— 60 — 



integerrima v. denticulata v. ± dentata subglauca saepe sublutescentia rarius dilute viridia 

 mollia V. subrigidiuscula; caulinum — 1 inconspicuum, rarius 2 — 3 evoluta. Inflorescentia 

 furcata v. altefurcata; acladium 3 mm usque ad ^/s totius caulis pertingens, rami primarii 

 1 — 3 tenues v. crassiusculi saepissime valde remoti monocephali rarius simpliciter ramosi, 

 capitula (1 — ) 2—3 (rarissime 3 — 6). Involucrum 10 — 15 mm longum initio plerumque 

 ovatum demum saepissirae ventricoso-globosum, squamae angustae v. sublatiusculae pleraeque 

 acutissimae nigrae immarginatae rarius dilute submarginatae saepissime apice subbarbulatae. 

 Pili in involucro modice numerosi v. densi obscuri v. albidi interdum nigri, caulis basin 

 versus tantum subpilosus v. utrimque mediocriter pilosus, folia utrimque modice v. ± dense 

 pilosa. Glandulae in involucro modice numerosae v. densae rarius sparsae v. nullae, in 

 pedunculis ± densae v. densissiniae ± nigrae, rarius sparsim evolutae, in caulibus fere usque 

 ad basin descendentes sed infeme valde deminutae, interdum nuUae. Flocci involucri nulli 

 V. dispersi, pedunculi canotomentosi, caulis saepe usque ad basin deminute floccosus, folia 

 fere semper effloccosa. Flores varie lutei, ligulae apice glabrae; stylus ± obscurus; achaenia 

 dilute rubro-brunea v. castanea 2,8 — 3,5 mm longa. 



In alpibus elatioribus 2000—2600 m. — FI. Jul.-Aug. 

 Dispositio gregum: 



a. Leucochlorum Zahn, in Koch Syn. (1901) p. 1807; — silvatioum-pilif erum. Involucrum 

 dense albo- v. griseo-pilosum fere eglandulosum. 



b. 'Dstulatum Zahn 1. c. p. 1806; = silvaticum-glanduliferum. Involucrum mediocriter 

 v. dense et obscure v. nigro-pilosum, sat dense glandulosum. Pedunculi saepissime densissime 

 nigro-glandulosi. 



a. Leucochloruni. 



Subspecies leucochlorum A.-T., Monogr. (1873) p. 28; Hier. alp. fr. p. 38; H. piliferum 

 2) leucochlorum A.-T., Ess. classificat. (1880) p. C; H. cirritum ssp. leucochlorum N. P. II 

 p. 261. — Caulis 10 — 20 cm altus usque ad basin pilosus et subfloccosus, saepe caulis 

 lateralis evolutus. FoUa rosularia lanceolata subpetiolata integerrima v. remote denticulata acuta 

 utrinque sat dense pilosa (3 — 5 mm); caulina 2, inferius lanceolatum summiim inconspicuum. 

 Acladium 10 mm — 1/2 totius cauhs, ranii priraarii — 2, capitula 1 — 3. Involucrum 

 11 — 15 mra longum, squamae angustae acutissimae subnigrae densissime villosae in margine 

 parce v. mediocriter floccosae ± eglandulosae. Pedunculi albido-tomentosi saepissime sparsim 

 glandulosi mediocriter pilosi. Stylus obscurus. 



Delphinatus et Sabaudia: Mte Viso, Lautaret, Hte Maurienne, Mt. Cenis (A.-T.); 

 Haut de Veron (Briquet). Helvetia: Morcles (Schleicher!), Nant supra Bex (Muret), Croix 

 de Javernaz, Grandvire (Favrat), in v. Bagnetal: La Liaz (Miller), Gd.-Chennoutagne (A.-T.), 

 V. d'OIIomont (Besse), Gd. St.-Bernard (Wolf), in v. Saastal: Matmar, Schwarzenbergalpe 

 (BernouUi), BricoUa: Glacier de Salai (Besse), Zwischbergen (Briquet), Biuntal (Mur.), Halbi- 

 horenpass (Cheuevard), Bosco (Baer), V. Piora (BernouUi), Lukmanier (Muret), Piz UceUo 

 (Bruegger). Tirolia: Inter iugum SeUa et iugum RodeUa (A. et K. Touton), Plaetzwiesen 

 inter Prags et Schluderbach (idem). — Pedemontium: in vallibus p. Aosta: Cogne: Alpe 

 MontU (Wolf), Cogne-St. Marcel (WUczek); Gressoney-Col d'OIen (idem); VaUon de BreuU 

 (Vaccari). 



Variat: 1) longlpllum N. P. II p. 262. Pili in involucro et in caulibus 4 — 5 mm 

 longi, folia saepe elliptico-Ianceolata remote serrato-denticulata. — In v. Bagnetal: Torrembec, 

 Simplon (Wolf); in m. Valserberg supra Hinterrhein 2000—2275 m (Naegeli). 



