Diagnoses formarum novarum generis Menthae, L 35 



115 



mania, pr. Bitsch (leg. G. Koch in Schlz. h. norm. C, 4 no. 314 ^M. 

 hortensis Wrtg," 



Var. stenophyllon Top., 1. c, p. 168. — Folia mediocria usquo 

 magna, angusto-lanceolata, sensim cuspidata, marginibus subconvexiori- 

 bus, basi angustato-rotundata et subcordata, utrinque glabra subtus 

 nervis valde prominentibus, 65 (70)— 80— 90 X 12 (15)— 16 (22)— 20 (23) mm 



dim,, sessilia vel subsessilia; serr. denies ± regulares, mediocres vel 

 grossi, saepe impositi, culminibus intus rectiusculis extus undulatis, 

 1,5—2,5 ram altis, 5—8 (10) mm distantibus, sinibus 3—8 mm longis. 

 Spicastra soluta, terminale 8 — 9 cm longa, verticillastri infimi (2—3) 

 internodiis 10 — 20 mm longis separatis, fere glabri. Caulis robustus» 

 viridis, glaber, usque ad 8 dm alius. — Moravia, culla in D. Jamnilz 



(leer. Petrak nom. „lf. Leieuneana Od.''). 



4. Mentha aquatica L., 1. c, p. 168 — 179. 



Tabula synoptica varietatum et formarum^). 



A. Sectio Latifoliae. 



I. Serralurae denies exslanles, usque ad 1,5 mm et supra excres- 



centes. 



1. Planta parce pubescentia vel glabrescens. 



Var. capitata (Op.) Bq, f. maxima Top., 1. c, p. 169. 

 Folia acuta vel brevi acuminata, 60—70—80 (90) X 35 (40)— 40 (50)— 50 

 (60) mm dim,; serr. denies 1 — 2,5 X 3 — 8 mm dim. — Gallia, ad Meda- 

 ques et Culhat (leg. Chassagne). 



f. valdelata Top., 1, c, p. 169. — Folia acutiuscula, basi 

 lata et recli-truncata, 50—60X45 (50)— 50 mm dim.; serr, denies 1 

 2,5 X 4— 8 mm dim. —'Gallia, pr. Perat (leg. Chassagne). 



f. latiovalis Top., 1. c, p. 169. — Folia latieliiptica, 

 60—70-80—90 X 38—40—47—50 mm dim.; serr. dentes pro foliorum 





p J , - 





J -■ 



magnitudine humiles 1—1,8X4—10 mm dim. — Gallia, ad M^daques 

 et Culhat (leg. Chassagne). 



1 Medaquensis Top., 1. c, p. 169. — Folia latiovata 



(50X35 mm) vel latiovalia (50X30 mm), ilia basi lata et cordata, haec 



basi in petiolum angustata; serr. dentes regulares, 1 — 1,5 X 5 — 8 mm dim. 



Calicos subpubescentes. — Gallia, ad Medaques (leg, Chassagne), 



2. Planta sat dense pilosa. 



Var. erromena Top., 1, c„ p. 170. — Folia ut varietas supra- 



dicta, sed utrinque aequabiliter, pilosa, parviora dense pilosa, subtus 



nervis 1. et 2, ordinis prominentibus, 40— 50— 60 X (20) — 30 — 40 mm; 



serr. dentes conferti, regulares, culminibus intus rectijisculis extus con- 



vexis, plerumque etiam denticulatis, erectis, 1—1,5 X 3—5 mm dim, Ca- 



pitulum parvum; pedicelli dense albovillosi. — Tirolia mer: Arco, Ga- 



vazzo, Torbole, Caneve (leg. Diettrich); Gallia: ad fl. Elaverem, pr. Orleat 



pr. St. Anna, pr. Medaques (leg. Chassagne). 



M. 



3 (8)=* 





