154 CENTURIA V. DIADELPHIA — SYNGENESIA. 



clufo corollae tubo: Jlhmate bipartito: ftaminibus nullis. IMafcitli in 

 difco plurimi, corolU latiore, infundibuliformi, ^-dentato. Filamenta ^, 

 capillarla, brevia , anth;ris longis, connatis. Pericarphim nw\\y\m. Ca- 

 lyx ematurus fubglobofus femina fovens. Semina cuneiformia, coin- 

 prefla, marginata, coronata denticulis feta terminjtis. Pappus nullus. 

 Ruceptacuhm communc, planum, paleaceum : pakis hyalinis, linearibus. 

 KahircE fpontanea. Arab. Karuan. 



POLYCEPHALOS. 



lOO. POLYCEPHALOS. Pohjjamia capitata. Cabjx /^-phjlhts, multijlurus. 

 Descr. Caulis proftrato-repens, fubangulatus, viridis, herbaccus, far£lus. 

 Rami altcrni, ere£li, teretes, alati ex decurrentia foliorum. Foiia' a\- 

 terna, lanceolata, 3-poll. denrato -ferrata, punclis excavaris utrinquc, 

 ve.^ofa, giabra, decurrcncia ad alam fequentem , formantia alas latas, 

 dentatas. Strpuhr nullar. Flores in capitulo terminali, fub quo bra£tex 

 3 lanceolats, ciliatae , decurrentes alis latis, cslycem primum commu- 

 nnn formantes. Capitnhim violaceum, globolum, diamctro \ poll. 

 c 'ntinens fafciculos florum innumeros, alio calyce communi diftinclos. 

 Fifciciihis quivis florum , bracfea ovato - acuta , ariftata , viridi , margine 

 hyalino , villofo: cahjce 4-phyIIo, multifloro, viridi, margine villofo: 

 la:iniis lateralibus acute convexis : intra calyccm flores 9-185 plerique 

 fceminei, pauci herm Flores Jwminei in uno filciculo, feu intra unum 

 calycem 7-15, calyce proprio nullo , corolla fubulata, longa , apice 

 anguftata. Stamiiia nulla. Germen cylindricum , albidum. Stijlus fili- 

 formis, corolla longior. Stigma bifidum, divergens. Flores hennaph. 

 raro 3 in uno fifciculo. Corolia vcnrricofo- tubulofa, albida, apice 

 violaceo, ^-dentato. Filamevta ^, alba. A.ithcra connata:, lupra 

 corollam furgentcs. Germen parvum. Stijhts filiformis, albus. Sti^ma 

 fimplex, filiforme, curvatum , glandulofum. Pnppus nullus. Recepta- 

 cuhiin lqu.imatum bracleis fifciculorum florum. 

 Rofettce in littore N: i; florens initio Novcmbr. Arab. Hahaghdg. Odor 



planrae, f folinrum imprimis) Hyflopum fragranter fpirans. 

 Obs. Mir^ indolis planta Vcl'vin</i afKnis videtur , C-d faci'-s capiriili ut Scaliiafi. 

 E lor.gmquo opparet 1'nlygAniiic jcqunlif ; quia in omnihus fafcieulis florum , 

 in radio & dltco squaliter funr iiermaphi-. fcemincis mixti. Capiruium confi- 

 dero velur orrDm ex mulris rerrailis pedunculis florum compofuorum poly- 

 gamia liiperfluar , <Sc quisque fafciculus florum eft vtlur flos peculiaris com- 

 pofirus bractea & calyce c mmuni : flores fcEinineos in radio , heniiaph. iii 

 difco geftans Quid ? (]Uod in radio plures tinr feries flofculorum fcEmiu. 

 ideoque floies difci henn pauciores quam fceminei radii ; quod in congene- 

 ribus contraiio fe hnber n.odu 



DE- 



