— 15 — 



nigrae v. + floccosae epilosae, semper cum pedunculis et caulibus superne dense et conspicue 

 nigroglandulosae, stylus obscurus, ligulae apice glabrae v. parum ciliatae. Haec grex centntm 

 H. silvatici sistere censeo. 

 X. Kxotoricuni. Folia dilute viridia, saepo tenuia, pilosa aut subglabra; stylus lutous, reliqua 



nt in IX, glandulae saepe tenuissimao. 

 XI. Oblongum. Folia viridia v. obscure viridia, oblongo-lanceolata v. sublanceolata, utrinque 

 attenuata (more H. vulgati), basi brevius v. protractius cuneiformia, denticulata v. serrato- 

 dentata, caulina 1 — 2 ± lanceolata; reliqua ut in IX; stylus obscurus v. saepe luteus. 

 Tmnsitus Eusilvaticum — >- divisum fsilvaticum ^ vulgatum). 

 Xn. Crepidiflorum. Folia sublutescenti- v. gramineo-viridia subpilosa v. glabrescentia, oblonga 

 baei truncata v. subdecurrentia, denticulata dentatave, oaulina 1 — 2 ( — 3) basi subvaginantia; 

 inllorescentiapatenti-paniculataploio-v.polycophala, squamaopedunouliquedensissimoglandulosa, 

 stylus obscurus, ligulae apice interdum subi'iliatae. Transitus Eusilvaticum >■ Juranum. 

 3. Involucrum 7 — 9 mm longum, tenue, gracile cylindricum. 



XIII. Tenuiflorum. Oaulis tenuis; folia mollia ± pilosa, ovata v. oblongo - lanceolata , truncata 

 V. subdecurrentia, denticulata v. dentata v. grosse repando-dentata; infiorescentia oligocephala 

 v. pleiocephala, squamae angustae acutae v. acutiusculae, ("cum podunculis) glandulosao et pilosae 

 v. solum glandulosao, parum floccosae v. subfloccosae. — Plantae gracillimae, in Italia suporiore 

 ot in Helvetia australi non infrequentes, constanter (non pathologice) microcephalae. 



4. Involucrum virescens, 10 — 12 mm longum, squamis latiusculis distincte obtusis. 



XIV. Grovesianum. Folia sordide virentia subcoriacea, ovata basi truncata v. paruni decurrentia, 

 it dentata margine ciliato, caulina — 1; squamae pedunculiiiuo glandulis mediocriter numerosis 

 brovibus parum conspicuia vestitae, stylus fuliginosus, ligulae ochroleucae apice glabrae. 

 Transitus Eusilvatictm > Italica. — Prope Florentiam. 



I. Grex Prasiophaeum. 



Subspecies prasiophaeum Ai-v.-Touv. et Gautier, Hierac. nouv. pour la France ou p. 

 TEspagne, in Bullet. Soc. bot. France, tome XLI (1894) p. 349; Zahn in Koch Synops. 

 (1901) p. 1780. — Caulis 40 — 50 cm altus gracilis v. crassus, ± sparse et breviter pilosus 

 subfloccosus, superne sparse v. modice ghmdulosus. Folia rigidiuscula, radicalia c. 6 longe 

 petiolata, exteriora elliptica minora subobtusa, reliqua majora niagis elongata, elliptico- 

 lanceolata v. oblongo-lanceolata, utrinque abrupte v. sensim attenuata acuta nuicronata, 

 dentata v. grosse multidentata, basin versus laciniata v. pinnatifida, supra glabra lucida, 

 prasino-viridia glaucescentia saepe subpruinosa v. etiam ± maculata, subtus pallida disperse 

 pilosa, in margine nervoque dorsali et praecipue in petiolo molliter albopilosa subvillosa, in 

 nervo dorsali subfloccosa; caulina 1 — 2, breviter petiolata v. subattenuata sessiHa subvaginantia 

 acuta, superius lineari-lanceolatum. Inflorescentia determinata squarroso-paniculata, (2 — ) 

 6- pleiocephala, acladium 2 — 3 cm longum, rami primarii 2 v. complures graciles, involucrum 

 crassiusculuni ovatum, 13 — 14 mm longum, squaraae subangustae acutae nigricantes pallide 

 raarginatae, sul)floccosae, densissime et obscure glandulosae pilis obscuris parum luiraero.sis 

 inimixtis, pedunculi canotomentosi densissime glandulosi. Flores pallide lutei ochroleuci. 

 stylus luteus demum fuscescens, ligulae apice saepe ciliatae; achaenia nigricantia, 3 — 3,5 mm longa. 



Crescit in Pyrenaeis gallicis et hispanicis, in Helvetia: pr. Turicum (in muris ad 

 fl. Sihl, leg. Kaeser)!, in Germania australi in lapidicinis pr. Durlach (lcg. ipse)!, in .lura 

 tranconico in monte Staffelberg pr. Staflelstein (leg. Dr. Harz!). — Floret Maio-.Iun. 



Exsiccata: Arv.-Touv. et G. Gautier, Hieraciotheca gallica no. 50 — 53, 238 — 244! 



Tab. 13. H. prasiophaemi Arv.-Touv. (planta lielvetica). 1. Squama. 2. Apex squamae. 

 3. Ligula. 4. Portio caulis. 5. Achaenium cum pappo. 6. Margo folii portio. 



