314 



NATURAL SCIENCE. 



May, 



weight = 210 ; there are clearly three atoms of acid hydrogen present, 

 therefore three of hydrogen correspond to 210 parts by weight of 

 citric acid. Similarly, one part of acid hydrogen corresponds to sixty 

 of acetic acid CH;.,, COOH, or three to 180. 



Plant. 



Ranunculace.^. 



Caltha s/. (Marsh Marigold) 



Crucifer.1l. 



Brassic^- 



-White Turnep (half grown) 



»i It II 



II (very young) 

 „ ,, another year 



,, „ " Bulb" (i in 



,, ,, (fine roots) 



Swede Turnep " Bulb " (3 

 „ ,, (fine roots) 



Field Cabbage (thick roots) 

 ,, ,, (fine roots) 



Garden Cabbage 



Brussels Sprouts 



Broccoli 



II • • • • 



Collards 



Rape . . 



Cochlearia armoracia (Horse-radish) 

 Alyssum sp. 



tf • • * * • * 



Cheiranilnis cheiri (Wall-flower) . . 



Matthiola sp. (Stock) 



II II • • 



Lunaria biennis (Honesty) 



CARYOPHYLLACE/li. 



Lychnis sp. (Scarlet) 



i> II .... 



Dianthus barbatus (Sweet William) 



If II II • • 



Trop^olace.t,. 



Tropxohuii sp. 

 Leguminos.e. 



Trifolium incarnatum (pot grown) 

 T. repens (White Clover) (pot grown) 



(field grown) 

 T. pratense (Red Clover) (pot grown) 



(field grown) 

 Pisimi sativum (Garden Pea) (pot grown 

 Vicia faba (Broad Bean) (pot grown) 



Rosacea. 

 Geiini sp. 



(field grown) 



Fragaria sp. (Strawberry) . . 



II •• •• ** *■ 



ONAGRACE.T:. 



(Enothera biennis (Evening Primrose 



UMBELLIFER.li. 



Pastinaca sativa (Parsnep) 

 Daucus car Ota (Carrot) 

 Petroselimtm sativum (Parsley) 



II »» 



Apiitm graveolens (Celery) . . 



diam.) 

 diam 



