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, Pulse. The standard of the white corolla is longer than the other petals. The flowers grow in elongated, spike-like racemes. Leaflets, narrow to oblong, finely serrate.
A tall species, fragrant when dried, like the scent of new-mown hay. At night 2 of the leaflets fold together. The other, says Mr. Gibson, "is left out in the cold."
A roadside plant, sometimes a weed, but one that likes rich soil.
Family, Pulse. Corolla, sometimes white, but more often a pale blue. (Sec p. 317.)
 
Continue to: