BRASSICACEAE. 147 



1. Brassica integrifolia (West) 0. E. Schulz, in Urban Symb. Ant. 3: 509. 

 1903. 



Sinapis integrifolia West Bidr. St. Croix, 296. 1793. 



Glabrous or sparingly pilose below, pale green, slightly glaucous, 8 dm. 

 high or less. Basal and lo^vest cauline leaves broadly obovate, or elliptic- 

 obovate, coarsely dentate, obtuse, long-petioled, often 2-lobed near the base; 

 upper leaves oblong to linear, few-toothed or entire, mostly acute, short- 

 petioled or sessile ; racemes loosely several-many-flowered, erect ; pedicels fili- 

 form, 6-12 mm. long; petals light yellow, 6-9 mm. long, broa(31y obovate, 

 clawed; pods erect-spreading, 3-4 cm. long, about 2 mm. thick, the slender 

 beak 4-7 mm. long. 



Cultivated soil. New Providence ; Great Exuma at Georgetown : — Porto Rico to 

 St. Jan and Trinidad ; Jamaica : Yucatan ; native of Asia. Recorded by Doiley as 

 Sinapis hrassicata L. Wild Mustard. 



3. SINAPIS L. Sp. PI. 668. 1753. 



Annual or biennial, usually erect, branching more or less hispid herbs, 

 with pinnatifid or lobed leaves, and rather large, mostly yellow flowers in 

 terminal racemes. Siliques linear, nearly terete, constricted between the seeds, 

 sessile in the calyx, tipped with a flat sword-like beak which sometimes con- 

 tains a seed near its base, its valves 3-5-nerved. Seeds oblong or subglobose, 

 not winged nor margined. Cotyledons conduplicate. [Name Greek, said to 

 come from the Celtic for turnip.] About 5 species, natives of southern 

 Europe. Type species: Sinapis alha L. 



1. Sinapis arvensis L. Sp. PI. 668. 1753. 



Brassica Sinapistrum Boiss. Voy. Esp. 2: 39. 1839-45. 



Erect, 3-6 dm. high, hispid with scattered stiff hairs, or glabrate. Leaves 

 oblong to elliptic, dentate, denticulate or subpinnatifid ; flowers 1-1.6 cm. broad ; 

 pedicels stout; pods glabrous, spreading or ascending, somewhat constricted 

 between the seeds, 1-1.6 cm. long, 2 mm. wide, tipped with a flattened elongated- 

 conic often 1-seeded beak 10-12 mm. long, the valves strongly nerved. 



Waste groimds near Nassau, New Providence. Native of Europe: naturalized 

 in continental North America and also in Bermuda and Jamaica. Charlock. 



4. RADICULA Hill, Brit. Herb. 264. 1756. 



Branching herbs, with simple or pinnate, lobed dissected or rarely entire 

 leaves, and small yellow flowers. iSepals spreading. Stamens 1-6. Pods 

 short, terete or nearly so. Stipe none. Valves nerveless or 1-nerved. Style 

 short or slender. Stigma 2-lobed or nearly entire. Seeds turgid, minute, in 2 

 rows in each cell or very rarely in 1 row. Cotyledons accumbent. [Name 

 Latin, diminutive of radix, root.] About 50 species, of wide geographic dis- 

 tribution, most abundant in the north temperate zone. Type species: Sisym- 

 hrium amphibium L. 



