— 129 — 



ad 10 dentes), basin versus dentibus ad 10 mm longis in petiolum descendentibus sensim de- 

 crescentibus praedita, supra distincte v. inconspicue maculata; caulina 1—3, saepe infenora 

 2 evoluta lanceolata sat longe petiolata valde grosse dentata, v. unum tantum evolutum 

 et reliqua elongata linearia. Rami primarii ad 5 (ex omni ala), capitula ad 15. 



Vallesia: Nax, Iscrable (Wolf), in vaUe Saas (Vulpius), Lens (Besse). Flora Val- 

 dostana: Valsaravanche (Wilczek), Valpelline (Vaccari), Val Fenis (id.). 



Tab. 104. H.pidiforme Zahn ssp. pictiforme Zahn (e valle Saas, leg. Vulpius). 

 1. Margo ligularum. 2. Squama interior. 3. Squama exterior. 4. Pedunculus sub involucro. 



Huc pertinet etiam subspecies pseudo-Rionii Zahn, Hier. d. Schweiz (1906) p. 343; 

 H. Rionii et pidum X murorum Wolf in sched. p. p. Folia rosularia ovato-lanceolata ob- 

 tusa V. elliptico-lanceolata subelongata acuminata acuta, basi ± cordata v. truncata v. sub- 

 attenuata et ± grosse dentata, supra glabra gramineo-viridia saepissime intense brunneo- 

 raaculata; caulinum 1 radicalibus simile. Rami primarii 2-3, capitula 4—7. Habitus ufc 

 in H. praecoci. 



Vallesia: In rupibus infra Nax, Varen— Leuk, Sion (Wolf), Visp— Stalden, in fauce 

 Rawyl (BemouUi), Riddes (Besse). 



68. Hieracium prasinops Tout. et Zahn nov. sp. = piotum— bifidum. 



Habitus ut in H. bificlo Kit. Caulis 25—40 cm altus subtenuis striatus saepe sub- 

 flexuosus breviter moUiterque subpilosus fere usque ad basin subfloccosus fere semper 

 eglandulosus. Folia rosularia c. 6 brevius longiusve petiolata, petiolis basi latioribus vagi- 

 nantibus, exteriora saepissime multo minora ovata v. elliptica basi truncata apice obtusa 

 V. brevissime acuta, reliqua multo maiora elliptica v. elliptico-lanceolata basi truncata v. bre- 

 viter attenuata apice bre\aus longius acuminata acuta, vel intima lanceolata utrimque sensim 

 acuminata acutiora, omnia irregulariter grosseque dentata, basin versus saepe grosse inciso- 

 dentata, dentibus glanduloso-acutis saepe in petiolum descendentibus, supra glabra prasino- 

 viridia v. subglauca haud maculata v. saepissime inconspicue v. magis distincte maculata v. 

 pai-tim tantum submaculata, in parte aversa dilute viridia breviter subpilosa, in margme 

 nervoque dorsali et praecipue in petiolo dense breviter albopilosa, novella sericeo-subvillosa, 

 pilis conspicue dentatis; caulinum 0—1 (—2) ± anguste lanceolatum acutissimum ± grosse 

 dentatum v. elongatum lineare. Inflorescentia altefurcata, interdum profundius furcata, 

 acladium (»/,o— ) V^— Vs (— Vs) totius caulis longum, rami primarii 1—2 (interdum caulis 

 lateralis evolutus), oblique erecti 1—3 cephali, capitula 2—3 (—5). Involucrum 9— 10,5 mm 

 longum denique ovatum, squamae subangustae longe acuminatae acutae obscurae, mtenores 

 viridi-submarginatae apice saepe obscuriores, omnes breviter subpilosae subfloccosae v. 

 obscure canae et glandulis valde solitariis sparsisve obsitae. Pedunculi c. 3 bracteis obscuris 

 muniti supeme obscure cani et glandulis dispersis pilisque brevibus pamm numerosis obsiti, 

 inferne minus floccosi brevius sparsiusque pilosi fere eglandulosi. Flores saturate lutei, 

 ligulae apice glabrae, stylus subluteus, achaenia atra. 



Hab. Delphinatus, Basses-Alpes, Col di Tenda. — Flor. lun.— lul. 



Subspecies prasinops Tout. et Zahn. Folia maiora supra prasino-viridia submaculata, 

 in nervo dorsali disperse floccosa. Squamae minus floccosae disperse glandulosae, acladium 

 brevius. 



Icon. Fl. Germ. XIX, II. 17 



