IL7/3hc 
8. Flowers axillary. Expected (Leonurus, 
8. 
Ballota). 
Flowers in terminal spikes, clusters, 
or heads; if axillary, the subtending 
leaves reduced and clustered into 
a terminal spike. 
9. Spike very dense (may be somewhat 
interrupted in Nepeta). 
LOG 
10. 
Calyx distinctly 2-lipped, 
closed in fruit. (Also, 
flowers blue-violet, in 
clusters of 3 subtended 
bys round *bDEACES) sac cieiccew siete crete so UN ella) 
Calyx nearly regular, open in 
fruit. Expected (Nepeta, 
Agastache). See Appendix I. 
Spike loose or interrupted. 
(Also, calyx regular; flowers 
pale purple or pink). 
ales 
ale 
Plant glabrous; flowers single 
in axils of small bracts. 
Expected (Physostegia). 
Plant pubescent; flowers in 
small, dense cymes subtended 
by small), DraACES sriieioc eves es se op OLAChYS 
4. Upper lip of corolla not helmet-shaped 
or concave. 
12. Flowers in dense cymes or heads. 
Di 
(Also, corolla purple to white)............. Pycanthemum 
Flowers in panicles, racemes, spikes, or 
clusters, inflorescence terminal or 
axillary. 
13, Flowers in loose terminal racemes 
or panicles. (Also, leaves ovate or 
ovate-oblong, serrate, acuminate, 
with long petioles). 
