HUGO DAHLSTEDT, NORDSVENSKA TARAXACA. 57 



T. unguilobum n. sp. 



Folia longa, prasinoviridia, subtus leviter, supra spar- 

 sim — densiuscule araneosa, petiolis angustis, basi alatis, me- 

 dio ± coloratis, nervo mediano obscure — lucide purpureo, 

 exteriora brevia lingulata — spathulata, lobis paucis, bre- 

 vibus, latis, acutis, retro versis, in margine superiore valde 

 convexo subulato-dentatis, lobo terminali ovato-sagittato, 

 sat lato, marginibus convexis parce et late dentatis, in- 

 termedia et interiora anguste lanceolata — anguste obovato- 

 lanceolata, multiloba, lobis latis, brevibus, valde retrover- 

 sis et ssepius eximie hamatis, ± acutis — acutissimis, inferio- 

 ribus brevioribus et angustioribus, in margine superiore 

 ± subulato-dentatis, superioribus latioribus et longioribus, 

 subintegris — integris, lobo terminali mediocri, sagittato — 

 ovato-sagittato, marginibus convexis, integris, acuto — ob- 

 tusiusculo, interlobiis nullis — brevibus, ± subulato-dentatis, in- 

 tima, rarius plurima ± elongate obovata, lobis latioribus, 

 valde approximatis, hamatis, margine superiore valde con- 

 vexo, ± subulato-dentato, lobo terminali sat magno, ± ova- 

 to-sagittato, integro, lobulis lateralibus vulgo valde hama- 

 tis. 



Scapi folia sequantes v. iis longiores, erecti v. ssepius 

 curvati, toti v. apice basique ± obscure colorati, subglabri 

 v. prsesertim apicem versus ± araneosi. 



Involucrum breve, crassiusculum, ± csesiovirescens, sub- 

 pruinosum, basi ovata. 



Squamce exteriores adpressae, inferiores perpaucse e basi 

 latiore ± lineari-lanceolatae, superiores late — anguste ovatae 

 — ovato-lanceolatae, acuminatse, apice obtuso — obtusiusculo 

 ± purpurascentes, sat late et conspicue marginatae et in 

 margine saepe ± araneosse, supra ± virescentes, subtus db ob- 

 scure virides; interiores lineari-lanceolatae, in apicem obtusum 

 v. obtusiusculum, ± coloratum sensim attenuatse. 



Calathium parvum, 25 — 30 mm. latum, plenum, obscure 

 luteum. 



Ligidce marginales ± canaliculate, extus stria obscure 

 purpurea notatse. 



Antherce polline carentes. 



Stylus luteus. 



