100 ARKIV FÖR BOTANIK. BAND 12. NIO 2. 



T. Sundbergii n. sp. 



Folia vulgo magna, obscure prasino-viridia, sublutes- 

 centia, subtus parce — sparsim, supra sparsim — densiuscule 

 pilis longis, articulatis, mollibus vestita, petiolis latiusculis, 

 ± alatis, pallidis — roseolis v. fuscoviolaceis, nervo mediano 

 sat pallido v. inferne, rarius usque ad medium v. ultra me- 

 dium ± roseolo — fusco-violaceo, caeterum pallido, extima par- 

 va, ± spathulata, 1 — 2-loba^ inferne ± denticulata, lobis la- 

 tis, humilibus, ± retroversis, denticulatis — integris, lobo ter- 

 minali sagittato — liastato, ± obtuso, integro v. superne in 

 utroque latere 1 — 2-dentato, mariginibus ± convexis, ex- 

 teriora et intermedia, florendi tempore vulgo solum evoluta, 

 ± late lanceolata — elongate obovato-lanceolata, 3 — 4-loba, 

 basi angusta ± inqseualiter subulato-dentata, lobis inferi- 

 oribus latis, magis humilibus, deltoideis, in margine supe- 

 riore ± convexo ssepe crebre subulato-dentatis, apicibus acu- 

 tis patentibus et saepe ± resupinatis, lobis superioribus mi- 

 nus latis, ± retroversis — patentibus, in margine superiore 

 valde convexo minus crebre dentatis, apicibus ± resupina- 

 tis, minus acutis, summis margine superiore ssepe valde con- 

 vexo, integro — subintegro, ssepius valde hamatis, apicibus 

 latis obtusiusculis — obtusis, retroversis v. ssepe leviter re- 

 supinatis, lobis omnibus nunc sat approximatis nunc ± 

 distantibus, interlobiis saepe angustis, ± dentatis et haud 

 rare obscure coloratis, lobo terminali ± triangulari, sat lato 

 magis acuto — hastato v. vulgo sagittato, mediocri — magno, 

 magis elongato, lobulis lateralibus latioribus, magis obtusis, 

 apice ± resupinatis — magis hamatis et acutioribus (lobulo 

 uno alterove interdum apice rotundato), marginibus ± con- 

 vexis, integris v. ad medium interdum rotundato-incisis, 

 ssepe ± plicatis, obtusiusculo — obtuso v. breve acuto, inti- 

 ma lobis omnibus magis dentatis, superne ssepe ± confluen- 

 tibus, lobo terminali majore, inferne magis dentato et inciso 

 et plicato, magno, marginibus saepe valde convexis. 



Scapi folia ± et ssepe longe superantes, inferne magis 

 dilute, superne magis obscure vinosi, sparsim v. apicem ver- 

 sus densiuscule, sub involucro ssepe dense araneosi. 



Involucrum magnum, crassum et latum, obscure viride 

 — atroviride, basi lata, ± truncata. 



