— 178 — 



d) macrocephalum Zalin 1. c, involucris ad 14 mm longis late ventricosis. 

 — Valsorey et Findelental (Schleicher); an propria subspecies? 



2) angustifolium Zahn, in Schinz et Keller, Fl. d. Schweiz, ed 2 II (1905) 

 p. 314; Hierac. d. Schw. p. 387. Folia fere omnia angusta grosse dentata. 

 — In iugo Simplon: prope hospitiura (BernouUi), Sirwolten (Besse), Langen- 

 tal in valle Eginen (Kneucker). — Forma stylosa huius subvariationis: in 

 iugo Simplon (Favre). 



3) subsilvaticum Zahn, in Schinz et Keller 1. c. Folia radicalia maiora 

 elliptica v. obovato-spathulata; ergo habitu H. silvatico magis simile. — 

 Simplon (Favrat). 



Tabula 142. H. nigrescens Willd. ssp. rhaeticum Fr. 1) normale a) verum Zahn (Ad 

 meridiem glaciei Rhonegletscher in declivitatibus infra viam, legi ipse). 1. Dentes ligularuui. 

 2. Squama. 3. Pilus squamarum. 4. Pedunculus sub involucro. 5. Portio e caulis raedio. 

 6. Foliorum margo. 



Subspecies subneglectum Zahn; ssp. rhaeticum var. /?) subneglecfum Zahn, Hierac. d. 

 Schweiz (1906) p. 387; H. ncglectum A.-T., in J. Briquet, Herboris. Tyrol merid., Bull. herb. 

 Boiss. I p. 479; nec Norrl., Meddel. Soc. Fl. Fenn. ffl (1878) p. 65. — Caulis ad 25 cm altus 

 gracilis sat dense pilosus, 1,5 — 3 mm, superne dense, basin versus sat dense floccosus, superne 

 sparsim glandulosus. Folia rosularia plerumque sat magna et sat longe tenuiterque petiolata, 

 sublutescenti-viridia, ubique sat dense denseve pilosa, pilis 1 — 2,5 mm longis albidis mollibus, 

 praecipue in margine disperse minuteque glandulosa, effloccosa, exteriora minora ovata, 

 media elliptica v. oblonga obtusa, intima oblongo-lanceolata acutiuscula saepe plicata, omnia 

 basi subito in petiolum contracta v. cuneata, in petiolum dense albovillosum brevius longiusve 

 decurrentia, irregulariter saepeque grosse dentata, a medio ad basin dentibus apice glanduli- 

 formibus heteromorphis et varie longis munita, rarius brevius petiolata; caulina 2 ( — 3), 

 inferius lanceolatum, utrimque, basin versus saepe longius attenuatum, alato-subpetiolatum, 

 dentatum vel basin versus grosse dentatum, proximum auguste lanceolatum saepe integer- 

 rimum, subtus sparsim, vel in nervo dorsali tantum ± floccosum, summum lineari-lanceolatum 

 V. bracteiforme. Inflorescentia altefurcata, acladio 10 — 50 mm (ad ^l^ — '/i totius caulis) 

 longo, rarais primariis (0 — ) 1 — 2 ( — 3) valde remotis saepissime monocephalis, capitula 

 (l — ) 2 — 3 ( — 6). Involucrum 9 — 11 mm longum semiglobosum, denique late depressura. 

 Squamae angustae plerumque longe acuminatae acutae v. acutissimae, obscurae, fere imniar- 

 ginatae, pilis apice albidis ad 2 mm longis sat dense villosae, apice subbarbulatae, disperse 

 minuteque glandulosae, basin versus sparsim floccosae. Pedunculi sat dense pilosi, 2—3 mm, 

 breviter suljglandulosi dense canotomentosi. Ligulae apice subciliatae. Stylus initio saepis- 

 sime subluteus. 



H. rhaetico affine, sed diifert foliis densius pilosis subvillosis, glandulis ubique minus 

 numerosis, involucris subvillosis, squamis acutioribus, exterioribus tantum interdura rainus acutis. 



Helvetia australis: Corte al Metto-Zotta, Passo di Porcareccio iu v. Vergeletto, 

 Mte Ghiridone (Chenevard), in m. Camoghe (Jaeggli); Tirolia: in iugo Schliisseljoch iuxta 

 iugum Brenner (Harz), in iugo Sella supra Campitello (Briquet). 



Tab. 141. B. 5 — 6. H. nigrcscens Willd. ssp. subneglectum Zahn (e iugo Schliisseljoch 

 leg. Harz). 5. Squama. 6. Pedunculus sub involucro. 



Subspecies nigrescens Willd. I. c; Zahn, in Koch Syn. (1901) p. 1845; H. alpinum 



