CLASS XIV. 155 



nate; each pair of anthers approaching so as to exhibit the form of a 

 cross. (ground ivy, gill-overground.) 



Exotic. 



LAVAN"DULA. Calyx ovate, sub-dentate ; bracts under-studded; co- 

 rolla resupinate ; stamens in the tube. (lavender.) 



B. Calyx %-lipped. 



PRUNEI/'LA. Calyx with the upper lip dilated ; filaments 2-forked, 

 with an anther on one of the points; stigma 2-cieft. (self-heal, or 

 heal-all.) 



SCUTELLA'RIA. Calyx with an entire mouth, which is closed with a 

 helmet-form lid after the corolla falls out ; tube of the corolla bent. 

 (scull-cap.) 



Exotic. 



THY^MUS. Calyx sub-campanulate, with the throat closed with 

 hairs ; corolla with the upper lip flat, emarginate ; lower lip longer.- 

 (thyme.) 



Order 2. Angiospermia. Seeds in a capsule. 



ANTIRRHI'NUM. Calyx 5-leaved or deeply 5-parted ; the two lower 

 divisions remote ; corolla personate or ringent, spurred, or with a pro- 

 minent base ; the throat closed with a prominent palate ; capsule ovate, 

 2-valved, dehiscent at the apex, with reflexed teeth. (snap-dragon, 

 toad-flax.) 



GERAR"DIA. Calyx 5-cleft or 5-toothed ; corolla sub-campanulate, 

 unequally 5-lobed ; segments mostly rounded ; capsule 2-celled, dehi- 

 scent at the top. (false foxglove.) 



PENTSTE'MON. Calyx 5-cleft or 5-leaved; corolla ringent, inflated; 

 the rudiment of a bearded filament between, and longer than two 

 tallest stamens; anthers smooth; capsule 2-celled, 2-valved, ovate; 

 seeds numerous, angular. 'beard tongue.) 



CLASS xiv. TETRADYNAMIA. Having six stamens Four sta- 

 mens longer than the other tico. 



Order 1. Siliculosa. Short pod. 



Exotic. 



LUNA / RIA. Silicic entire, oval, flat-compressed, pedicelled ; valves 

 equalling the partition, parallel, flat ; calyx consists of coloured sack- 

 like leafets. 39. 63. (honesty, or satin-flower.) 



Order 2. Siliquosa. Long pod. 



CHEIRAN'THUS. Calyx closed, two of the leafets gibbous at the base ; 

 petals dilated ; silique, when young with a glandular tooth each side ; 

 stigma 2-lobed; seed flat, sometimes margined. (stock-july-flowerj 

 wall-flower.) 



SINA'PIS. Calyx spreading; corolla with strait claws; glands be- 

 tween the short stamens and the pistil, and between the long stamerii 



