DIDYNAMIA GYMNOSPEEMIAo 
40S 
472 . TEUCRIUM. Gen.pl.g60. 
1. T. cano- hirsutissimum j foliis ovato-lanceolatis serratis, €mutdense. 
omnibus petiolatis, caule erecto, spicis verticillatis 
confertis, bracteis calyce duplo longioribus, — JVUlcL 
sp. pl. 3. p. 22. 
In low grounds, on the borders of ponds and lakes : Ca- 
nada to New York. 2/ . July, Aug. v. v. Flowers 
purple. 
2. T. pubescens; foliis ovato-oblongis serratis, superioribus virgintcum. 
subsessilibus, caule erecto, spicis verticillatis confer- 
tis, bracteis longitudine calycis. — Willd. sp. pl. 3. 
p, 22. 
Icon. Schkuhr handh . I 60 . 
In low grounds and bogs : New York to Carolina. , 
June — Aug. v. v. Resembles the foregoing species 
very much. 
473 . MENTHA. Gen. pl. 967 . 
1. M. floribus verticillatis, foliis lanceolatis serratis petiola- 
tis pilosis, staminibus corollam aequantibus. Willd. 
sp. pl. 3. p. 82. 
In Canada. Kalm. 2fi. -f . ^ 
2. M. assurgens, pubescens ; foliis ‘petiolatis ovali-lanceo-^ 
latis utrinque acutissimis, floribus verticillatis, stami- 
nibus exertis. — Mich.Jl. amer. 2. p. 2. 
On the banks of rivers and near springs : Canada to Peri” 
sylvania. %. July, Aug. v. v. Flowers pale purple, 
3. M. erecta, glabriuscula ; foliis lanceolato-ovatis subses- 
silibus, spica gracili, verticillis minimis interrupta, 
staminibus non exertis. — Mich. ji. amer. 2. p. 2. 
M. viridis. Walt. Jl. car. I 6 I. 
In wet places, near springs : Pensylvania to Georgia. 11 - 
June — Aug, v. v. Flowers white. 
canadensis. 
i'orealis.. 
ienuis. 
474 . ISANTHUS. Mich. jl. amer. 2. p. 3. 
1. I. viscido-pubescens ; foliis ovali-ianceolatis utrinque c^ruleug. 
acutis 3-nervibus, pedunculis 1-2-floris. Mich, ji, 
amer. 2. p 4. 
Icon. Mick. Jl amer 2. t 30. 
On dry hills, in lime-stone soil : Virginia and Kentucky. 
O. July, Aug. V. V. Flowers pale blue. 
