MUSTAED FAMILY. 523 



Alabama: A fugitive on ballast. Mobile, August, 1891 (not seen since). 

 Herb. (Jeol. Surv. 



Cakile chapmani Millspaugh in lit. 



Cukile marititna var. aequalis Chap. Fl. 31. 1860. Not C. acqualis L'Her. 1827. 



Gray, Syn. Fl. N. A. 1, pt. 1 : 132. Griseb. Fl. Brit. W. Ind. 14. 



West Indies. 



Lonisianian area. Florida to Mississiiipi. 



Alabama : Wet sands and borders of sandy saline pools on the seashore, Dauphin 

 Island. Flowers purplish. June to August; frequent. Annual. 



I'rostrate, tardily ascending, much branched, 1 to 2 feet long; racemes elongated, 

 4 to 6 inches long. 



Type locality : "Drifting sands along the coast." 



Herb. Geol. Surv. Herb. Mohr. 



SISYMBRIUM L. Sp. PI. 2 : 657. 1753. 



Fifty si^ecies (Engl. & Prantl), temperate regions both hemispheres. 

 Sisymbrium officinale Scop. Fl. Carn. ed. 2, 2 : 26. 1772. Hedge Mustard. 



Erysimum officinale L. Sp. PI. 2 : 660. 1753. 



Eli. Sk. 2 : 148. Gray, Man. ed. 6, 72. Chap. Fl. 28. Wats. Bot. Calif. 1 : 41. Grav, 

 Syn. Fl. N. A. 1, pt. 1 : 137. 



EXTROPE. 



Alleghenian to Lonisianian area. Naturalized and widely distributed from Canada 

 to the Gulf; also in California. 



Alabama : Over the State. Waste places, common wayside weed. Flowers yellow. 

 Annual. 



Type locality : "Hab. in ruderatis et circa vias.'" 



Herb. Geol. Surv. Herb. Mohr. 



BRASSICA L. Sp. PI. 2 : 666. 1753. 



Fifty species, Europe and Asia; including the many cultivated v.arieties of cab- 

 bages, turnips, ruta-baga, colza, and mustard. 



Brassica campestris L. Sp. PI. 2 : 666. 1753. Turnip. Ruta-baga. 



Europe. 



Escaped from cultivation and advehtive in the wild form over the continent. 

 Alabama: Fugitive on ballast heaps. Mobile, May. 

 Type locality: " Hab. in agris uon argillosis Europae.'' 

 Herb. Geol. Surv. Herb. Mohr. 



Brassica nigra (L.) Koch in Roehl. Deutschl. Fl. ed. 3, 4 : 713. 1833. 



Black Mustard. 



Sinajyis nigra L. Sp. PI. 2 : 668. 1753. 



Gray, Man. ed. 6, 72. Chap. Fl. ed. 3, 28. Britt. & Br. 111. Fl. 2 : 118. 



Europe. 



Alleghenian to Lonisianian area. Extensively naturalized in fields and waste 

 places in the Nortliern States. 



Alabama: Adventive on ballast. Mobile County. Annual. 



Economic uses : The seed is the "black mustard seed " or " Sinapis " of the United 

 States Pharmacopceia. 



Type locality: "Hab. in aggeribus ruderatis Europae septentrionalioris." 



Herb. Geol. Surv. Herb. Mohr. 



DIPLOTAXIS DC. Syst.2:628. 1821. 



About a dozen species. Central and southern Europe. 

 Diplotaxis muralis (L.) DC. Syst. 2 : 634. 1824. Wall Rocket, 



Sisymbrium murale L. Sp. PI. 2 : 658. 1753. 



Gray, Syn. Fl. N. A. 1, pt, 1 : 134. Britt. &. Br. III. Fl. 2 : 120. 



Europe. 



Alleghenian to Lonisianian area. Adventive with ballast near seaports from 

 eastern Canada to western Florida. 



Alabama: On ballast along the Mobile River, observed every year for the past 

 fifteen years. Flowers butf yellow ; May to September. A common ill-scented ballast 

 weed. Annual or biennial. 



Type locality: "Hab. Gallia, Sicalia." 



Herb. Geol. Surv. Herb. Mohr. 



