Review in Botany. 137 



their seeds or fruit ? Grain or Ce're-als. What other plants pro- 

 duce grain ? Rye, oats and barley. What other very useful plant 

 belongs to the order of grasses ? Sugar-cane. 



Which of these plants require the warmest climate ? Sugar- 

 cane and rice. What State is celebrated for sugar ? Where else is 

 sugar largely produced ? In South America and the West Indies. 



When wheat is ripe, what is done with it ? // is cut, threshed, 

 and ground into flour ; then the flour is mixed with water and a 

 little yeast, forming dough ; after the dough swells or rises, it is made 

 into loaves, put into the oven and baked. 



Where is rice the principal food of the inhabitants ? 



When wheat, rye, oats, and barley are threshed, what are their 

 stems or stalks called ? Straw. 



Which is the most useful garden vegetable? The potato. 

 Where is it indigenous? How is it cultivated? What useful 

 substance is made from the potato ? Starch. 



Where is the sugar-cane cultivated ? How is sugar obtained 

 from it? What is molasses? From what tree is a substance 

 obtained which is manufactured into sugar ? From what garden 

 vegetable ? How is sugar obtained from the maple tree? 



What drinks are made from trees, plants and vines, or their 

 products? 



How and from what part of the tea-plant is the drink made? 

 Of the coffee-plant? Of the chocolate tree ? From what is wine 

 made? Brandy? Cider? Raisins? Dried currants? What 

 countries are celebrated for the production of tea? Coffee? 

 Chocolate ? Wine ? Raisins ? 



What liquor is made from grain by distillation ? Whiskey. 

 From the malt of barley or other grain ? Beer. How is malt 

 obtained ? By steeping the grain, and then drying it. 



What plants yield substances from which people manufacture 

 clothing ? How is cotton obtained ? How manufactured ? What 

 does flax yield ? How is linen obtained from flax ? What oils are 

 obtained from the seeds of these two plants? What States pro- 

 duce the most cotton ? Where else is cotton cultivated ? Where 

 is cotton mostly manufactured into goods ? In England and the 

 Northern States, especially New England. 



Are cotton and flax annual or perennial ? Is tea an annual or 

 a perennial plant? 



