258 DIDYNAMIA ANGIOSPEHMIA. [CL. XIV. 



pie; calyx oblong, angular, smooth, with five unequal notched segments. 



Stems about eight inches long, the central one erect, the others 



spreading : leaves twice pinnatifid, root-leaves egg-shaped, undivided, 

 crenate: flowers bright rose-coloured. Perennial: flowers in July: grows 

 in moist heathy pastures: common. Eng. Bot. vol. vi. pi. 400. Eng. 

 Fl. vol. iii.pl. 129. 



27. LINA'RIA. TOAD-FLAX. 



Calyx of one leaf, with five deep, oblong, permanent segments ; 

 the two lower more distant from each other. Corolla gaping, 

 spurred at the base ; upper lip cleft, reflected at the sides ; lower 

 lip obtuse, three-lobed, with an elevated palate, closing the mouth, 

 and hollow beneath. Filaments concealed by the upper lip ; an- 

 thers approaching each other. Germen roundish or egg-shaped. 

 Style thread-shaped, as long as the stamens ; stigma obtuse. Cap- 

 sule roundish or oval, obtuse, two-celled. Seeds numerous, round- 

 ish, or angular, attached to an oblong, cylindrical receptacle, 

 in the middle of the partition. Name, from linum, flax, which 

 the leaves resemble. 306. 



1. L. Cymbaldria. Ivy-leaved Toad-flax. Leaves heart-shaped, five- 



lobed, alternate ; stems procumbent. Stems procumbent or pendulous, 



round, smooth, leafy : leaves alternate, stalked, shining : flowers pale- 

 purple, with a yellow palate, and short pointed spur. Perennial : flowers 

 from May to November : grows on old walls : common, but introduced. 

 Eng. Bot. vol. vii. pi. 502. Eng. Fl. vol. iii. p. 131. 906. 



2. L. tpuria. Round-leaved Toad-flax. Leaves egg-shaped, downy, 



alternate ; stems procumbent, hairy. Stems branched, leafy : leaves 



mostly alternate, the lowermost only opposite : flowers on slender, axillar 

 stalks : corolla with a recurved greenish spur, the upper lip purple, the 

 lower yellow, with an orange palate. Annual : flowers from July to 

 September: grows in corn-fields in England: rare. Eng. Bot. vol. x. 

 pi. 691. Eng. Fl. vol. iii. p. 131. 907. 



3. L. Eldtine. Sharp-pointed Toad-flax. Leaves halberd-shaped, 

 alternate, the lowest egg-shaped, opposite ; stems procumbent, hairy. 



Upper lip of the corolla yellow, lower lip edged with deep purple. 



Annual : flowers from July to September : grows in corn-fields in England : 

 frequent. Eng. Bot. vol.x. pi. 692. Eng. Fl. vol. iii. p. 132. 908. 



4. L. rtpens. Creeping Pale-blue Toad-flax. Leaves linear, glaucous, 



scattered ; calyx smooth, as long as the spur. Smooth and glaucous : 



root creeping : stems about a foot high, numerous, branched, and pani- 

 cled : leaves entire, erect, the upper alternate : flowers Numerous, in 

 panicled clusters : spur conical, pale-grey ; lower lip of the same colour ; 

 palate yellow ; upper lip and tube striped with blue. Perennial : flowers 

 from July to September : grows on dry banks and on rocks near the sea, 

 in the south-west of England and in Wales. Eng. Bot. vol. xviii. pi. 

 1253. Eng. Fl. vol. iii. p. 133. 909. 



5. L. vul^iiris. Common Yellow Toad-flax. Leaves between lance- 

 shaped and linear, crowded ; spikes terminal ; flowers imbricated ; calyx 



smooth, shorter than the spur. The whole plant smooth : stems two 



feet high, densely covered with narrow acute leaves, with a terminal 

 dense spike of yellow flowers, having an orange-coloured palate. A 



