— 18 — 



fere semper glabra rarius niargineni versus parcepilosa, subtus breviter parcepilosa, in niargine 

 nervoque dorsali et etiam in petiolo pilis parum numerosis brevibus v. magis elongatis 

 nuraerosioribus molliter pilosa; caulina 1 ( — 2), inferius subpetiolatum lanceolatum vulgo 

 grosse dentatum et longe acuminatum, superius lineari-lanceolatum v. subulatum. Inflores- 

 centia laxe paniculata v. altefurcata (ut in forniis H. bifidi) oligocepliala rarius pleioeephala, 

 acladium (10—) 20 — 50 mm ( — '/3 totius caulis), ranii primarii 1 — 3 valde rernoti arcuato- 

 patentesv. erecti; involucrum (8—) 10 — 12 mm longum, squamae angustae, exteriores obtusius- 

 culae, interiores acutiusculae v. acutae, obscure olivaceae dorso saepe subatrae, margine ± 

 virides, subfioccosae v. multifloccae, sat dense glandulosae, fere semper epilosae, pedunculi 

 cano- v. albotomeutosi epilosi, subglandulosi v. fere eglandulosi. Flores saturate lutei apice 

 glabri, stylus obscurus, achaenia castanea v. matura atra. 



Crescit in consortio H. biiidi Kit. (H. subcaesium Fries et auct.) in Helvetia: Martigny 

 (Pacoteires! sur Alesse, 2000 m, leg. M. Besse), in jugo Siraplonpass!, 1900 ni (leg. E. Favre), 

 in Ormonts! et pr. Kandersteg! (leg. Touton), in alpibus friburgensibus : Les Morteys! (leg. 

 Jaquet), in valle Sertigtal pr. Davos et in monte Kalkberg supra Spliigen (leg. ipse); Tirolia 

 meridionalis: pr. Trient! (leg. Murr). In alpibus Hungariae! Dalmatiae! Croatiae! et 

 Bosniae! — Floret Jul. — Aug. 



Tab. 17, Fig. A. 1—5. H. silvatirum L. ssp. hifidiforme Zahn. A. Planta (e monte 

 Simplon). 1. Squama. 2. Pedunculus sub involucro. 3. Ligula. 4. Stylus. 5. l^ilus 

 stellatus. 



Grex XIIL Tenuiflorum. 



Subspecies tenuiflorum Arv.-T., in CI. Bicknell, FI. of Bordighera and S. Remo 

 (1896) p. 173; H. praecoa- v. tenuiflormn Arv. - T. in herb. Chenevard. — Caulis (10—) 

 20 — 35 ( — 40) cm altus tenuis, infeme molliter pilosus, superne epilosus v. parcepilosus 

 canotomentosus, modice v. sat dense et tenuiter glandulosus. Folia mollia tenuia, ovata v. 

 oblongo-lanceolata, .subobtusa v. acuta, basi truncata v. subdecurrentia saepe subcordata 

 brevius longiusve petiolata, denticulata v. dentata saepe (praecipue basin versus) grosse 

 repando-dentata, gramineo- v. saturate viridia subtus pallidiora, utrimque subpilosa v. supra 

 ± glabra, subtus in nervo dorsali et praecipue in petiolo densius pilosa v. in petiolo sub- 

 villosa; caulina 0—1 ( — 2) breviter petiolata v. attenuata sessilia saepe longe lineari lanceo- 

 lata. Inflorescentia ± detenuinata paniculata saepe subunil)ellata, in formis autumnalibus 

 interdum etiam ± furcata, (2—) 5 — 10 (—20) cephala, acladium vulgo 5-20 (—30) mm 

 longum, rami primarii tenues erecti, (1—) 2 — 5 ( — 7) saepe conferti aut inferiores (1 — 2) 

 remoti; involucrum (5 — ) 7 — 9 mm loiigum tenue anguste cylindricum, squamae angustae 

 acutiusculae saepe acutae, interdum etiani obtusiusculae, apice subbarbulatae, dorso obscurae 

 V. ± atrae, subfloccosae, dense et tenuiter glandulosae, epilosae v. etiam parcepilosae, rarius 

 subpilosae, pedunculi tenuissimi canotomentosi, subdense et saepe breviter glandulosi. Flores 

 lutei, stylus demum fuscescens, ligulae apice glabrae, achaenia demum atra. 



Crescit inter 200—1850 m in Italia superiore pr. Como, Lecco, Bellano, in vallibus 

 Sassina, Varrone, in monte Legnone, in monte Generoso etc; in Helvetia australi in valle 

 Leventina pr. Faido, Biasca, Bellinzona, in montibus Mte Camoghe, MteCeneri etc; in Valesia: 

 Simplon (in valle d'Ossola usque ad Lacum Maiorem); in Uhaetia engadinensi iii monte 

 Oleubert' inter Zernetz et Cierfs. — Floret Maio-aestate. 



