692 GOMPOsiT^. Centaurea. 



Sect. XV. Seridia. 



176. C. sphaerocephala (L. Sp. 1295) papilloso-hirta inter- 

 dum subaraneosa, caulibus erectis vel ascendenli-procumbentibus 

 angulatis flexuosis simplicibus vel parce ramosis corymboso-oligoce- 

 phalis, foliis interioribus petiolatis lyratis vel sinuato-lobatis lobis 

 obtusis dentatis, superioribus oblongis basi rotundalo-auriculatis, 

 capitulis foliis summis minutis bracteatis terminalibus solitariis 

 majusculis a basi truncato-concava ovato-conicis, involucri parce 

 arachnoiiiei vel giabrati phylhs fuscescentibus in appendicem flavam 

 patulo-reflexam in 5-7 spinulas tenues phyllo subfequilongas palmati- 

 partitam abeuntibus, phyllis intimis scariosis, flosculis purpureis exte- 

 rioribus radiantibus. acheniis fuscis parce pilosulis nitidis, pappi setis 

 intermediis achenio brevioribus % . lc Fl. Griec. tab. 904. — lc. Rchb. 

 tab. 69. — C. cespitosa Vahl Symb. II, 9, 3. 



Hab. in maritimis Archipelagi (Sibth.)- E ditione non vidi. 

 Ar. Geogr. Lusitania, Hispania australis, Corsica, Sardniia, Italia australis, 

 Africa borealis. 



177. C. sonchifolia (L. Sp. 12941 papilloso-pubescens visci- 

 dula, caulibus erectis ramosis ramisque alis latis dentatis deorsum 

 altenuatis instructis, foliis inferioribus petiolatis lyratis vel obtuse 

 sinuatis spinuloso-denticulatis, cseteris lanceolatis decurrentibus, capi- 

 tulis terminalibus solitariis bracteatis mediocribus a basi subtruncata 

 ovato-conicis, involucri glabri phyllis in appendicem flavido-fulvam 

 reflexam in 5-7 spinas divergentes palmatipartitam abeuntibus spina 

 terminali aliis sublongiore phyllum longitudine sequante vel subsu- 

 perante, flosculis purpureis subradiantibus, aclieniis albidis brevibus, 

 pappi setis intermediis achenio 2-3 plo brevioribus ^. Ic. Rchb. 

 tab. 68. 



Hab. in maritimis Zacynthi (Marg!), Peloponncsi in Messenia (Heldrl). 



Ar. Geogr. GaUia australis circa Massiliam et Nicoeam , Italia australis/ 

 Siciiia. 



178. C. dimorpha ( Viviani Fl. Libyca 58, tab. 24, fig. 3) ara- 

 neoso-canescens vel cana, a collo ssepius ramosa ramo centrali bre- 

 vissimo monocephalo lateralibus ascendentibus vel procumbentibus 

 1-3-cephalis anguste alatis, foliis radicalibus rosulatis in segmenta 

 ovato-triangularia mucronato-denticulata lyrato-pinnatipartitis rarius 

 iridivisis, raraeis in alas angustas deorsum angustatas decurrentibus, 

 capitulis majusculis solitariis terminalibus ovatis, involucri araneoso- 

 lanati phyllis in appendicem patulam palmatim et facie superiori fas- 

 ciculatim 7-13-spinoso-partitam abeuntibus, spinis tenuissimis flavidis 

 terminali longiori subvalidiori phylli longitudinem sequantc, flosculis 

 purpureis radiantibus, acheniis (junioribus) papposis ^. 6'. erioce- 



