THE MANY KINDS OF CROPS 



251 



kinds, cowpea, peanut or goober, alfalfa, clovers, sweet 

 clover, lespedeza, vetch; cruciferous or mustard-family crops, 

 mustard, cabbage, kale, rape, turnip, rutabaga, kohlrabi ; rose- 

 family crops, rose, apple, pear, plum, peach, almond, apricot, 

 cherry, quince, strawberry, blackberry, raspberry medlar, 

 loquat; cucurbitous 

 crops, pumpkin, 

 squash, melon, water- 

 melon, cucumber, 

 gherkin, gourds; 

 solanaceous crops, 

 potato, tomato, to- 

 bacco. Some of the 

 important crops be- 

 long to families that 

 do not yield other 

 leading cultivated 

 species, as buck- 

 wheat to the knot- 

 weed family, cotton 

 to the mallow family, 

 flax to the flax family, 

 hemp and hops to 

 the nettle family, 

 sugar-beet and other 

 beets to the goose- 

 foot family. 



424. How to Study a Crop. Every botany class should 

 know the leading crops of its vicinity and region, including 

 the grasses, the grains, the most important fruits and vege- 

 tables, and any special crops that maybe grown in the locality. 

 This knowledge may be derived from the experience of the 

 members of the class, from inquiries made of farmers and 

 from census figures. Having learned the kinds of crops and 

 their relative importance in the region, the class should 



428. A crop of sugar-cane. 



