CLASS XV. ORDER II. 75 



exactly 4-sided. 39. 63 — o^cfwa/e, (hedge-mustard) 

 leaves runcinate, siliques pressed close to the stem. 

 0. y .—bar bare a^ (wintercress) lower leaves lyrate, 

 with a roundish terminal lobe, upper leaves obovate 

 toothed. % . y. 



Brassica. Calyx erect, converging : partition 

 extending beyond the valves of the silique : seed 

 globose : glands between the short stamens and 

 pistil, and between the long stamens and calyx. 

 39. 63. — oleracea^ (cabbage) leaves smooth glau- 

 cous repand-lobed. % . e.' — najiusy (rape) leaves 

 smooth, upper ones lance-cordate clasping, lower 

 ones lyrate toothed, silique torulose. % . e. — rapa, 

 (turnip) root orbicular depressed, radical leaves 

 Jyrate scabrous, cauline ones entire smooth. % . e. 



Raphanus. Calyx closed, setose : silique torose, 

 somewhat jointed, terete, not opening by valves, 1 

 or 2-celled : glands between the short stamens and 

 pistil, and between the long stamens and calyx. 39. 

 63 — raJihanistrujTi^ (white radish) leaves lyrate, 

 silique 2-celled when immature, and not jointed, in 



maturity 1 -celled and jointed. (2)« w. or y. e satU 



vus) (garden radish) leaves lyrate, silique terete 

 torose 2-celled. (^. e. YdLV-fusiformis^ root spindle 

 form ; globosa^ root globose ; niger, root blackish 

 and sharp-tasted. 



Cheiranthus. Calyx closed, two of the leaf- 

 cts gibbous at the base : petals dilated : silique 

 ^vhen young with a glandular tooth each side : stig- 

 ma 2-lobed : seed flat. 39. 63 — chiri, (stock- july- 

 flower) leaves lanceolate acute glabrous, e. 



B. Calyx-leaves sfiread, not lying closed ufion the 

 coral when the Jiowers are mature, 



Cardamike. Calyx leaves spreading but little : 



stigma entire : a single gland between each of the 



.short stamens and thd calyx : silic^ue long bursting 



