POLEMONlACEiE. 83 



Stem leafy. Leaves pinnate; leaflets lanceolate or ovate-lan- 

 ceolate, acuminate. Plowers numerous, corymbose. Calyx deeply 

 5-cleft ; segments ovate-lanceolate, sub-acute. Corolla two or 

 three times as long as the calyx. Anthers oval. Plant glabrous, 

 or glandular-pubescent above. 



In bushy places and by the sides of streams ; probably wild in 

 Stafford, Derbyshire, Yorkshire, and Westmoreland. It also occurs 

 in many other counties both in England and Scotland, but very 

 doubtfully wild, 



England, [Scotland,] Ireland. Perennial. Summer. 



Rootstock shortly creeping. Stem erect, 18 inches to 3 feet high, 

 hollow, angular. Leaves with very numerous pairs of entire pinnae 

 ■J to 1 inch long, connected together by a narrow herbaceous strip, 

 which runs down each side of the common petiole. Elowers slightly 

 drooping, very numerous, in corymbose cymes terminating the stem 

 and branches, which taken together form a short corymbose-topped 

 panicle. Calyx-segments longer that the tube, which becomes 

 swollen and nearly globular after flowering. Corolla f to 1 inch 

 across, deep blue, thin ; segments broad, subacute, spreading. 

 Anthers yellow. Eilaments and style purple. Capsule erect, sub- 

 globular. Seeds 6 to 10 in each of the three cells, angular, with 

 a rugose testa produced into a short wing at the larger end. Plant 

 green, glabrous, the upper part of the stem, upper leaves, branches, 

 pedicels, and calyx generally clothed with very short gland-tipped 

 hairs. 



Jacobs Ladder. 



This plant is also known as Greek Yalerian. It is commonly admitted into our 

 gardens, where both flowers and foliage become variegated. 



EXCLUDED SFLCLLS. 



GILIA TRICOLOR. Benth. 



In corn-fields, near Merchiston Castle, Edinburgh. 



COLLOMIA GRANDIPLORA. Dougl. 



Has occurred in cultivated fields at Thirsk. 



