ARKIV FÖR BOTANIK. BAND 5. NIO 9. 



Taraxacum noryegicum Dahlst. 



Tail. 12 & 13. 



T. ceratophorum DC. subsp. norvegicum Dahlst., 

 Om skand. Taraxac uniformer, Bot. Not. 1905. 



Radix crassa elongata in rhizoma validum s«pe divisum 

 abiens. 



Folia plurima, exteriora ± obovato-lanceolata sparsim, 

 longe et anguste laciniata, lobis patentibus - - porrectis acu- 

 tis, inter lacinias majores lobulis v. dentibus ± subulatis 

 instruct«, interiora latiora oblongo-lanceolata obovato- 



oblonga, latius, densius et profunde laciniato-lobata, lobis in 

 margine superiore ± dentatis, dentibus subulatis inter lobos 

 interpositis, lobo terminali in fol. ext. ± angusto et longo, 

 in fol. int. sat lato, hastato, lsete viridia, glabra, petiolis et 

 nervo dorsali s«pius lucide roseo-purpureis. 



Peclunculi 2 — 12, folia «quantes v. iis longiores, deflo- 

 rati usque duplo superantes, ± lucide roseo-purpurei v. 

 cupreo-colorati, glabri usque leviter araneosi. 



Involucrum 16 — 17 mm. longum, sat latum, ± atrovirens. 



Squama; exteriores subpatentes v. erect«, subadpressse, 

 infim« ± övat« v. ovato-lanceolat«, cornubus brevibus, ± 

 fusco-purpureis pr«dit«, superiores magis lanceolat«, cornu- 

 bus longioribus, ± acutis et patentibus instruct«, omnes 

 angustissime scarioso-marginat«, margine inferne albo, superne 

 magis roseo-colorato, s«pe ± denticulat«, dorso superne ± 

 fusco-purpurascentes, ad medium v. paullo supra medium 

 sq. int. attingentes; interiores ± lineares cornubus parvis 

 (s«pe binis) pr«dit«, apice ipso fusco-purpure«. 



Calathium 45 — 50 mm. diametro, sat plenum, sat obscure 

 luteum. 



Ligulce marginales c. 2,5 mm. lat«, extus stria inferne 

 ± olivacea, superne magis purpurea notat«. 



Antherce obscure lute«, polline replet«. 



Stylus et stigmata lutei. 



Achenium l«te theobrominum. 3,5 — 3,7 5 mm. longum c. 

 1 mm. latum, pyramide c. 1 mm., rostro 5,7 5 — 6 mm. longo, 

 pappo albo. 



