NBPBTA.] LABIATE. 323 



SUB-GEN. 2. Glecho ma, L. (gen.). Whorls axillary ; bracts all large 

 and leaf-like. Corolla-tube long ; mid-lobe of lower lip obcordate, flat. 

 Anthers conniving and forming a cross ; cells each with a slit. 



2. N. Glecho'ma, Beiith. ; procumbent, leaves ovate- or orbicular- 

 reniform deeply crenate, flowers blue-purple. Glecho'ma hedera'cca, L. 

 Ground Ivy. 



Hedges and copses, from Caithness southd. ; ascends to 1,350 ft. in Derby ; 

 Ireland ; Channel Islands ; fl. March-June. Perennial, mere or less pu- 

 bescent. Stems 6-18 in., rooting at the base, slender, branched. Leaves 

 f-lf in. diam., petiole |-2 in. Whorls 3-6-fld. ; bracteoles subulate, 

 equalling the short pedicels. Flowers dimorphic, larger 2-sexual, smaller 

 female. Calyx-teeth short, recurved. Corolla 5 1 in., tube very variable in, 

 length. Nutlets granulate. DISTRTB. Europe (Arctic), N. and "W. Asia ; 

 introd. in U. States. Bitter and aromatic, formerly used for beer, occa- 

 sionally for tea. 



8, BRUNEI, LA, L. SELF-HEAL. 



Small, hairy, perennial herbs. Whorls about 6-fld., in dense terminal 

 heads, surrounded by orbicular leaf-like bracts ; flowers purplish, rarely 

 white. Calyx subcampanulate, reticulate, 2-lipped, closed in fruit ; upper 

 lip flat, 3-toothed, lower 2-lobed ; throat naked. Corolla-tube broad, 

 ascending, with a short hairy basal ring inside ; upper lip erect, concave, 

 lower spreading, lateral lobes deflexed, mid-lobe concave. Stamens 4, 

 exserted, filaments glabrous 2-toothed at the tip, lower tooth antheriferous ; 

 anthers conniving in pairs under the upper lip, cells diverging. Disk 

 erect, symmetrical. Style-lobes subulate. Nutlets oblong, smooth. 

 DlSTBlB. N. and S. temp, regions ; species 3. ETYM. Doubtful. 



B. vnlga'ris, L. ; leaves ovate-oblong, corolla not twice as long as 



the purplish calyx. Prunel'la xulgaris, L. 



Pastures and waste places, N. to Shetland ; ascends to 2,400 ft. in Yorkshire ; 

 Ireland; Channel Islands; fl. July-Sept. More or less hairy. Rootstcck 

 creeping. Stems 4-12 in., erect or ascending, branches often abbreviated. 

 Leaves 1-2 in., petioled, uppermost sessile, ovate-oblong or oblong-lanceo- 

 late, entire toothed or subpinnatifid. Whorls in cyliudric 1-3 in. spikes ; 

 bracts broadly ovate-cordate, ciliate, green with purple edges ; bracteoles ; 

 pedicels very short. Flowers dimorphic, larger 2-sexual, proterandrous, 

 smaller female. Calyx-teeth minute, mucronate. Corolla i|-f in., purple, 

 rarely rosy or white. DISTRIB. Europe (Arctic), N. Africa, temp. Asia, 

 America. Australia. 



9. SCUTELLA'RIA, L. SKULL-CAP. 



Slender herbs, rarely shrubs. Flowers solitary or in pairs, axillary or in 

 terminal spikes or racemes. Calyx campanulate, 2-lipped, tube dilated 

 opposite to the posterior lip into a broad flattened hollow pouch, lip and 

 pouch deciduous in fruit, mouth closed after flowering, persistent. Corolla- 

 tube long, naked inside, throat dilated ; upper lip entire or notched ; 

 lower dilated, lateral lobes free spreading. Stamens 4 ; anthers 



Y 2 



