TETRAD YNAMIA SILIQUOSA. Sinapis. 195 



those of the stem smooth ; the uppermost entire, or 

 shghtly toothed. E. B, 2176. Rapum majus. G. 

 E. 232. 



Cultivated fields f and their borders. 

 Bien. April. 



Root a continuation of the stem. Stem upright, branched, ieafy, 

 one to three f., and more smooth. Ls. upper stem ones, heart- 

 shaped, embracing the stem, tapering to a point, somewhat 

 "glaucous : root-ones stalked, deep green. Fl. bright yellow, 

 numerous, rather large, in terminal corymb, lengthening. Cat. 

 widely spreading. Siliq. cylindric, veiny, smooth, sub-erect. 

 Root winter food for cattle, and for the table : rendered sweet 

 by cultivation. Aperient, flatulent : the fermented juice by distil- 

 lation becomes an ardent spirit. The roots in a cellar, or in sand, 

 send out winter sprouts for salad. Introduced into this country as 

 an agricultural object of extent, by Lord Towmsend, in the time of 

 George the First. Root of extraordinary size occasionally ; viz. 

 thirty-six pounds, and four turnips together of an hundred weight, 

 Martyn. 



Turnip poultice useful application to broken chilblains. The 

 Swedish turnip surely a distinct species. 



^. campestris . Common TVild Navew\ Root tapering. 

 Root leaves lyre-shaped, rough ; stem-leaves smooth, 

 clasping, oblong, partly wing-cleft ; all somewhat glau- 

 cous. E. B. 2234. 



Sides of rivers, marsh ditches. Between Cropredy and Morlington. 

 Fl. Br. 



An. June, July, 



Stem slender, erect, branched, leafy, one to two f.,'somewhat glau- 

 cous. Ls. stem-ones heart-shaped-arrow-shaped at the base, 

 uppermost entire, tapering to a point. FL yellow, pet. roundish 

 in the limb. Siliq. upright, cylindric, or obscurely four-cornered, 

 veiny. Seeds slightly project. Beak awl-shaped, slightly 

 furrow^ed, square at the base. 



Var.fl. white. 



SINA'PIS." Mustard. 



S. • arvPMsis. Wild M, Charlock. ^ Siliques ^vith 

 many angles, swollen, rugged, much longer than their 

 own awl-shaped beak. Leaves toothed ; partly lyre- 



1 Naveau, Fr. 



2 Seque lacesseuti fletum fdctura sinapis. Columella. 



3 Cerlice, Ang. Sax, 



o 2 



