34i PHYSIOLOGY AT THE FARM. 



the Ranunculus ficaria, or Ficaria ranunculoides, figwort, or 

 lesser celandine ; and Nigella sativa, small fennel flower 

 since figwort has roots abounding in starch, and the young 

 leaves in Sweden are eaten as greens, while the seeds of 

 nigella are used in cookery. 



Nymphceacece, Water-lily order. -The Nymphcea alba, the 

 white water-lily, has roots which swine eat, but which are 

 refused by horses and kine. Of the seeds of the Nymplicea 

 lotus, the Egyptian lotus, the ancient Egyptians made bread. 



NupJiar Lutea. The common yellow nuphar is to a small 

 extent nutritious. Of the leaves and root swine are fond, but 

 both are rejected by horses, kine, and sheep. 



Victoria Regia. The Victoria water-lily is found in still 

 waters over the whole of eastern South America, The seeds 

 are used for food. They are roasted with Indian-corn, and 

 hence the plant is called water-maize. 



Nelumbiacece, Water-bean order. Nelurnbium luteum, yel- 

 low water-bean, has an edible root. The rhizomes, with tubers 

 like those of the sweet potato, are starchy, and are used for food. 

 Nelumbium speciosum, the sacred water -bean, the Egyptian 

 lotus, is edible. It is supposed to have been the Pythagorean 

 bean. The rhizome of this plant is used for food in China. 



Papaveracece, Poppy order. Papaver somniferum, the Ori- 

 ental poppy, whence opium is produced, belongs to dietetics, 

 inasmuch as the seeds yield a bland oil much used at table on 

 the continent of Europe, while the poppy-oil cake furnishes food 

 for cattle. 



Cruciferce or Brassicacece, Cabbage order, Brassica rapa, 

 the common turnip ; Brassica campestris, the origin of the 

 Swedish turnip ; Brassica nap us, rape or cole wort ; Brassica 

 pleracea, the type whence the varieties of cabbage, broccoli, 

 cauliflower, and greens are derived by cultivation; Crambe 

 maritima, sea-kale ; Coclilearia officinalis, scurvy grass ; Lepi- 



