CRUCIFER5:. 41 CHEIRANTHUS. 



8. TU'RRITIS. 

 Silique very long, linear, striate, 2-edged ; valves keeled 

 or nerved; seeds in a double row; calyx erect, converging; 

 corolla erect. 



Lat. turris, a tower ; the leaves and fruit giving the plant a pyramidal form. 



T. GLABRA. 



Stein erect ; radical leaves petiolate, dentate, with ramose hairs ; upper, broad 

 lanceolate, sagittate, smooth, half-clasping, glaucous ; siliques narrow, linear, 

 erect ; pcUils scarcely longer than tlie calyx. Stem 1| feet high, branching. 

 Flowers sulphur yellow, pale. June. Per. Tower Mustard. 



9. COCHLEA'RIA. 

 Silicle sessile, oblong or ovate, globose, with ventricose 

 valves; seeds many, not margined; petals entire; stamens 

 witliout teeth. 



Lat. cochlear, a spoon, in allusion to the concave leaves, which are hollow 

 like the bowl of a spoon. Flowers white. 



1. C. AQUA'tICA. Ea. 



Leaves all pinnatifid, the lower ones doubly and finely pinnatifid. Gjows 

 in wet ])laces, often partly submerged. Flowers white. June. Per. Eaton 

 supposes that it may be a variety of 'the common horse radisli. 



Water Horse Radish. 



2. C. Armora'cia. 



Pads elliptical ; radical leaves oblong, crenate ; cauline leaves long, lanceo- 

 late, toothed or cut ; root large, fleshy. The horse radish is a garden exotic, 

 cultivated as a condiment for roast beef and other viands. Stem "3 feet high. 

 Flowers white. May. Per. i^orse liadt^k. 



3. C. officina'lis. 



Pods oval, globose, half the length of the stalk; radical leaves stalked, 

 cordate ; cauline ones ovate, angular, dentate. A garden exotic, valuable for 

 its powerful medicinal properties, as antiscorbutic, and stimulating to the di- 

 gestive organs. Stems less than a foot high. Flowers white, in the spring 

 months. Ann. Scurvy Grass. 



10. CHEIRA'NTIIUS. 



Calyx closed; two of the leaflets gibbous at the base; pe- 

 tals dilated ; silique when young with a glandular tooth each 

 side; stigma 2-lobed; seed flat, sometimes margined. 



Name from the Arabic kheijry, the name of a certain plant, and the Greek 

 eivdoi, a flower. 



1. C. Cheiri. 



LertDfs lanceolate, acute, entire, smooth; Jrawf/ic? angular; stem somewhat 

 ■oody. From S. Et 

 colors and agreeable t 



woody. From S. Europe. A popular garden flower, admired for its various 

 "'2 odor. About 2 feet high. June. Per. Wall Floiver. 



D* 



