98 



DE CANDOLLE'S SYSTEM. 



butic, all more or less pungent. Radishes, Turnips, Mustard, 

 Cress, Cabbage and all its varieties, Rape, Charlock, are well- 

 known plants of the order. 



TYPICAL GENERA. Brassica, Sinapis, Draba. 



Fruits of various genera. 6. Siliqua of Mathiola livida. 7. Silicula of Thlaspi 

 latifolium. 8. Silicula of Alyssum spatlmlatum. 9. Silicula of Schiverukia podolica. 

 10. Silicula of Farsetia. 12. Seed of Didesmus -/EgjT>tius cut across. 13. Silicula 

 of Menonvillea linearis. 14. Seed of Lepidium Africanum. 15. Silicula of jEthio- 

 nema cristatum. 16. Seed of Heliophila crithmifolia. 17. Seed of Mathiola oxy- 

 ceras. 18. Siliqua of Mathiola oxyceras. 19. Silicula of Didesmus -(Egyptius. 20. 

 Silicula of Senebiera serrata. 



13. Papaver ace fE. Herbaceous plants or shrubs with a 

 milky juice. Leaves alternate, without stipules. Sepals 2. 

 Petals either 3 or 4, or some multiple of that number. 

 Stamens hypogynous, generally numerous. Fruit 1-celled, 

 with parietal placentae. Seeds numerous. 



USES. A narcotic milk pervades the species ; that of 

 Papaver somniferum becomes opium when inspissated. The 

 roots of Meconopsis Nepalensis are a deadly poison. San- 

 guinaria Canadensis is emetic and purgative in large doses, 

 stimulant and diaphoretic in smaller. 



TYPICAL GENERA. Papaver, Glaucium. 



14. Capparidacece. Herbaceous plants, shrubs, or trees, 

 without true stipules. Leaves alternate. Sepals 4. Petals 4, 

 cruciate. Stamens definite or indefinite. Disk hemispherical, 



