158 



CRUCIFERAE. 



Vol. IL 



I. Bursa Bursa-pastoris (L.) Britton. Shep- 

 herd's-purse, -bag or -pouch. Fig. 2022. 



Thlapsi Bursa-pastoris L. Sp. PI. 647. 1753. 

 B. pastoris Weber in Wigg. Prim. Fl. Hoist. 47. 1780. 

 Capsella Bursa-pastoris Medic. Pfl. Gatt. i : 85. 1792. 

 Bursa Bursa-pastoris Britton, Mem. Torr. Club 5; 172. 

 1894. 



Erect, branching, 6-20' liigh from a long deep 

 root, pubescent below, mainly glabrous above. Basal 

 leaves more or less lobed or pinnatifid, forming a 

 large rosette, rarely entire, 2'-$' long; stem-leaves 

 few, lanceolate, auricled dentate or entire, flowers 

 white, about i" long; pedicels slender, spreading or 

 ascending, S"-7" long in fruit; pods triangular, 

 cuneate at the base, truncate or emarginate at the 

 apex, 2"-4" long; seeds 10 or 12 in each cell. 



In fields and waste places, very common. Naturalized 

 from Europe, and widely distributed as a weed over all 

 parts of the globe. Consists of several races. Jan.-Dec. 

 Other names are St. James'-weed, case-weed, mother's 

 heart. Pick-purse. Pick-pocket. Lady's-purse. Witches'- 

 pouches. Shovel-weed. Wind-flower. Pepper-plant. 

 Toothwort. Toywort. 



9. HUTCHINSIA R. Br. in Ait. Hort. Kew. Ed. 2, 4: 82. 1812. 



[Hymenolobus Nutt.; T. & G. Fl. N. A. i : 117. 1838.] 

 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 

 a.xis of the racemes much elongating in fruit. Stamens 6. Style wanting or very short. 

 Silicles 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.] 



About 8 species, natives of the northern hemisphere, only the following known in North Amen 

 ica. Type species: Hutchinsia petraea (Willd.) R. Br. 



I. Hutchinsia procumbens (L.) Desv. Prostrate Hutchinsia. Fig. 2023. 



Lepidium procumbens L. Spec. PI. 643. 1753. 



Hutchinsia procumbens Desv. Journ. Bot. 3; 168. 1814. 



Hymenolobus divaricatus Nutt.; T & G. Fl N. A. i: 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, pin- 

 natifid, lobed, dentate or sometimes entire, i'-i' long; 

 upper leaves sessile or very nearly so, entire or lobed; 

 flowers about i" broad; pedicels very slender, ascend- 

 ing or spreading, 3"-6" long in fruit; pods elliptic or 

 oval, mostly obtuse or emarginate, ii"-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. NESLIA Desv. Journ. Bot. 3: 162. 1814. 



[Sphaerocarpus Heist.; Fabr. Enum. PI. 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, i-celled, i-seeded or rarely 2-seeded. Style filiform. Seed horizontal; coty- 

 ledons incumbent. [Dedicated to J. A. N. De Nesle, a French botanist.] 

 A monotypic genus of Europe and eastern Asia. 



