i8o 



CLASSIFICATION 



times for opium, which is the inspissated millcy juice 

 of the unripe capsule. The seeds of Poppy and shial- 



kanta yield a kind of oil 

 which is used for lighting 

 purposes. Papaver orientale 

 and P. Argemone are com- 

 monly grown in gardens 

 during winter. The Order 

 is characterized by mostly 

 homogamous pollen flowers, 

 like the two plants mentioned 

 above. 

 Nat. Order 8. Cruciferce. — 

 Herbs, juice often pungent. Leaves radical, in a 

 rosette, also cauline alternate. Stipules o. Flowers 

 in racemes, without bracts. Sepals 4, in 2 whorls. 



Fig. 150. — A, Openings Flower with 

 Sepals caducous, and b, Pistil and 

 Single Stamen of Papaver 



Fig. 151. — Cruciferae 



X, Tetradynamous stamens with nectaries or glands at their base, n, Floral diagram. 

 3, Transverse section of silicula, showing replum. 4, Siliqua. 5, Silicula. 



free, imbricate, the lateral pairs often gibbous at the 

 base. Petals 4, clawed, cruciform. Stamens 6, tetra- 

 dynamous (fig. 151), 2 short ones in the outer whorl 



