— 89 — 



floccosis, nec dense stellatis. Grex Vulgatifolmm transitum inter H. Bemianum et H. caesii 

 gregem Davallianum sistere videtur. 



Dispositio gregum: 



a. Evergianum Zahn. Acladium 4—9 (—15) cm longum, involucra maiora 13 — 16 mm longa, 

 pariter ac caulomata densius longiusque pilosa. Formulae Murrianum - vulgatum respondens- 



b. Baizianum Zahn. Acladium 1—3 (—5) cm longum, involucra 10—13 mm longa, pariter ac 

 caulomata pilis brevibus sat densis v. mediocriter numerosis obsita, eglandulosa v. glandulis 

 nonnuUis praodita. Formulae Trachselianum-vulgatum respondena. 



c. Vulgatifolium Zahn. Habitus H. vulgati. Acladium 1—3 cm longum, involucra 10—12 mm 

 longa breviter subpilosa sparsim mediocriterve glandulosa, caulomata sparsim pilosa supeme 

 (pedunculi) mediocriter glandulosa. Formulae incisum-vulgatum respondens. 



a. Eversianum Zahn. 



Subspecies Eversianum A.-T., in litt ad J. Murr (1895) et apud Murr, in Deut. bot. 

 Monatsschr. (1897) p. 282; Zahn, in Koch Syn. (1901) p. 1798; H. incisum ssp. Hittense 

 -vulgatum ssp. lonchodes. Caulis 30 — 40 cm altus, infeme sat dense pilosus, supeme 

 subpilosus subfloccosus, apice liinc inde glandulis solitariis praeditus. Folia rosularia sat 

 magna, exteriora minora ovata aut florendi tempore emarcida, reliqua late ovato-lanceolata 

 V. oblongo- lanceolata ± sensim in petiolum angustata subacuminata acuta, remote irregula- 

 riterque et saepe grosse acuteque dentata, caulina 1 — 2 ( — 3) late lanceolata v. lanceolata, 

 inferius radicalibus saepissime simile, reliqua acutiora fere subpetiolata serrato-dentata, summum 

 saepe elongatum bracteiforme, omnia supra brevissime disperseque pilosa v. glabrescentia, 

 subtus subpilosa, in nervo dorsali et in petiolo sat longe subvillosa, in margine sat dense 

 ciliata, subglaucescentia vel plerumque obscure viridia, summa in nervo dorsali saepe sub- 

 floccosa. Inflorescentia alte furcata 1—7 cephala, acladium 4 — 9 (—15) cm longum, rami 

 primarii 1 — 2 valde remoti 1 — 2 ( — 4) cephali, involucrum 13 — 15 mm longum globoso- 

 ovatum, squamae saepe subangustae longe acuminatae ± acutae obscurae v. atrovirides 

 dilutius marginatae, sat dense obscureque pilosae, 1,5 — 2,5 mm, disperse mediocriterve 

 glandulosae et praesertim in margine subfloccosae. PeduncuU mediocriter glandulosi et pilosi, 

 pilis obscuris 2 — 3 mm longis, obscure canotomentosi. Flores aureolutei conspicui, ligulae 

 apice saepe distincte subciliatae, stylus obscurus. 



Habitus H. divisi, characteres ut in H Hittensi Murr; etiam formis quibusdam H. atrati 

 haud dissimile. In iugo Arlberg prope Stuben (Evers 1883). 



Tab. 76, H. Benzianum M. Z. ssp. Eversianum A.-T. (e Stuben sub iugo Arlberg, 

 leg. J. Murr). 1. Squama exterior. 2. Squama interior. 3. Pedunculus sub involucro. 

 4. Dentes ligularum. 



Huc pertinet etiam H. ctenodontoides Zahn, in Koch Syn. (1901) p. 1821. Habitus 

 H. dentati, capitula minora, dense pilosa, pariter ac pedunculi sparsim glandulosa, folia ut 

 in H. dentato v. pauhj maiora ± grosse dentata, cauUna 2 — 5 basi angustata, more H. vulgati 

 usque supra medium dentibus antrorsum versis serratodentata, summa subtus in nervo mediano 

 subfloccosa. — Hab. Helvetia, Tirolia, Carinthia. — Verosimiliter formulae divisum-villosum 

 respondens. 



b. Benzianum Zahn. 



Subspecies Benzianum M. Z.; 77. vulgatum > villosum Zahn I. c. Caulis tenuis 

 disperse albidopilosus. Folia rosularia 2—4 longe petiolata elliptico- v. oblongo-lanceolata 

 denticulata v. breviter serrato-dentata tenuia glaucescentia sublutescenti-viridia, ad summum 



Icon. Fl. Germ. XIX, II. 12 



