ tridenticulatis ; labio interiore minuto, obtuse 

 bidentato ; disci masculi, bilabiati : labiis revolutis ; exteriore 

 ligulato, obtus^ tridenticulato ; interiore bipartito : segmen- 

 tis lanceolatis, attenuatis. Anthercz basi long^ biaristatae, 

 appendiculA, ligulata, obtusa coronatae. Stigma masculis 

 inclusum clavatum, bilobum ; radiis bifidum : laciniis semi- 

 cylindricis, obtusis, recurvis, pruinosis. Achenia elliptica,^ 

 compressa, glabra : disco epigyno dilatato. Pappus capil- 

 laris, denticulis scaber, fulvellus. 



3. C. roiundifolia, foliis petiolatis subreniformibus, involucris 

 laevibus. 

 In stagnatis altis frigidis Peruviae ad Pillao. Ruiz et Pa- 

 von. 2/ . 



Herba caespitosa, facie et magnitudine Tussilagini alpincB omnin6 

 accedens. Radix praemorsa, fibris atro-fuscis, longis, crassis 

 instructa. Folia plurima, radicalia, petiolata, nunc sub- 



, rotunda basi integra, nunc cordata v. subreniformia, obtusa, 

 suprEi demiim nuda, cost^ validiuscul^, nervis oblique trans- 

 versis peragrata, ind^ reticulato-venosa, rugosa, subtiis land 

 nived, siccitate fulvd, copios^ vestita, ord perangustd, re- 

 volutd, denticulisque plurimis, obtusis, nudis, reflexo-ad- 

 pressis munit^, unguicularia, v. nunc rari^is pollicaria. Pe- 

 iioli filiformes, simplicissimi, lanati, sesqui- v. bi-pollicares. 

 Scapus altitudine maxim^ varians, nunc tripollicaris, nunc 

 dodrantalis, v. rariiis ferh pedalis. filiformis, solitarius, 

 wnitlorus, gracilis, land villosissimd rufescente, squamis 



.' pluribus. 



