CLASS XIV. 
DIDYNAMIA. 
GYMNOSPERMIA. 
(1) Calyx mostlyJive-cleft, nearly regular. 
LEONU'RUS. Anthers sprinkled with hard granulations: 
(upper lip of the blossom shaggy. E.) 
GLECHO'MA. Anthers in pairs, each pair forming a cross. 
MENTHA. Filaments expanding, straight: Bloss. nearly re¬ 
gular. 
VERBE'NA. Bloss. nearly regular: upper segment of the 
calyx shorter. 
TEU'CRIUM. Bloss. without any upper lip: upper segment 
of the petal divided. 
A'JUGA. Bloss. upper lip shorter than the stamens, notched. 
GALEOB 7 DOLON. Bloss. upper lip entire, vaulted : lower 
lip trifid : segments broad, acute: Anthers fleshy on the 
back. 
BETONTCA. Bloss. upper lip flat, ascending: Tube cylin¬ 
drical : Siam, as long as the mouth of the tube. 
LA'MIUM. Bloss. with a bristle-shaped tooth on each side 
the lower lip, (on each side the mouth.) 
GALEOP'SIS. Bloss. with two teeth upon the lower lip. 
STA'CHYS. Bloss. lateral segments of the lower lip reflexed: 
Stamens after flowering expanding to the sides. 
NEP'ETA. Bloss. lower lip scolloped : Mouth with the edge 
reflexed. 
BALLO TA. Calyx with ten scores : Bloss. upper lip vaulted. 
MARRU'BIUM. Calyx with ten scores: Bloss. upper lip 
linear, straight. 
[■Origanum. Thymus Nepeta.] 
