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



5-partiti : tubo pentagono, 5-nervio, substantia crassiore, ex- 

 tus et intus dense fulvo-villoso, limbo ter breviore : segmentis 

 linearibus, villoso-plumosis, apice penicillatis, strictis, basi 

 latiore planis, nervis raarginalibus prominulis, margine su- 

 perne involutis : villis fulvis. Stamina disco epigyno cum 

 corollA inserta : filamenta linearia, angustissima, compla- 

 nata, fere membranacea, nervo manifestissimo, basi parum 

 latiore, imo tubo corolla? adha?rentia : anthera in tubum 

 angustum coalitae, longitudine 8-lineares, appendicula li- 

 neari-ligulata obtusA anthera ipsa dimidio breviori cartila- 

 gineA coronatae, basi bisetae : setts requalibus, compressis, 

 validis, sulco exaratis, 2 lineas longis, extremitate filamen- 

 tosA, spirali, retroflexA. Stylus glaber, 5-angulus, basi in- 

 crassata. Stigmata lineari-lingulata, obtusa, facie interiori 

 canaliculata, cum superiore parte styli atomis resinosis co- 

 piosissimis ornata, conniventi-applicata. Aclwnia turbinata, 

 undique fulvo-villosissima, hinc convexa, inde biangulata. 

 Pappi radiis pluribus (20—24) valde phimosis, imiequalibus, 

 inferne crassioribus, simplici ordine digestis, ima basi con- 

 natis, apice simplici setaceo, brevi : ra?nulis persistentibus. 

 Obs. — 'J'abula Lamarckiana, errore pictoris, tubum antherarum 

 pro corolla exhibet. 



I have, without hesitation, united the Chuquiraga insignis and 

 microphylla, being fully persuaded that the characters relied on, 

 as marks of distinction, are of too transitory a nature to justify 

 the separation of two plants otherwise so much alike. In the 

 Lambertian herbarium are two specimens of C. insignis from 

 M. Bonpland himself, with the branches thickly clothed with 

 short hairs, and the young leaves slightly villous, which cir- 

 cumstances are regarded by him as constituting the specific 

 distinction of his C. microphylla ; but, as the epidermis is de- 

 ciduous, 



