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Hab. Gallia orient., Rhône, in umbrosis ad St. Geor- 

 ges-de-Reneins (Gdgr.). 



6. Mentha viridescens Gdgr. 



Caule ramosissimo, oblique ascendente, dilute rubro, 

 pilis raris adsperso; foliis oblongis, nee acuminatis, fir- 

 mis, saturate viridibus, basi valde cordato-emarginatis, 

 breviter petiolatis, saepius margine paulo undulatis, un- 

 dique glabris, ad nervös virentibus; serraturis triangu- 

 lares, fere patulis spicis elongatis, gracilibus, omnino 

 interruptis, ascendentibus, acutis; calycis viridis seg- 

 mentis ciliatis; pedicellis paulo puberulis; floribus roseis, 

 staminibus inclusis; nuculis subglobosis. 



Hab. Gallia orient, in humidis ad Villeurbonne (P. 

 Chabert). 



7. Mentha leptostachya Gdgr. — M. viridis var. d. graci- 

 lior Gdgr.! in Goriot. Etude des fl. 5 éd. II, p. 484 



Caule saepius fere omnino villoso, basi ramosissimo 

 rubro, erecto; foliis late obovato-ellipticis, obtusiusculis 

 basi rotundato-cordatis, petiolatis, nee undulatis, undi 

 que glabris, tenuibus, supra saturate-lucideque virenti 

 bus, ad nervös albidis; serraturis rectis, remotis, ad api- 

 cem patulis; spicis paucifloris, gracillimis, elongatis, om- 

 nino interrupts, patulis; calyeis virentis breviterque ova- 

 ti segmentis brevissimis, vix ciliatis; pedicellis glabris; 

 floribus roseis, parvis, calycem vix superantibus; stami- 

 nibus inclusis; nuculis bruneis, ovato-ellipticis. 



Hab. Gallia orient., Rhône, insepibusad Arnas (Gdgr.), 

 2. Folia undique hirta, subtus saltern semper floccosa 



vel tomentosa. 



f Folia ovata, elliptica vel obovato-oblonga, subtus 



araneosa, vel floccosa, rarius albo-tomentosa (grex M. 



rotundifoliae S. sp. 805), 



