360 CLASS XIV. ORDER I. 



PEDICULA'HIS. Calyx ventricose, 5-cleft or obliquely truncate ; corolla rin- 

 gent ; upper lip arched, emarginate and compressed ; capsule 2-celled, mucro- 

 nate, oblique ; seeds numerous, angular, coated. (Leaves many cleft.) 40. 35 

 (louse wort, high heal-all). S. 



MI'MULUS. Calyx prismatic, 5-toothed ; corolla ringent; upper lip folded 

 back upon its sides, lower lip with a prominent palate ; stigma thick, 2-cleft ; 

 capsule 2-celled, many seeded ; seeds minute. 40.40 (monkey -flower). S. 



CHF.LO'NI:. Calyx 5-cleft or 5-leaved, 3-bracted ; corolla ringent, inflated ; 

 the upper lip emarginate-obtuse, under lip slightly 3-cleft ; the rudiment of a 

 smooth filament between, and shorter than the two tallest stamens ; anthers 

 woolly ; capsule 2-celled, 2-valved ; seeds with membranous margins. 40. 45 

 (snake-head). 5. 



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

 diment of a bearded filament between, and longer than the two tallest stamens ; 

 anthers smooth ; capsule 2-celled, 2-valved, ovate ; seeds numerous, angular. 

 (Taken from the last genus). 40.45 (beard tongue). S. 



Exotic. 



DIGITA'LIS. Calyx 5-parted ; corolla bell-form, ventricose, 5-cleft ; stigma 

 simple or bilamellate ; capsule ovate, 2-celled. (Flowers racemed). 40. 40 

 (foxglove)- 



CLASS XIV. TETRADYNAMIA. 



ORDER I. SII.ICULOSA. 



THLAS"PI. Calyx spreading, equal at the base ; filaments distinct, without 

 teeth; silicle compressed, emarginate, obcord ate, many-seeded; valves resem- 

 ble two boats with the keels outward. 39. 63 (shepherd's purse). S. 



LEPID"IWM. Calyx spread ing ; corolla regular; silicle emarginate, cordate 

 or oval ; cells 1-seeded ; valves carinate, dehiscent ; partition contrary- Co- 

 tyledons incumbent. 39. 6'^ (pepper- grass). S. 



COCHLEA'RIA. Silicle thick, rugose, many-seed, 2-valved ; valves gibbous, 

 obtuse : partition nearly parallel to the valves. 39. 63 (horse-radish, water- 

 radish). 



Exotic. 



LUWA'RIA. Silicle entire, oval, flat-compressed, pedicelled ; valves equal- 

 ling the partition, parallel, flat ; calyx consists of coloured sack-like leafets. 

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



ORDER II. BILIQU08A. 



DENTA'RIA. Silique lanceolate ; valves flat, nerveless, often opening elas- 

 tically : receptacles not winged : funicule dilated : seeds in a single series, 

 ovate, not margined ; cotyledons accumbent 39. 63 (trickle-root.) S. 



CARDAMINE. Calyx leaves spreading but little : stigma entire : a single 

 gland between each of the short stamens and the calyx ; silique with Truncate 

 margins, linear, long, bursting elastically with revolute valves, narrower, but 

 equalling the length of the partitions ; seed with a slender funicule, not mar- 

 gined. 39. 63 (American water-cress). -S. 



AR"ABIS Glands 4, one within each leafet of the erect calyx, of the size of 

 the reflected scale ; silique compressed, torulose, sub- divaricate; valves flat, 

 1-nerved : seeds arranged in a single series. Cotyledons accumbent. 39. 63 

 (wall-cress). 5 



ERYS"IMUM. Nasturtium. Calyx and corolla spreading : silique bursting, 

 not elastically ; beak short and terete valves nerveless, not keeled, straitish, 

 concave. Cotyledons accumbent. 39. 63 (English water-cress, water- 

 radish). S 



CHKIRAN'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. 39. 63 (stock-july-flower, wall- 

 flower). & 



SINA'PIS- Calyx spreading ; corolla with strnit claws ; glands between the 

 short stamens and the pistil, and between the long stamens and the calyx ; 

 partition extending beyond the valves of the silique, ensiform ; seeds in a sin- 

 gle series. Cotyledons conduplicate. 39. 63 (mustard). 



RAPHA'NUS. Calyx closed, setose ; silique torose, terete, not opening by 

 valves, 1 or 2-celled ; glands between the short stamens and pistil, and be- 

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