PI ex. cor. 32. LABIAT-ffi. 359 



BractecB ; cah/x bearded inside, cylin- 

 drical: tube middling; long: Satureja. 143. 



Bracteated ; calyx bearded inside, cylin- 

 drical ; flowers densely spiked Origanum. 138. 



g. Stamens 4; corolla ^-lipped ; calyx regular, not 2-lipped. 



Galea not cut; lip unequally 3-lobed . . . Ballota. 136. 

 Galea 2-cut; calyx 10-toothed .... Marrubium. 137. 



h. Stamens i; corolla 2-lipped ; calyx 2-lipped, 5-cut j 

 fllaments not 2-forked. 



Involucrum from the secondary bractese ; 

 co/yx bald inside ; go/ea nicked Clinipodium. 14-4, 



Involucrated ; flowers densely spiked ; 

 calyx cylindrical, inside bald Majorana. 139. 



Invol. ; calyx cylindrical ; middle lobe 

 of the lip of the corolla not cut Thymus. 140. 



Invol. ; calyx cylindrical ; middle lobe 

 2-cut '. Calamintha. 142. 



Invol. 0; calyx gibbous at the base Agings. 141. 



Jnvol. 0; calyx enlarged above Melissa. 145. 



i. Stamens 4; corolla 2-lipped; calyx 2-lippedf 5-cut; 

 fllaments 2-forked, 



Stigma 2-cut Brunella. 150. 



k. Stamens 4; corolla 2-lipped; calyx 24ipped, 2 to 4i-cut, 



Calyx 3 or 4-cut Melittis. 146. 



Calyx 2-cut Scutellaria. 150. 



I. 119. LYCOPUS. Fuchs. Gypsey-wort . 



Calyx 4 or 5-cut, irregular, not 2-lipped ; mouth naked ; 

 torolla not lipped, tubular or 4-cut; upper lobe naked; 

 stamens 2, diverging ; ovary girt by a yellow gland, or sar- 

 coma. — Hairs distinctly partitioned, joints short, not swelled 

 at the base ; flowers axillary, sessile, in spurious whirls. 



1. Lycopus riparius. Bankside gypsey-wort. 



Stem rather hairy ; leaves oval, lanceolate, usually sinu- 

 ated, serrated, rather hairy. 



