WIND - TRAVELERS 



159 



The elastic tissue suddenly contracts when dehiscence 

 takes place, and the seeds are thrown violently. The 

 squirting cucumber is easily grown in a garden (procure 

 seeds of seedsmen), and the fruits discharge the seeds 

 with great force, thj-owing them many feet. 



276. Thistledo 



liifjh in tlie air. 



302. WIND-TRAVELERS.— Wind-transported seeds are 

 of two general kinds; — those which are provided with 

 wings, as the flat seeds of catalpa (Fig, 274) and cone- 

 bearing trees (Fig. 270) and the samaras of ash, elm, 



