478 LXXXVIIL COMPOSITJE. [Cynaroidec. 
breviter patentes, lanceolati v. lineares, obtusiusculi. Ach:enia oblonga v. obovoidea, 
compressa v. obtuse 4-gona, ssepius nitida, rarius prominule costata, glabra v. villosula, 
areola obliqua v. laterali affixa, apice margine plus minus prominulo coronata.  Pappi 
setze rigiduls v. paleacese, oc-seriatz, seriei intimze ssepius magis paleacesz abbreviateve, 
nune penintimis sequilongz conformesque v. magis paleacez, exterioribus gradatim 
brevioribus, nune omnes integre serrulate? barbellateeve, nunc longiores v. omnes 
plumoss, v. omnes abbreviate v. caducissim:se, v. acheenia omnino calva.—Herb:ze per- 
ennes v. rarissime annu:se, caulescentes ramossque v. subacaules, indumento dum adsit 
smpius cano-tomentoso. Folia radicalia v. alterna, integra v. scepius dentata incisa v. 
semel bisve pinnatisecta. Capitula parva mediocria v. magna, ssepius pedunculata, 
Solitaria v. paniculata, rarius foliis floralibus capitulo sublongioribus fulta. Coroll:e 
purpurascentes violaces csrulez flavz v. albce. 
Species deseripte fere 400, vix tamen 320 retinendze videntur, Europ: Africz borealis et Asize 
imprimis occidentalis incole, pauezeque in America boreali v. australi extratropica inveniuntur, 1 sola 
in Australia, 3 v. 4 in aliis regionibus in4uiling. DC. Prod. vi. 565; vii. 302. Walp. Hep.ii. 
670; vi. 292; Ann.i. 447; ii. 933; iii. 909. — Boiss. Diagn. ser. 2, iii, 64; v. 111. Prweter icones 
infra citatas perplurimas invenias species Europeas illustrantes in Thesauro Pritzeliano enumera- 
tas, quibus addende nonnulle a Jordanio nuperrime edite. 
Genus polymorphum, ab affinibus limitibus vix certis definiendum, a Serratula diffort. involueri 
bracteis appendieulatis v. ubi mutiesz sunt latis coriaceisque, et acheeniis ssepius compressis, antheris 
etiam ssepius basi evidentius appendiculatis; a Jurinea affinibusque achseniis: areola obliqua v. late- 
raliaffixis. A variis auctoribus diversis modis in sectiones v. genera plurima dividitur, Jussieu, Gen. 
Pl. 173, 174, genera sequentia admisit : 
A. Involueri bracteis apice spinescentibus: 1. Cnocoprz1oM, braeteis simplieiter. 1-spinosis ; 2. 
CarcrrRAPA, bracteis apice spinescentibus lateraliterque pinnatim spinosis ciliatisve; 3. SkERIDIA, 
bracteis palmatim spinosis. 
B. Involueri bracteis inermibus: 4. CrwTAUREA, bracteis integris; 5. RmaPowTICUM, bracteis 
apiee aridis scariosis; 6. Cvawvs, bracteis apice ciliato-laceris capitulis radiatiformibus floribus 
exterioribus neutris ampliatis; 7. JACEA, bracteis apice ciliato-laceris, capitulis szequalifloris. 
Cassini genera inordinate multiplieavit, characteribus precipue ex involucro v. pàppo sumptis ; 
Candolleus pauca retinuit, nimis artificialia, pappo tantum distineta; Spach et Boissier nonnulla 
serius proposuerunt, pariter ad pappum confecta. Pappus tamen de specie in speciem variat et in- 
voluerum divisiones meliores przbere videtur, nisi forte eharaeteres adhue certiores ex achreniis 
maturis in pluribus speciebus adhue inobservatis in futuro sumendi. Interea genera Oassinii 
aliorumque ordinamus in Series (vix Sectiones) sequentes, quas tamen sepe inter se nimis arete con- 
junctas esse fatemur. ; 
A. Involucri bracteg inermes, scarioso-marginate v. appendice scariosa integra v. demum lacera nec 
ciliata terminate. 5 
l. Centauriwm, DC. Herbse perennes, sepe elate, Involuerum sspius globosum, bracteis latis 
eoriaceis obtusis apice gust ginatis. Achsnia areola nune laterali nune parum 
obliqua affixa; pappi setze intimze nunc brevissime paleacez, nune longiores inzquales, basi plus 
minus paleacesm.— Brot. Phyt. Lusit. t. 32. —.Reichb. Ic. Fl. Germ. t. 151. CkxTAvRIUM, Cass. Dict. 
vii. 376, xliv. 39.  BrErzrA, Schur. Enwn. Pl. Transsylv. 409. 
Onnyszrs, Cass. Dict. ix. 154 (AwnrRBo: sect. DC. Prod. vi. 669), a Centaurio non differt nisi 
pappo breviore, setis magis paleaceis szepe obtusis. 
C. arguta, Nees, Hort. Phys. Berol. t. 25, 26, speciesque nonnulle affines Canarienses, distinguun- 
tur caule basi suffrutescente, involucri appendicibus integerrimis laceris v. fimbriatis, In C. cana- 
riensi, Sch. Bip. in Webb. Phytogr. Canar. t. 118 involucrum fere Séridie.. 
2. Acroptilon. Herba perennis. Involuera ovoidea v. globosa bractearum appendicibus scariosis 
integris. Ach:»nia areola parum obliqua affixa; pappi setze interiores elongatz barbellatz fere 
plumoss, exteriores abbreviatz, omnes caducissimz. Styli rami elongati et achzenia dura ab auc- 
toribus deseripta in aliis etiam speciebus inveniuntur.— Species unica, C. pieris, Pall. — 
Cass. Dict. i. 464. DOC. Prod. vi. 662.  Jaub. et Spach. Ill. Pl. Or. t. 10, 11. à 
3. Hyalea, DC. non Jaub. et Spach. Herba annua, ramosa, Involucrum oblongum, bracteis in 
appendicem hyalinam laxam desinentibus. Ach:enia normalia, pappi series intima e paleis hyalinis 
penintimis multo brevioribus, ezeterze setosw.— Species unica. C. pulehella, Ledeb. Ic. Fl. Ross. t; 93. 
