190 



Plants and man 



the LOGANBERRY is a hybrid of the European raspberry and a 

 California dewberry, produced by Judge Logan of Santa Cruz, 

 California, in 1881; while the primus berry is a Burbank cross 

 between the blackberry and the raspberry. 



The Gourd Family 



The Gourd Family is characterized by a special kind of berry 

 fruit known as a pepo; the outer rind-like part of the fruit is 

 developed from the receptacle of the flower and the outer part of 



Fig. 128. — Squash and pumpkin have funnel-shaped flowers and a special 

 kind of berry fruit with a hard outer rind and a softer inner portion surrounding 

 the seeds. 



the ovary. The inner part of the ovary, surrounding the seeds, 

 forms the fleshy and edible part of the pepo. SquASH and pump- 

 kin (fig. 128) are both species of the same genus of native Ameri- 

 can plants cultivated by the Indians of Central America before 

 the arrival of the Spanish explorers. They are coarse vines, 

 producing yellow flowers and heavy fruits which lie on the 

 ground; pumpkin specimens have been recorded with a weight of 

 over a hundred pounds. A species native to the United States is 

 the gourd vine or Calabazilla found in sandy places throughout 

 the southwest. 



Another cultivated genus of the family includes the cucumber 

 and MELONS (fig. 129). The cucumber, whose native home is in 



