56 ARKIV FOR BOTANIK. BAND 10. w:o Il. 
retroversis v. sepe valde hamatis, in margine superiore + acute 
dentato—anguste et parce lobulato, in interlobiis et secus 
nervum passim obscure colorata, lobo terminali sat parvo, 
hastato—triangulari, supra medium szpe constricto et sepe 
breve—sat longe apiculato, lobis lateralibus acutis, hamatis— 
retroversis v. etiam + patentibus, brevibus, interiora latiora 
magis elongate obovata, lobis inferioribus parvis angustis, 
crebre denticulatis, superioribus longioribus, ssepe sat longis, 
retroversis, angustis—sat latiusculis, acutis, lobo terminali 
magno, sagittato, marginibus + convexis, supra lobulas late- 
rales sat longos lobulato et dentato, czeterum integro, + acuto 
—breve acuminato. 
Scapi folia + superantes, inferne v. toti vinose colorati, 
superne 4- pallidi, sparsim v. superne densiuscule et sub involu- 
cro sat dense araneosi. 
Involucra crassiuscula, sat lete viridia v. olivaceo-virescen- 
tia, basi + ovato-rotundata. 
Squame exteriores latiuscule, lineari-lanceolate, inconspi- 
cue—sat conspicue marginat&, + reflexze, supra sat laete virides, 
sepe + lucide violascentes, subtus magis obscure virides, api- 
cem versus obscuriores et apice ipso + roseo-purpureo, interiores 
sat lete virides, apicem versus magis obscure, sub apice + 
roseo-purpureo obscure calloss. 
Calathium 40—45 mm. latum, sat obscure luteum, sat 
radians. 
Ligule marginales subplane, apice + canaliculate, extus 
stria obscure violacea notate, interiores apic. dentium rubr& v. 
crocee. 
Anthere pollinifer«. 
Stylus virescens, siccus sat obscurus. 
Achenium lete olivaceo-stramineum, apice longe spinulo- 
sum, ceterum tuberculatum v. basi + leve, 3 mm. longum v. 
paullo longius, 1 mm. latum v. latius, pyramide 1 mm. longo, 
subconico, rostro c. 10 mm. longo. 
T. onychodontum har utan tvifvel sina nàrmaste slaktingar 
i T. brevisectum Patmer., T. obliquilobum Danursr. och T. 
Kjellmanni Dautst. Fran alla ar den emellertid val skild ge- 
nom de utprägladt klolika loberna pa åtminstone de yttre bladen 
eller hos djupare flikade individ äfven pa de mellersta och delvis 
äfven pa de inre bladen. Fran T. brevisectum PALMGR. ar den 
dessutom skild genom längre, smalare och spetsigare lober och 
