732 BULLETIN DE L'HERBIER BOISSIER. (16) 



+ pubescenti-pilosa, prsesertirn inferne cuspidato-dentata, basi in 

 petiolum contracta, caulinum brevius. — Junio-Julio. 



Dania : in promontorio insulae Mona? legit Th. Holm., 1887 (sub 

 nomine Hier, cœsii Fr.). 



Hieracium Wilczekianum Arv.-T., Catal. et in herb. Wilczek! 



Phyllopodum, laete vel subglaucescenti-viride; caulis 3-4 decim. cir- 

 citer altus, subscaposus, remote 2-4 phyllus, glabrescens vel + pubes- 

 centi-pilosus, apice vel a medio vel rarius infra furcato-ramosus, oligo- 

 cephalus; ramis pedunculisque + elongatis, ascendente-erectis, cum 

 involucro canofloccosis et subeglanduloso-pilosis; periclinium médiocre 

 vel sat magnum, centimetrale et amplius, basi rotundato-ovoideum (in 

 vivo, maturum, turbiniforme), squamis attenuato-acutis ; receptaculum 

 fibrilloso-dentatum; ligulas dentibus glabrse, stylo vulgo bruneo; ache- 

 nia matura e badio-atrata, 3 millim. longa; folia margine subtusque in 

 nervis piloso-hirsuta, inaequaliter sinuato-dentata vel denticulata pas- 

 simve prsecipue medio subserrato-dentata; radicalia vulgo dense rosu- 

 lata, ovata vel lanceolata, basi subrotundata vel cuneiformi subdeltoidea, 

 in petiolum angustum hirsuto-pilosum, + elongatum contracta vel atte- 

 nuata; caulina. 2-4, remota et valde decrescentia, elliptico-lanceolata in 

 petiolum cuneiformem attenuata, vel sublineari-lanceolata, in bracteas 

 vel squamas sub pedunculis vel periclinio abeuntia. 



Helvetia : canton de Vaud : Ormonts, alt. 2100 hl, Aug. 1893, legit 

 Wilczek, — vallon de Nant, Alpes de Bex, Aug. 1895, legit Wilczek. 



Sect. PKENANTHOIDEA Koch, Arv.-T., 1. c. 



Gr. Rapunculoidea A.-T. inéd. (Grex iste, in Pulmonaroideis, aequo jure ac 

 in Prenanthoideis collocari potest.) 



Hieracium centaureifolium Arv.-T. 



Ab Hier, rapuncidoide A.-T. Hier. Alp. franc., p. 87, cujus habet 

 prEecipuos characteres, achsenia matura atrata, ligulas dentibus glabras 

 vel ciliatas, folia caulina sessilia, subamplexicaulia vel in petiolum sub- 

 vaginantem attenuata, caulem hypophyllopodum et cui valde affine, 

 differt : ligulis + ochroleucis, periclinio minore et minus rotundato, caule 



