— 165 - 



raiius longius acuminata, liaud raro mucronata et ± plicata, reniote denticulata v. praecipue 

 basin versus ± grosse dentata v. sinuato-dentata, rarius subintegemnia, v. pluridenta, den- 

 tibus apice glanduliformibus interdum in petiolum descendentibus, + sordide, rarius dilute 

 viridia, sat mollia v. rigidiuscula; caulina plerumque — 3 cito decrescentia, inferius radi- 

 calibus interioribus siniile, + petiolatum, saepe grosse dentatuni, v. omnia + lanceolata v. 

 summum lineari-lauceolatum v. longe subulatum. Infiorescentia monocepliala v. + furcata 

 suprafastigiata indeterminata oligocephala. Acladium breve v. ad f) cm longum v. ad i/, 

 totius caulis exhibens, interdum nonnulli caules laterales evoluti; ranii primarii nulli vel 

 1 — 2 ( — 4) evoluti + arcuato-ascendentes fere semper monocepbali. Involucrum 10 — 15 mm 

 lougum, rarius longius, globoso-ovatum basi rotundatum denique (interdum late) depressuni 

 saepeque ventricosum; squamae conformes, exteriores saepe sublaxae, rarissime subfoliaceae, 

 omnes fere regulariter imbricatae, latiusculae v. angustae, obtusiusculae v. acutiusculae v. 

 acutae, interdum acutissiiuae, apice saepe + barbulatae, obscurae v. atrae v. atrovirides, saepe 

 dilutius submarginatae. Bracfceae 1 — 3 parvae, rarius inf^niores subfoliaceae. Pili in invo- 

 lucro numerosi v. sat densi, + canescentes v. obscuri, basi atri, 1,5 — 3 mm longi, caulomata 

 disperse v. + dense pilosa, 1,5 — 3 ( — 4) mm, folia in margin*^ nervoque dorsali pariter ac 

 in petiolo dense mediocriterve pilosa, 2 — 5 mm, rarius + calvescentia, utrimque + disperse 

 mediocriterve, rarius densius pilosa, pilis mollibus v. subrigidiusculis interdum brevibus. 

 Glandulae in invulucro pedunculisque niodice numerosae v. sat densae, saepe breves, caulis 

 basin versus deminutae, sed plerumque usque ad basin descendentes, in foliorum raargine 

 (etiam in nervo dorsali petioloque) subnumerosae v. dispersae saepe sat parvae, sed semper 

 sub lente bene observandae. Flocci in involucro nulli v. dispersi, rarissime subnumerosi. 

 pedunculi obscure cani v. subcanotomentosi, caulis plerumque usque ad basin deminute flocco- 

 sus, haud raro subincanus, folia effloccosa v. saepe in nervo dorsali subfioccosa, v. interdum 

 praecipue caulina etiam in tota parte aversa disperse rarius modice floccosa. Flores saepis- 

 sime dilute lutei. extus plerumque parum pilosi, ligulae apice + ciliatae v. interdum bre- 

 viter subpilosae, stylus obscurus v. niger, achaenia atra. 



Hab. in area geographica H. alpini, sed fugit summa loca huius .speciei. — Flor. 



luL. Aug. 



Dispositio gregum: 



a) Decipiens Zahn, in Koch Syn. (1901) p. 1843; Hierac. d. Schweiz (1906) p. 382. H. alpino 

 proximum. Folia lanceolata v. lanceolato-spathulata longe sensimque in petiolum ± alatum 

 angustata, raiius latiora et ± cito in petiolum contracta. Caulis monocephalus vel furcato 

 _2 ( — 3) cephalus, acladium ('/5—) '/4— V2 (— Vi) totius caulis exhibons. Capitula saepe 

 maiora. — Ssp. subpumilum, pseudohalleri, leontodontoides, decipiens, dubiosum, pseudodeci- 

 piens, cochleare, reichartense, subzinkenense, Sagorskii, pseudorhaeticum, rhaeticiforme, nigres- 

 centiforme, valpiorae, sphaerocalathium , niviniontis, subeximium, bructerum, subrhaeticum. 



b) Nigrescens Zahn I. c. H. silvalico magia affine, ergo inter grogem Decipiens et H. atratum 

 Fr. intermedium. Folia ± cito v. subito in petiolum contracta plerumque latiora, late lanceo- 

 lata V. oblonga, rarius angustiora sensimque angustata. Caulis oligocephalus (1 — 4) alte- 

 furcatua, acladio brevissimo v. ad 5 cm ( — '/4 totius caulis) longo. Capitula plerumque minora. 

 — Ssp. rhaeticum. stellulatuui, subneglectum, nigrescens, stiricolum. 



a) Decipiens Zahn. 



1. Caulis fere semper -monocephalus. 



Subspecies subpumilum Zahn, in Schinz et Kell., FI. d. Schweiz ed. 2 II (1905) 

 p. 313; Hierac. d. Schweiz (1900) p. 382; ssip. pseudohalleri a) subpumihim Zahn, in Koch 



