COMPOSITEAE 565 



involucrum squamosum, squamis extimis appendiculatis, fo- 

 liaceis, spinosis; reliquis imbricatis, erectis; intimis oblongis, 

 apice scariosis, subdentatis, obtusis; receptaculum fimbrillife- 

 rum, limbrillis subulatis brevibusque; corollulae tubulosae, 

 quinquifidae, subregulares, hermaphroditae, raro extimae ste- 

 riles, coeruleae, raro albo-variantes; filamenta staminum sub- 

 monadelpha, pilorum verticillo ad medium barbata, pilis im- 

 bricato-coalitis; antherae tubo apice crenato, exappendicula- 

 to; stigmata superne libera; achenia ovato-tetragona, glabra, 

 areola terminali margine subdentata, basilari subobliqua, pap- 

 po multiseriali, interdum corollulis aequali, setis basi in an- 

 nulum subcoalitis, inaequalibus, subcrispis, barbellatis, bar- 

 bellis longiusculis, distantibus. Herbae perennes, aliquando 

 acaules; folia pinnatilobata, serrata, serraturis plus minus 

 spinosis. 



Endl Gen. Pl.pag. 476. n. 2877.— DG. Prodr. 6. p. 614. 

 Less. Syn. pag. 5.—Bert. Fl. It. 9. pag. 68 —All. Fl. Ped. 

 1. pag. 154. — Moris Fl. Sard. 2. pag. 438. — Guss. Syn. 

 Fl. Sic. 2. pag. 430.--Torn. Fl. Sic. pag. 333. 



I. C. coeruleus. — Flores in capitulis majusculis, solitariis, 

 terminalibus, homogamis et stipatis bracteis foliis similibus, 

 basi albidis, patentibus; involucrum squamosum, squamis mul- 

 tinerviis, flavidis; extimis brevioribus, ovatis, flocculosis, am- 

 bitu dentato - ciliatis; intimis oblongis, scabris et appendice 

 ovata, subscariosa, dentato - lacera, flavido - fusca vel rubida 

 terminatis; receptaculum ut in genere; corollulae coeruleae, 

 fusco-nervosae, involucro longiores; genitalia generis; ache- 

 nium obovatum, crassum, obsolete tetragonum, apicem versus 

 tuberculoso-scabrum, pappo flosculis dimidio breviore, fulvo, 

 nitente, rigidulo; caulis teres, sulcatus, erectus vel adscendens, 

 crebre foliosus, plus minus floccosus, simplex vel raro parce 

 ramosus, palmari - pedalis; folia varia et ludentia; inferiora 

 lanceolata et longe petiolata, nunc simplicia et serrato-spi- 

 nulosa, nunc pinnatifida, laciniis lanceolatis vel lanceolato - 

 linearibus, plus minus dentato - spinulosis vel etiam incisis, 

 subinde cum lacinulis minoribus interjectis; reliqua sessilia, 

 subcordato-amplexicaulia, serrato-spinulosa; omnia subfloccosa, 

 reticulato - venosa; radix fusiformis, crassa, parce ramosa, 

 subnuda. 



