— 22 — 



III. Acroleucum. Invohicrum gracilp v. iiarvum ubiqup ± lloccosum, sf|uaraae anpustap linearps, 

 glandulis ± densis obsitae, marginilnis latiuscule floccoso-Iiraliatae; folia laeto v. pallido 

 viridia, sparsim ± dentata rarius ad basin ± longo dent>it;i , parum pilosa. — Huc jicrtinot 

 H. acrolcucum Stenstr. etc. 



IV. Vulgatura. Involucrum cras.-iiuscuhim saepe sat magnum, minus floccosnm, squaniae ± latae 

 lancpolatae. glandulis sparsis v. dcnsiusculis obsitae, dorso subeffloccosae, marginibus leviter 

 V. sat dense flotcOoO-lirabatae; Iblia obscure viridia, subtus vulgo ± intense violacea, longius 

 et magis acute parce dentata, vulgo densiuscule pilosa. — Huc pertinet H. vultjatum (Fr.) 

 Dahlst. 



V. Mortini. Involucri squamae fere effloccosae v. soluiu ad basin v. etiara iu raarginibus sparsim 

 floccosae, angustae aut ± latae ± lanceolatao, glandulis sparsis v, subnuraorosis et pilis sat 

 donsis (v. interdum rari.s) ± obscuris apice dilutis obsitae; folia ± graraineo- viridia saepe 

 subglaucescentia, basalia ovato-Ianceolata v. lanceolata, dentata v. inaequaliter dontata v. sat 

 grosse et late dentata vel longe pinnato-dentata, caulina (3-) G— 12 (—20) vulgo ad basin 

 longe 3—4 dentata vel pinnato-laciniata. — Huc pertinent H. Mertini Grael.!, H. pimuiti- 

 jidum Lonnr., H. sciaphilnm auct. pp., H macroionum Dahlst. etc. 

 2. Involucrum glandulis rainutis mediocribusve et pilis obscuris v. dilutis paucis (rarioribus 

 quara glandulae) obsitum v. vulgo solum glandulosura. 

 * Involucrum multifloccum. 

 VI. Tephrofloccum. Involucra ubique denso v. sat dense floccosa saepe microglandulo.sa, pedun- 

 culi albido-toraentosi; folia rigidiuscula oblongo-lanceolata saepe grosso dentata, caulina4 — 7; 

 caulis ± crassiusculus rigidus. — Huc pertinet H. tephrofloccum Zahn. 

 ** Involucrum modice vel parce floccosum. 

 VTI. Acuminatuni. Involucra (et pedunculi) dense glandulosa saepe microglandulosa; caulis vulgo- 

 olatus crassiusculus rigidus, fohis 6—12 rigidiusculis aut ± tenuibus lanceolatis v. latc lanceo, 

 latis acuto et saepe sat longe dentatis obsitura. — Huc pertinent H acnminatum Jord. 

 H. fantigiatnm Fr. Epicr. pp., H. sciaphihim auct. pp. etc. 

 VIII. Nudiceps. Involucrum minute glandulosura, pedunculi canotomentosi oglandulosi v. glandulis 

 rarissimis tenellis inconspicuis obsiti; caulis gracilis paucifolius; folia ovato-lanceolata v. lato 

 lanceolata tenuia acute dentata, caulina 3—5. — Huc pertinet H. nudiceps Celak. etc. 

 IX. Irriguura. Involucrum glandulis minntis mediocribusve et pilis brevibus solitariis v. paucis 

 obsitum V. .solum glandulosum. in marginibus squamarum leviter v. subdense floccosum, 

 rarissime fero effloccosum; caulis gracilis v. crassiusculus 2—6 folius, Jblia ovato-Ianceolata 

 V. lanceolata ± dentata, basalia saepe solum denticulata, caulina saepissimo apicem vorsus 

 ± sanguinea. — Huc pertinot H. irriguim Fr. etc. 



*** Involucrura effloccosum raro marginibus parum floccosum . denso glandulosum, 

 saepissime epilo.sum; folia caulina abrupte decrescentia, squaraae involucri pauciseriales. 

 X. Anfractum. Stylus obscurus; involucrum atrum nitens v. virido, glandulis brevibus ± 

 numerosis obsitum, squamae in marginibus parce floccosae; folia glabriora. — Huc portinot 

 H. anfradum Fr. etc. 

 XI. Diaphanoides. Stylus obscurus; involucrum atrum, glandulis elongatis numero.sissimis 

 obsitum, squamae effloccosae v. in margino tantuni floccosae; folia ± dcnse pilosa. — Huc 

 pertinet H. diaphanoides Lindbg. etc. 

 XTT. Diaphanum. Stylus lutous; involucrum fere ofHoccosum, glanduHs parvis crebris nigris 

 obtectura; folia glabriora. — Huc pertinet H. diaplianum Fr. etc. 



Grex I. Maculatuni. 



Sub.species approximatum .lordan, Catal. grains .lard. Dijon (1848) p. 20, rt apud 

 Boreau, Fl. Centn" lAiuuv ?, od. (18.')7) p. 40B, De Matrin-Donos, FloruL du Tarn (IBlil) 

 p. 441, Sudre, Hierac. Centr. France (1002) p. .'59; H. maculafum Za.hu. in Koch Syn. (1901) 

 p. 1784 (sens. lat.). — Caulis 30 — 80 ( — 100) cin altus gracilis aut crassus anffuloso-striatus 

 saepe (apicem versus) subsulcatus, iufeiue moUiter pilosus Ijasin versus subvillosus, superno 



