5.x. 1907. Brenner, Några Taraxacum officinale-former. 23 



rati, plus minusve araneo-villosi - — subglabri, raro glabri; ca- 

 pitula mediocria — majora, dense angustiflora, plena, vulgo 

 convexa; autherae polliniferae; squamae involiicelli sat 

 angustae — angustae, subulatae, sigmoideae, patentes vel re- 

 curvae — reflexae; achenia testaceo-olivacea, costata, rugosa, 

 apice muricata, 3 mm longa, 0,5 — 0,75 mm lata, appendice 

 distincta 1 mm longa. — DifFert a T. interrnpto Dahlst. proximo 

 praesertim forma Ibliorum indumentoque. In serie formarum 

 poUiniferarum T. officinalis inter a genuinum Koch et T. me- 

 dicins Brenn. {T. intermedium Raunk.) intermedium. — In lo- 

 cis cultis, graminosis, ad rudera, vias plateasque Helsingforsiae 

 et par. Ingå Nylandiae legit auctor. 



T. gibbiferum Brenn. in Medd. af Soc. pro F. & Fl. Fenn. 

 16, p. 112, ex p. Mediocre — sat elatum; folia tenuia, griseo- 

 viridia, petiolis rufescentibus, vulgo plus minusve griseo ara- 

 neo-villosa, scaberula, lingulata — anguste lanceolata, pinnati- 

 partita, lobo terminali triangulari — sagittato, laciniis forte 

 reversis — patentibus, vulgo contiguis, latius vel angustius brevi- 

 ter triangularibas — subsemilunaribus, integerrimis vel breviden- 

 tatis, folia intima interdum obovata_vel obovato-lingulata, basin 

 versus reverso-serrata vel laciniata, lobo terminali magno ovato 

 basi sagittata — subhastata, margine repando, vel irregulari- 

 ter hastato; scapi erecti vel adscendentes, virescentes vel vi- 

 nose-colorati, plus minusve araneo-villosi — subglabri; capitula 

 magna, angustiflora, vulgo radiantia ligulis denique canalicu- 

 latis; antherae polliniferae; squamae involucelli anguste 

 subulatae, sigmoideae, reflexae, rarius solum recurvae vel non- 

 nullae patentes; squamae involucri apice gibbiferae; ache- 

 nia olivacea, costata, rugosa, apice spinulosa, 3 mm longa, 

 1 mm lata, appendice distincta 0,5 mm longa. — Habitat in 

 iisdem locis ac T. apicatum, a quo praecipue capitulis denique 

 saltem, vulgo longe radiantibus squamisque involucri gibbiferis 

 differt. Quoad squamas involucelli inter T. o/ficinale a gemii- 

 num et T. apicatum medium tenens. 



T. uncinatum Brenn. 1. c. p. 112 & 113 ex p. Humile — 

 mediocre; folia tenuia, obscure viridia petiolis virescentibus 

 vel saepius obscure rubris, breviter parcipilosa — subglabra, 

 obovato-lingulata brevidentata basin versus incisa — sublaci- 



