679 



aequaliter dense foliali et herbacel. Folia membraiiacea, 

 sessilia, sparsa, uni-s. pennlncrvia, erecto-patenlia — pa- 

 tenti-divergentia, linearla, eloiigata, interiora saepe oblon 

 go-obovata, obtusa — acumlnala, supra glabra, scabra et 

 rugosa, sublus albo-iomcntosa, rariiis glabrata et pallldlora, 

 integerrima, margine revoluta — plana, li — 3^'' longa, 

 1 — 6"' lata. Cymae terminales, scorpioi'des, longae s. 

 breves, ramis primariis, pl. slmpliciformlbus , suprafastl- 

 giatis, erecto-patentibus s. patenti-divergentibus, polyphyl- 

 lis, pl. elongatis et polyceplialis, summis verticillatis, cae- 

 teris accessoriis alternis folia sua superantibus. Capitula 

 multitlora, circiter ^" alta, magis minusve distantia, foliis 

 suis pl. breviora, rarius gemina. Involucrum V. macro- 

 cephalae campanulatum , fructibus vix brevius, multise- 

 riale, foliolis muticis, planis, obtusis aut aculis, ecilia- 

 tls — valde ciliatis, ex oblongo-ellipticis, foliaceis, squar- 

 rosis, sublus albo-tomentosis in linearia, acuta, glabrata, 

 3"' longa, tota sicco -membranacea, superne atropurpuras- 

 centia. Khachis nuda, plana. Pappi argentei series ex- 

 lerior brevis paleacea ab interiori setacea, longa longitu- 

 dine latiludineque distincta. Corollae purpureo-violaceae, 

 glabrae. Acbaenia hirsuta, multi-costata, oblonga, obcom- 

 presso-subtrigona, dorso convexa. 



a) angustifolia foliis confertls, anguslls margine re- 

 yolulis; cyma polycephala. 



P) plantaginea foliis rarlorlbus, latioribus, inferiori- 

 bus margine planis; cyma oligocephala. 



Differt a /^. rubricauU: follorum tomenlo, si adesl, 

 opaco nee sericeo, nervis supra impressis nee prominulis, 

 pagina superiori rugosa; foliolis squarrosis, extimis folia- 

 ceis, interiorlbusque apice foliaceis extus semper tomento 

 albo et persistent! obsessis nee omnibus siccis et sibi ad- 

 pressis et ad summum obsolete arachnoideo-tomentosis. 



140. F^. macroccphala (p. 298.) Herba foliis pcllo- 



