32 ARKIV FOR BOTANIK. BAND 10. w:o 6. 
18. T. vitellinum n. sp. 
Folia subprasino-viridia, sparsim in nervo dorsali densius- 
cule araneosa, petiolis angustis, sat longis et nervo dorsali in 
pagina inferiore pro maxima v. saltim inferiore parte vinosis 
v. pallide—sat lucide roseo-violascentibus, exteriora anguste 
lanceolata— anguste lanceolato-oblonga lobis + reversis, infe- 
rioribus brevibus sepe angustis, dorso + recto v. concavo 
crebe subulato-dentatis, superioribus longioribus, basi + latis 
dorso subrecto, sparsim subulato-dentato—subintegro, inter- 
lobiis sat longis, superne brevioribus, sparsim—sat densiuscule 
subulato-dentatis, lobo terminali mediocri, anguste ovato, 
basi sagittato, margine + convexo, integro v. in uno alterove 
latere dente v. lobo brevi acuto v. obtusulo preedito, sepe supra 
lobulos laterales + contracto, in fol. ext. magis obtuso, mucro- 
nato, interiora interlobiis + evolutis magis oblonga lobis basa- 
libus brevibus, acutis, superioribus + reversis—sat patentibus, 
sepe sat angustis, mediocribus — longis, deltoideis apicibus longis 
acutis, interdum leviter porrigentibus, dorso + recto, + su- 
bulato-dentato, in lobis summis sxepe integro, lobo terminali 
sagittato, sat longo et sepe magno, integro v. in uno alterove 
latere prope apicem dente + lato acuto v. haud raro obtusato 
instructo, intima florendi tempore rarius evoluta, magis ob- 
longa, lobis magis curvatis, lobo terminali magno, cet. ut in 
precedentibus. . 
Scapi folia + superantes, sparsim apicem versus crebrius 
araneosi, + eolorati. 
Involucra brevia, c. 14—15 mm. longa, crassiuscula, atro- 
viridia. 
Squamae exteriores + patentes—leviter reflexe, + lanceo- 
late, supra obscure virides et sepe + violascentes, apice + 
purpurascentes, subtus atrovirides, apicem versus picee, interi- 
ores obscure virescentes, lineari-lanceolatz. 
Calathium 35—40 mm. latum, radians, subvitellinum, e 
stylo obseuro et colore translucido pagine inferiores lig. margi- 
nalium + sordidescens. 
Ligule + canaliculate, marginales extus obscure badio- 
violaceo-vittate, colore sepius + translucido. 
Anthere pollinifere. 
Stylus obscure virescens, + excedens. 
