20 ARKIV FÖR BOTANIK. BAND 9. NIO 10. 



T. lacmiosum n. sp. 



Folia laete viridia. glabra — subglabra, ± elongate oblonga, 

 petiolis ± alatis nervoque mediano pallidis, lobis mediocri- 

 bus — sat longis, inferioribus basi lata deltoideis ± retroversis 

 v. angustioribus subpatentibus, in margine superiore ± irre- 

 gulariter crebre et sat longe inciso-dentatis sensim in apicem 

 acutum attenuatis, superioribus margine superiore ± convexo 

 et irregulariter dentato, cito in apicem ± angustum, supra 

 medium ± dilatatum, patentem — subporrectum, obtusiuscu- 

 culum contractis, interlobiis in fol. latioribus subnullis — bre- 

 vibus, in fol. angustioribus sat longis irregulariter et acute 

 dentatis, lobo terminali in fol. exterior. ± anguste — late sa- 

 gittato obtusiusculo, margine recto v. convexulo, inferne ir- 

 regulariter dentato — denticulato v. lobo term, supra lobolos 

 laterales in apicem angustiorem obtusiusculum parcius den- 

 tatum attenuato, in fol. interioribus vulgo magis elongato sa- 

 gittato, crebre et irregulariter dentato v. latiore cordato- 

 sagittato — hastato vulgo latius dentato ± obtusiusculo, mar- 

 ginibus loborum super, saepe plicatis, lobis summis fol. inte- 

 riorum apice saepe rotundato-obtusis. folia intima pauca (post 

 anthesim plura evoluta) late oblonga, lobis inferne mediocri- 

 bus, superne brevibus latis dentibus crebris prsedita, obtusa. 



Scapi plures pallidi v. superne v. passim colorati, folia 

 aequantes v. vulgo superantes, mox curvati. 



Involucra fusco-virescentia, c. 10 mm. lata et 15 mm. 

 longa, sub anthesi magis elongata. 



Squamoe exteriores sat longa?, inferiores ovato-lanceolatae, 

 superiores lanceolatse, fere ad apicem interiorum adtingentes, 

 irregulariter patentes — reflexa?, supra pallide, subtus obscure 

 virescentes, supra saepe ± fusco-violaceae, apice ± piceae, vix 

 v. parum marginulata?, interiores lineares, apice acutiusculo 

 picea?, ecorniculatae v. solitarise subcallosae. 



Calathium magnum, sat obscure luteum, radians, planum, 

 50 — 60 mm. latum. 



Ligulce marginales angustae, praesertim apicem versus ± 

 canaliculatae, subtus stria obscure fuscoviolacea notatae. 



Stylus aeque ac. stigma livescens. 



Antherce polline repletae. 



