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Diagnoses formarnm novarum generis Menthae. 53 



133 



multiflora Host"), cott. Bihar, in Puszta Kot (leg. Borbas, in FJ. exs. 



V 



num. 2171 ,,M, ohlongifrons Borb."). 



Var. pegaia Top., 1. c, p. 185. — Folia parva vel mediocria, 

 laetoviridia, elongatoovato-elliptica, elongato-ovata vel ovato-lanceolata. 

 subacuniinata vel acuta, marginibus convexioribus, basi ± breviter vel 

 longius angustata, feupra ± dense pilosa, subtus sparse hirta, margini- 

 bus ciliatis, pctiolis brevibus pubescentibus, 25 — 30— 35--40— 45 x 13 

 14 (17)— 16 (18) — 20 (22) mm dim.; serr. denies demlssi, culminibus intus 

 rectis extus rectiusculis vel convexiusculis vel subundulatis, mucronu- 

 latis, ad 0.7 mm altis et 2—4 mm distantibus. Bracteae pilosae, pedi- 

 celli glabri, calices dense albosetacei dentibus breviter vel longe acutis. 

 Caulis ramosus pubescens. (M, dubia Leers exs. est subforma foliis 

 parce pubescentibus, parvis, dense et obtuse serratis.) — Habitat in tota 



regione. 



f. domita (H. Braun in herb. Degen) Top., f, nov. 



Folia rhomboideo-oblonga, basi cuneata, 20 — 30—40 x 8 — 12—17 mm 

 dim., supra sparse pilosa, subtus in nervis pilosa, tenuiter et acutius- 

 cule serrata. Calices adpresso pilosi. Caulis debilis longi-ramosus. 

 Hungaria: ad Budapest versus Erscebeifalva (leg. Kocsls, in h. 

 Degen). 



Obs. M, arvensis var. Sabranskyi Top., 1. c, p. 186 hie delenda 

 est, quia pertinet ad formas formulae hybridae M. arvensis x longifolia, 



r 



Var. araiodonta Top., 1. c, p. 186. — Folia mediocria vel parva, 



ovato-lanceolata vel ovo-oblonga, breviter acuminata, marginibus ± con- 

 vexioribus, basi plerumque breviter angustata, petiolata, supra sparse 

 vel moderate densi-pilosa, subtus sparse pilosa vel glabrescentia, 



30— 35— 40-45-50— 60 ,x 15(18)— 18-18(22) 18 (25) -22 (24)— 30 mm 

 dim.; serr. denies sat conferti, procumbentes, culminibus intus rectis 

 vel concavis, extus rectiusculis vel concaviusculis, 0,4—1 x 3—4 mm dim, 

 Pedicelli setacei, glabrescentes vel glabri, calices longe albo-setacei 

 calicum dentibus brevi acuminatis. Caulis simplex vel rameatus ad 

 8 dm altus, praecipue ad angulos pilosus. — Austria sup., pr. Windisch- 

 garsten (leg. Ausi); Salisburgia, ad St. Gilgen (leg, Aust). 



2. Folia forma ovata. 



A. Serraturae dentes conferti, 



Var. Hostii (Bor.) Top. f. confertidens Top., 1. c., p. 187. 

 Folia mediocria, subacuniinata, apice obtuso; serr, dentes creberrimi et 

 numerosi, profunde excisi, inaequaliter alii, usque ad 1,4 mm alti et 

 2 — 3 mm distantes. Bracteao plerumque conspicuae calicis dentibus 

 acutis vel subacuminatis. Caulis orectus plerumque simplex. — Austria 

 sup.: ad Plaga (leg, Sim m el), ad Windischgarsten (leg. Aust); 



Styria, ad Sochau (log. Sabranskyj; Bohemia, pr. Egram et Kutten- 

 plan (leg, Jahn). 



f. Neeslana (Op.) Top, I c, p. 187. — Folia parva, 

 ovato-lanceolata, cuspidata, utrinque adpresso pilosa, breviter petiolata, 

 30—35—40 X 15— 18— 20 mm dim.; serr, dentes humiles, acuti, ceterum 



