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 MENTHAE NOVAE imprimis EUROPEAE, 



Conspectus diehotomicus. 



Substribus Menthoidearum. 



(Corollae fauce plus minusve hiante nee contracta gib- 

 . ) bosaque 2. 



') Corollae fauce saepius contracta, basi lateraliter gib- 

 \ bos a. Pulegium, Mill. 



/Calycis segmentis 5, planis; foliis dentatis, nee linea- 

 \ ribus 3. 



•jCalycis segmentis 4, concavis; f. integerrimis, lineari- 

 v bus Preslia Opiz. 



Calycis segmentis aeque distantibus; fauce nuda 

 Mentha L. 



Calycis segmentis subbilabiatis; fauce pilosa Menthella 

 Pérard. 



I. Preslia Opiz in Flora VII, p. 322. 



Corollarum fauces plus minus hiantes, nee basi con- 

 iractae vel gibbosae; calycis segmenfa 4, concava; folia 

 lineari-lanceolata, undique punctis lucidis perforata, — 

 Herbae Galliam australem, Hispaniam et Algeriam co- 

 lentes. 



1. Preslia satureioides Gdgr. 



Procumbenti-reptans, caulibus prostratis, flagelliformi- 

 bus dein erectiusculis; foliis omnibus similibus, oblongis, 

 integris, saturate viridi-glancescentibus, glabris, integris, 



