DIDYNAMIA. GYMNOSPERMIA.  ¢73 
a <a 
VERBE’NA. Tourn. 94. Geertn. 66. s, wt _ 
Cau. Cup 1 leaf, angular, tubular, slender, anent 
with 5 St 1 theitentbblagiged. wal ate” 
Bross. 1, petal, unequal... Tule cylindrical, straight, as 
long as the cup, dilated, and bowed inward towards 
the top. Border expanding, with 5 shallow clefts. Seg- 
ments rounded, nearly equal. 
Sram, Filaments 4, like bristles, very short, concealed _ 
within the tube of the blossom, 2 of them longer. 
Anthers crooked. aes pe 
Pist. Germen 4-cornered. Style simple, thread-shaped, 
as long as the tube. Swmmut blunt. ; 
S. Vess. very fine and thin, but generally none, the cup 
containing the seeds. 4; 9); J 
SEEDs 2 or 4, oblong. . denis vispon’ntrrs bas 3 )~! 
Oss. Linneus allotted a place to this genus in the class 
Dianppria, because some of the species have only 2 stamens, 
but as the species found with us has uniformly 4, and its struc- 
ture in other respects agreeing with the plants of this class, it 
is introduced here, where the English Botanist would expect to 
‘find it. an 
MEN’THA. Tourn. 89. ier”, 
Car. Cup 1 leaf, tubular, upright, with 5 teeth, equal, 
Buoss. 1 petal, upright, tubular, rather longer than the 
cup.  Bordler e 4 divisions, nearly equal. The 
upper Segment broadest, and notched at the end. 
Stam. Filaments 4, awl-shaped, upright, distant, the 2 
_ next each other the longest. Anthers toundish: 
Pisr. Germen cloven into 4. Style thread-shaped, up- 
right, longer than the blossom. Summit cloyen, ex- 
panding. se a8 : 
S.Vzss. none. Cup upright, containing the seeds. 
SEEDs 4, small. . ot ee gael 2 deve, 
Ons. In‘Mentha aquatica the stamens are nearly all of a 
~ GLECO/MA. Curt. 143. ea 
Cax. Cup 1 leaf, tubular, cylindrical, scored, very small, _ 
permanent ; rim with 5 clefts. Segments unequal, ta- 
pering to a point, ; : bes: 
Von, I. T 
