— 308 — 



Caulis ad 100 cni altus, gracilis v. crassus, erectus, substrictus v. subflexuosus, sub- 

 inollis V. rigidus, striatus, aphyllopodus, pariter ac foiia rubro- v. violaceo-coloratus. Folia 

 caulina 15 — 30 v. compiuria, saepe ± magna, aequaliter disposita v. in caulis infei-iore parte 

 niagis appropinquata v. dense conferta, sensim decrescentia, supra medium saepe cito deminuta, 

 ima basi subpetiolata sed florendi tenipore plerumque emarcida, inferiora basi subangustata 

 sessilia et sub- v. semiamplexicaulia, oblonga v. oblongo-ianceolata, media consimilia v. pariter 

 ac superiora basi ± lata v. subcordata sessilia semiamplexicaulia, lanceolata, oblongo-lanceo- 

 lata V. elliptica, omnia acuminata ± acuta, summa e basi ovata lanceolata et ± longe acu- 

 minata, denticulata v. dentata, basin versus saepe serrato-dentata, raro subintegerrima, obscure 

 V. dilute viridia, subtus pallidiora et indistincte reticulato-venosa, mollia v. ± coriacea. 

 Inflorescentia paniculata ± determinata v. saepius indeterminata, squarroso-ramosa, ramis 

 (2 — ) 7 V. numerosis, inferioribus longis oblique patentibus virgatis foliosis 2 ( — 3)-pIiciter 

 ramulosis. Acladium 20 — 25 ( — 35) mm longum; capitula 15 vel numerosa, rarius pauca 

 tantum evoluta, interdum pro maxima parte aborta. Involucrum 9 — 10 mm longum crasse 

 v. globoso-ovatum, denique truncatum. Squamae sublatiusculae obscurae v. subvirides, dilute 

 V. pallide viridi-marginatae , obtusae, saepe rubro-coloratae. Bracteae 3 — 5. Pili in invo- 

 lucris pedunculisque vix solitarii, in ramis dispersi v. subdensi, diluti, in caule deorsum 

 numerosiores, infra medium densi v. densissimi, 1 — 3 mm, in foliis utrimque subnumerosi 

 V. subdensi breves, in margine nervoque dorsali densiores longioresque, interdum in parte 

 superiore vix dispersis. Glandulae in involucris pedunculisque subdensae v. dispersae, interdum 

 densissimae, plerumque parvae, in caulomatibus deorsum deminutae, usque ad medium des- 

 cendentes, in foliorum marginibus solitariae minutissimae. Flocci involucri dispersi v. sub- 

 densi, pedunculi cani, caulis saepe fere usque ad basiu floccosus, folia superiora in parte 

 aversa subfloccosa, reliqua parce- v. in nervo dorsali tantum subfloccosa. Flores plerumque 

 saturate lutei, ligulis apice vix v. breviter ciliatis, stylis subluteis v. plerumque ± obscuris. 

 Achaenia dilute v. rubro-brunnea. Alveoli margine fibrilloso- (v. interdum subglanduloso-) 

 dentati. — Flor. Aug. — Sept. 



Delphinatus, Pedemontium, Helvetia, Jurassus, Vogesi, Silva Nigra. 



In Hier. Schweiz 1906 p. 537 3 greges distinxi: 



a. Pseudovalesiacum Zahn. — H. sabaudo proximum. 



b. Lycopifolium Zahn. — Inter H. sahaxidum et H. prenanthoides intermedium. 



c. Bifrons Zahn. — H. prenanthoidi magis affine. 



Subspecies trichoprenanthes Zahn, H. d. Schweiz 538; H. bifrons (i trichoprcnanthes 

 Zahn, Koch Syn. (1901) p. 1921 (e grege Lycopifolium Z.). Caules foliaque dense pilosa, 

 caule infra medium dense viUoso, 2 — 4 mm. Folia margine nervoque dorsali densissime 

 pilosa, 1 — 2 mm. Involucrum subdense floccosum, pariter ac pedunculi cani subglandulosum 

 et subpilosum. Stylus obscurus. 



Pedemontium: Vieyes, Valsaravanche (Wilczek), Mt. Cenis pr. Aosta (Besse). 

 Helvetia austro-occidentalis: Marl Sapin supra Aigle (Jaccard), Orsieres (Lagger), Mt. Chemin 

 (Besse), Lavey (Favrat). 



Tab. 285. E. lycopifolium Froel. ssp. trichoprenanthes Zahn (Mt. Chemin, leg. Besse). 

 1. Squama. 2. Pedunculus. 



Subspecies bifrons A.-T., Monogr. (1873) p. 46; H. AIp. fr. 97; Zahn, H. d. Schw. 

 p. 539; H. vallesiacum A.-T., Soc. Dauph. no. 2531. — Folia elliptico- v. oblongo-Ianceolata, 



