This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Family, Polemonium. Color, blue. Parts of the flower in fives. Calyx and corolla, bell-shaped, the latter with short tube and open border. Flowers, few, in corymbs, about 1/2 inch long, nodding on weak, prostrate stems. Leaves, pinnate, 5 to 15 leaflets, ovate or lance-shaped. Upper ones often run together. May and June.
Woods, New York to Minnesota and southward. This dainty flower bears transplanting and thrives in our city gardens, where I have made its acquaintance.
 
Continue to: