12 ARKIV FÖR BOTANIK. BAND 12. N:0 3. 



funnen i Finland (Meddel. af Soc. pro fauna et flora fen- 

 nica, h. 35, 1909)! 



IV. Spectabilia. 



T. ceratolobuin n. sp. 



Folia laete viridia, longa^longissima, angusta, mul- 

 tiloba (usque ad 9 — 10-loba), subtus parce, supra sparsim 

 araneosa, saepe in angulis loborum et interdum passim secus 

 nervum medianum ± fusco-purpurea, petiolis latiusculis ± 

 alatis, pallidis v. medio ssepe striate roseolis, nervo mediano 

 pallido v. inferne, rarius usque ad medium roseolo, extima 

 linearia, late et breve lobata, lobis deltoideis retroversis, in- 

 ferioribus in margine superiore denticulatis, superioribus 

 integris, lobo terminali sagittato — ^triangulari, parvo, acuto, 

 integro, exteriora et intermedia linearia — anguste lineari- 

 lanceolata, multiloba, nunc fol. extimis similia, nunc lobis 

 latis — latissimis, liumilibus, margine superiore, ±convexo — sub- 

 recto, apicibus brevibus — mediocribus, acutis, ± retroversis, 

 v. mediocribus — sat longis, magis patentibus, acutis — acutissi- 

 mis, margine superiore in lob. infer, minus, in lob. super, magis 

 convexo, parce — creberrime et longe subulato — dentato v. in 

 superiore parte folii ± integro, lobo terminali sagittato — has- 

 tato, mediocri latiore — sat evoluto angustiore, integro, lobu- 

 lis lateralibus retroversis — sat patentibus, intima florendi tem- 

 pore ut plurimum non evoluta, ± obovato-lanceolata, lobis 

 longioribus, crebre dentatis, lobo terminali ± longo, latiusculo, 

 plerumque sagittato, rarius hastato, inferne ± crebre dentato, 

 superne integro. 



Scapi quam folia breviores, rarius iis longiores, ± vinose 

 colorati, subglabri v. parce araneosi, superne saepe magis 

 araneosi. 



Involucrum breve, crassum, sat Isete viride, basi ± la- 

 te o vata. 



Squamce exteriores laxe — arete adpressse, margine sat 

 late — latissime et (prsesertim inferne) pallide marginatse, dorse 

 sat obscuro et superne ssepe ± purpurascente, ± ovatse, su- 

 periores ± ovato-lanceolatse ( — lanceolatse), obtuse acumi- 

 natse, apice ssepius et superne secus margines ssepe ± dilute 

 — sat obscure purpureae; interiores Isete virides, ± lineares, 

 in apicem sat angustum, purpureum sensim attenuatse. 



