— 20 — 



11. Divisum. 



Subspecies Pollichiae Sohultz-Bip., in Osterr. l)ot.. Wochenl.liitt (1853) p. 247, F. Schultz, 

 Archives deFlore (1854— 1809) p. 22 et 232; H. praaox oaydonloidvs Sch.-Bii^., in PollichialX 

 (1851) p. 40; H. p(dlesccns var. Pollichiae Aiy.-Tou\., in Hierac. Alp. fran^. (1886) p. 84; 

 H. divisim ssp. divisum subvar. Pollirhiae Sudre, in Hierac. Centr. France (1902) p. 69. — 

 Caulis 40 — 50 cni altus crassiusculus, inferne subviolaceus dense et raoUiter pilosus subvillosus, 

 superne subpilosus subeglandulosus parce floccosus, saepe angulato-striatus. Folia radicalia 

 c. 4 satis longe petiolata, obovata-spathulata v. ovalia v. elliptica, apice rotundata obtusa 

 aut acutiuscda, basi ± attenuata et in petiolum ± decurrentia, supra glabra glaucescentia, 

 dilute- et sublutescenti-viridia, subtus pallidiora, in margine et subtus praecipue in nervo 

 dorsali et in petiolo submoUiter subdenseque ciliata, acute dentata apicem versus denticulata; 

 caulina 1 — 2 ( — 3) remota sat magna, radicalibus similia saepe magis dentata, in petiolum 

 brevem alatum contracta. Inflorescentia valde supraf astigiata , (1 — ) 5 — 10 ( — 15) cephala, 

 acladium ad 30 (—40) mm longum, rami primarii (1—) 2—3 (—4) remoti valde elongati 

 oblique erecti, ordines axium 4; involucrum 10 — 12 mm longum ovatum demum basi trun- 

 catum depressum, obscurum, squamae subangustae attenuatae acutiusculae intimae acutae, 

 dorso obscurae margine olivaceo-virides, fere effloccosae, glandulis sat numerosis et pilis 

 longioribus spai-sis v. subnumerosis sordide albidis v. subobscuris vestitae, pedunculi multi- 

 flocci V. leviter tomeutosi, dense glandulosi subpilosi. Flores dilute flavi, stylus demum ob- 

 scurus, ligulae apice fere semper glabrae, achaenia matura atra. 



Crescit in castanetis et ad silvarum margines Germaniae australis: Palatinatus, 

 inter Neustadt et Durkheim (loc. class.), Alsatiae sup., in collibus subsilvaticis pr. Barr!, in 

 Gallia centralis. — Floret Maio-Jun. 



Variat: 1) normale. Folia supra glabra. 



a) verum. Folia immaculata. Palatinatus. 



b) submaculatum. Folia supra leviter maculata. Palatinatus, Gallia centralis. 

 2) viresccns Zahn, in Koch Synops. (1901) p. 1786. Folia supra praecipue 



margiuem versus subpilosa v. pilis parum numerosis obsita. Palatinatus, 

 Alsatia. 



Exsiccata: F. Schultz, Herbarium normale, cent. I no. 97! 



Tab. 18. 1—3. H. divisum .Jord. ssp. PoUichiae Sch.-Bip. 1) normcdc a) verum (e 

 monte Waldberg supra Deidesheim, Palatinatus, leg. ipse). 1. Squama. 2. Pedunculus sub 

 involucro. 3. CauHs portio. 



IV. Arenarium. 



Sub.species arenarium Schultz-Bip., in PoUichia XIII (1855) p. 23, F. Schultz, Archives 

 de Flore (1854—1869) p. 22 et 232; H. caesium maculatum Sch.-Bip., in PoUicliia X (1852) 

 p. 24 et 28; H. vulgatum-murorum F. Schultz 1. c. p. 22; H. pallescens c) arenarium Arv.-T., 

 Hierac. Alp. fran^-. (1886) p. 84; H. praecox-vulgatwn Zahu, in Koch Synops. (1901) p. 1786; 

 H. divisum .Jord. ssp. divistim subvar. arenarium Sudre, Hierac. Centr. France (1902) p. 69. — 

 Caulis 30—45 cm altus gracilis saepe rigidus substriatus, inferne vulgo purpureo-violaceus 

 et subvillosus, superne niodice pilosus eglandulosus multifloccus. Folia radicalia ovato-lanceo- 

 lata v. lanceolata, utrinciue attenuata, sat longe jietiolata, extima saepe ovata apice ± obtusa, 

 omnia caesio-glauca crassiuscula, antrorsum dentato-laciniata, supra glabra et saepissime 

 intense rubro-bruneo-maculata, niaculis confluentibus maximnni laminac partem obsidentibus. 



