258 DIDYNAMIA ANGIOSPERMIA. [cL. XIV. 



simple ; 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. Peren- 

 nial: flowers in July : grows in moist heathy pastures : common. 

 Eng. Bot. vol. vi. pi. 400. Eng. Fl. vol. iii. p. 129. 905. 



27. LINA'RIA. TOAD-FLAX. 



Calyx of one leaf, with five deep, oblong, permanent seg- 

 ments ; 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 ; anthers approaching each other. Germen 

 roundish or egg-shaped. Style thread- shaped, as long as the 

 stamens j stigma obtuse. Capsule roundish or oval, obtuse, two- 

 celled. Seeds numerous, roundish, 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. spuria. 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. An- 

 nual : 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. repens. Creeping Pale-blue Toad-flax. Leaves linear, glau- 

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



glaucous : root creeping : stems about a foot high, numerous, 

 branched, and panicled : 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.vulgdris. 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 



