P0LEM0NIA.CE.1C. 83 



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

 ceolate, acuminate. Flowers numerous, corymbose. Calyx deeply 

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

 tbree times as long as tbe calyx. Antbers oval. Plant glabrous, 

 or glandular-pubescent above. 



In busby places and by tbe 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. 



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

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

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

 which runs down each side of tbe common petiole. Flowers slightly 

 droopiug, very numerous, in corymbose cymes terminating tbe stem 

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

 panicle. Calyx-segments longer tbat 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. Filaments and style purple. Capsule erect, sub- 

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

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

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

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

 hairs. 



Jacob's Ladder. 



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

 gardens, where both flowers and foliage become variegated. 



EXCLUDED SPECIES. 



GILIA TRICOLOR. Bmik 

 In corn-fields, near Merchiston Castle, Edinburgh. 



COLLOMIA GRANDIPLORA. DougL 

 Has occurred in cultivated fields at Thirsk. 



