232 IMrORTANT FAMILIES OF PLANTS 



corns, (3j the Hint corns, (4) the deut corns, (5) the soft corns, 

 and (0) the sugar corns. 



Sugar cane (Saccharum officinarum) is the well-known 

 tropical and subtropical plant from which the greater part of 

 our sugar of commerce is derived. It is au Asiatic plant, but 

 there are no satisfactory records concerning its early 

 cultivation. 



Broom Com {^Sorghuui saccharatuin). — This is an African 

 J)] ant Avhich is grown in the United States for the manufacture 

 of brooms and for stock feed. 



QUESTIONS 



1. What are the distinguisliing characters of the families Crucifersp, 

 Leguminoseae, Rosaceae, Cucurbitaceae, Convolviilaceae, Solanaceae, Juglan- 

 daceae, Cupulifera, Solanaceae, Liliaceae and Graminacse. 



2. (a) Make a list of grain-producing plants. 

 (&) Give the origin of each. 



(c) Give the present range of each. 



(d) Give the uses of each. 



(e) Give the valuation of each. 



3. (a) Make a list of the fibre-producing plants. 

 (6) Give the origin of each. 



(c) Give the present range of each. 



(rf) Give the usesi of each. 



(p) Give the valuation of each. 



4. (a) Make a list of the fruit-producing plants. 



(b) Give the origin of each. 



(c) Give the present range of each. 

 {d) Give the uses of each. 



(e) Gi\-« the valuation of each. 



5. (a) Make a list of vegetable plants. 

 (6) Give the origin of each. 



(c) Give the present range of each. 



(d) Give the uses of each. 



(e) Give the valuation of each. 



6. (a) Make a list of luml)er trees. 

 (6) Give the origin of each. 



{c) Give the present range of each. 



{d) Give the uses of each. 



(c) Give the valuation of each. 



