— 172 — 



subJensius pilosa, pilis 1 — 2,5 mm, inpetiolo 2 — 4 mmlongis, praeterea in margine tenuiter sub- 

 glandulosa, effloccosa, exterioraelliptico- v. oblongo-spaUiulatarotundata v. obtusa, saepe mucro- 

 nata, denticulata v. irregulariter dentata in petiolum anguste v. late, basi latissime alatum subcito 

 sensimve angustata, interiora magis elongata oblongo-lanceolata subspathulata v. lanceolata 

 acutioraque saepe ± plicata, in petiolum longe sensim angustata, crebro (ut in II. Ualleri 

 Vill.) dentata v. grosse irregulariterque dentata, dentibus subangustis apice glanduliformibus 

 saepe iu petiolum descendentibus; caulina 1 — 2, inferius lauceolatum dentatum v. grosse 

 dentatum, summum liueare, in nervo dorsali subfloccosum. Acladium 'j — */i totius caulis 

 exhibens, capitula 1 — 2, secundum saepe abortum, pedunculi 1 — 3 bracteis linearibus elon- 

 gatis saepe subfoliaceis obsiti. Involucrum semiglobosum denique depressum 12 — 15 ( — 16) mm 

 longum obscunim, subdense pilosum, pilis apice canescentibus basi atris, 1 — 2 ( — 3) mni 

 longis, mediocriter glandulosum, effloccosum. Squamae angustae acuminatae acutae v. acu- 

 tissimae atrae v. atrovirides, interiores saepe subdilutius subraarginatae. Flores saturate lutei, 

 ligulae apice mediocriter pilosae, stylus subater. 



Inter ssp. rhaeticutu Fr. et H. alpini ssp. Halleri intermedium. 



Variat: 1) normale Zahn, caule involucroque brevius piloso, 1 — 2 mm. 



a) verurn Zalin, foliis utrimque subpilosis, squamis angustis acutis v. acutis- 

 simis subatris. — In alpibus supra Bex Helvetiae: Boellaire inter 

 Pont de Nant et Anzeindaz (Wilczek), Plateau de FuUy (Ducommun) 

 haud raro, Pointe de Savoleyres supra Frenieres 2050 m (Bemoulli), 

 Gorges d'AIesse, Haut d'AIesse (Muret), Creux de Dzeman (Favrat). 

 Anzeindaz (Muret), Paneyrossaz (Schleicher); in iugo Albula (Cottet). 

 Habitus saepe ut in H. lacero Reut. 



b) calvescens Zahn, foliis praecipue exterioribus supra subtusque glabrescenti- 

 bus. — Helvetia: In iugo Simplon versus Schienhorn, Blattalpe in v. Binn- 

 tal (Touton), Col des Pauores supra Oussannaz pr. Bex (Wilczek); 

 Helvetia australis: In alpeGiovo et in m.Cima diCugnone 18 — 1900 m 

 (Chenevard). 



c) havaricum Zalm, foliis utnmciue subpilosis, squamis sublatiusculis, ligu- 

 lis dilute luteis apice disperse sparsimve pilosis. — Algovia: Gottes- 

 ackerwande (VoIImann). 



2) belliaeris Zahn, caule involucroque subdensius longiusque piloso minus 



glanduloso. — La Boellaire supra Pont de Nant (Wilczek), Les Gorges 



d'Alesse (Muret). 



Tab. 185, Fig. A. 1 — 3. H. nigrescens Willd. ssp. pseudorhae.ticum 1) normale b) cul- 



vescens Zahn (forma monocephala, e valle Binntal, leg. Touton). 1. Squama. 2. Pedunculus 



sub involucro. 3. FoUorum margo. 



1* Caulis plerumque bicephalus. 



Subspecies rhaeticiforme Zahn (1903), in sched. herb. uuivers. German. Pragae. 



Rhizoma saepe pluricaule et rosuUs nonnuUis praeditum. CauUs 10—20 (—25) cm altus 



gracilis, infeme piUs ad 5 mm longis dilutis sat densis, superne obscuris mediocriter nume- 



rosis 3 mm longis obsitus, ubique subglandulosus sat denseque floccosus, supeme (pedunculi) 



sat dense longeque glandulosus obscure canus. Folia radicalia numerosissima interdum ad 



lOcmlongaoblongo-Ianceolatav.Ianceolata breviter acuminata acutiuscula v. longius acuminata 



