H. DAHLSTEDT, STUDIER ÖFVER ARKTISKA TARAXACA. 9 
Radix tenuis crassiuscula longa, in rhizoma badio- 
fuscum sepe sat longum et + divisum abiens. 
Folia glabra lete viridia subtus pallidiora, in nervo me- 
diano interdum + roseo-colorata, sat longe petiolata, petiolis 
vulgo haud coloratis v. subinde + roseis, exteriora (juniora 
mox et florendi tempore vulgo emarcida) lingulata — obo- 
vato-lingulata, parce et minute denticulata, cetera + oblongo- 
lanceolata v. lanceolata, quoad laciniarum figura sat varian- 
tia, intermedia pauca, lobis + latis obtusiusculis — acutis re- 
troversis instructa, interiora laciniis late — anguste deltoi- 
deis — falcatis nune magis retroversis nunc magis patentibus, 
in margine superiore convexo sepe + denticulatis pradita, 
dentibus inter lacinias haud raro evolutis, lobo terminali ha- 
stato — sagittato. 
Pedunculi 1—3, florendi tempore folia squantes v. iis 
fere duplo longiores, usque ad 12 ctm. longi, deflorati plus 
duplo — triplo longiores, glabri, basi apiceque cupreato-v 
interdum + roseo-violaceo colorati. 
Involucra brevia, 10—14 mm. longa, 7—10 mm. lata, 
+ obscure atro-viridia (nigricantia), + pruinosa. 
Squame exteriores adpresse, infime late ovata — orbi- 
culato-ovat&, + acuminate, acumine ipso breviore — longiore, 
+ angusto — lato, superiores + ovate — obovato-lanceolate, 
in marginibus sspe denticulate — angulate et sque ac in 
apice sspe + purpureo-colorate, interiores c. 10,. sat late, 
lineari-lanceolate, apice + colorato obtuse — obtusiuscule (v. 
acuminat®) sepe + purpureo-colorate. 
Calathium 25—35 mm. diametro, radians, planum v. 
concaviusculum. 
Ligule exteriores albo-sulphurescentes extus stria olivaceo- 
violacea notatz, dentibus ssepe intensius violaceo-coloratis, 
interiores paullo obscurius sulphurescentes, ad basin lamine 
et in tubo obscurius sulphuree. 
Anthere flavid&, polline omnino carentes. 
Stylus in inferiore parte flavidus, in superiore parte + 
virescens, fuscohispidulus. 
Achenium badium c. 4,45 mm. longum, c. 1 mm. la- 
ium, in basin sensim angustatum, pro maxima parte leve, 
apice parce et minute tuberculatum — acute spinelloso-tuber- 
culatum, rostro achenium raro »quante v. vulgo eo breviore 
(interdum longiore), (2,5—) 3—5 (—6,5) mm. longo. 
