254 DIDYXAMIA ANGIOSPEKMIA. [CL. XIV) 



1. S. galericuldta. Common Skull-cap. Leaves lance-shaped, ere- 



nate, wrinkled, heart-shaped at the base ; flowers axillar. Stem 



about a foot high, erect, leafy : flowers purplish-blue. Perennial -. 

 flowers in July and August : grows on the stony banks of rivers 

 and lakes : frequent. Eng. Bot. vol. viii. pi. 523. Eng. Fl. vol. iii. 

 p. 113. 891. 



2. S. minor. Less Skull-cap. Leaves egg-shaped, entire, heart- 

 shaped at the base ; flowers axillar. From four to six inches 



high : flowers pale reddish-purple, the lower lip white, dotted with 

 red. Perennial : flowers in July and August : grows in watery- 

 places : not common. Eng. Bot. vol. viii. pi. 524. Eng. Fl. vol. iii. 

 p. 113. 892. 



20. PRUNE'LLA. SELF-HEAL. 



Calyx bell-shaped, two-lipped ; upper lip flat, dilated, abrupt, 

 with three very short, acute teeth ; lower lip much narrower, 

 straight, divided into two acute segments. Corolla gaping ; 

 tube short, cylindrical ; throat longer and wider ; upper lip 

 concave, entire, inflected ; lower lip reflected, divided into three 

 obtuse crenate lobes, the middle one broader. Filaments di- 

 rected towards the upper lip, awl-shaped, forked at the top ; 

 anthers on the lower branch of the filaments. Germen four- 

 lobed. Style thread-shaped, as lon as the stamens ; stigma 

 divided into two acute, recurved points. Seeds four, oval, in 

 the bottom of the closed calyx. Name, from the German 

 braune, a disease of the throat. 299. 



1. P. vulgdris. Self-heal. All the leaves between oblong and 

 egg-shaped, stalked ; teeth of the upper lip of the calyx very mi - 



mite. Stem from four to eight inches high, erect, leafy, downy, 



branched below, terminating in dense whorled spikes, of deep- 

 purple flowers, each whorl with two broad obtuse bracteas. Pe- 

 rennial: flowers in July and August: grows in meadows and pas- 

 tures : common. Eng. Bot. vol. xiv. pi. 961. Eng. Fl. vol. iii. p. 114. 



893. 



ANGIOSPERMIA. 



21. BA'RTSIA. BAKTSIA. 



Calyx of one leaf, tubular, coloured, with four acute, nearly 

 equal, marginal segments. Corolla gaping, a little compressed ; 

 tube short ; throat funnel -shaped ; upper lip longer, concave, 

 undivided ; lower lip reflected, deeply divided into three nearly 

 equal lobes. Filaments thread-shaped, incurved ; anthers two- 

 celled, a little hairy, collected under the upper lip. Germen 

 simple, egg-shaped, acute. Style thread- shaped, curved ; stigma 

 obtuse. Capsule egg-shaped, pointed, compressed, two-celled, 

 two-valved ; the partition contrary to the valve. Seeds nume- 

 rous, small, angular. Named after Dr. John Jlartsch, a Prus- 

 sian botanist. ~* 300. 



1. B. alplna. Alpine Bartsia. Leaves opposite, egg-shaped, ob- 

 tusely serrate ; stem square ; root creeping. Stems from four to 



