This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Low mostly diffuse herbs, more or less pubescent with forked hairs, our species annual, with entire or pinnately lobed leaves, and very small white flowers in terminal racemes, the axis of the racemes much elongating in fruit. Stamens 6. Style wanting or very short. Silkies oval, obcompressed (i. e., at right angles to the partition), the valves with a strong midvein. Seeds numerous in each cell; cotyledons incumbent or accumbent. [Name in honor of Miss Hutchins, of Bantry, Ireland, an eminent botanist.]
Lepidium procumbens L. Spec. Pl. 643. 1753.
Hymenolobus divaricatus Nutt.; T. & G. Fl. N. A. 1: 117. 1838.
Capsella elliptica C. A. Meyer; Ledeb. Fl. Alt. 3: 199. 1831.
Tufted, somewhat pubescent, or glabrous, branching near the base, the branches ascending or procumbent, slender, 2'-6' long. Lower leaves short-petioled, pinnatifid, lobed, dentate or sometimes entire, 1/2'-1' long; upper leaves sessile or very nearly so, entire or lobed; flowers about 1/2" broad; pedicels very slender, ascending or spreading, 3"-6" long in fruit; pods elliptic or oval, mostly obtuse or emarginate, 1 1/2"-2" long; seeds several in each cell.
In moist ground, often in saline situations, Labrador to British Columbia, and widely distributed in the Pacific States. Also in Europe, Asia and Australia. June-Aug.
10. NÉSLIA Desv. Journ. Bot. 3: 162. 1814.
[Sphaerocarpus Heist.; Fabr. Enum. Pl. Hort. Helmst. 1763. Not. Adans. 1763.] An annual or biennial erect branching herb, hispid with branched hairs, with entire leaves, and small yellow racemose flowers. Silicles small, globose, wingless, reticulated, indehiscent, 1-celled, 1-seeded or rarely 2-seeded. Style filiform. Seed horizontal; cotyledons incumbent. [Dedicated to J. A. N. De Nesle, a French botanist.] A monotypic genus of Europe and eastern Asia.
Myagrum paniculatum L. Sp. Pl. 641. 1753. Neslia paniculata Desv. Journ. Bot. 3: 162. 1814.
Slender, branched above, rather densely rough-hispid, 1°-2° high. Leaves lanceolate, or the upper linear-lanceolate, acute or obtusish at the apex, sagittate-clasping at the base, 1'-21/2' long, 2"-8" wide; racemes elongated; flowers yellow, nearly 1" broad; pedicels filiform, ascending, 3"-s" long in fruit; silicles globose, or slightly depressed, about 1" in diameter, finely reticulated.
Rapistrum rugòsum (L.) All., a plant with 2-jointed indehiscent pods, erect on appressed pedicels, in long racemes, has been found as a waif at Easton, Penn., and plentifully in ballast about the seaports. It is related to Raphanus.