A GUIDE TO THE WILD FLOWERS 



Flower heads about i-i^ in. in diameter isolated on branched 

 stalks. Fruit burs stiff and almost prickly, about i in. in 

 diameter. Summer. Newfoundland to Florida, and westward. 

 Often growing in the water. Fig. i6. 



17. Bur-reed. Sparganium angustifolium. Stems 3^-1 ft. 

 long, sometimes nearly floating. Leaves narrow, less than 

 }i in. wide, not ridged on the back. Fruit-burs ^ in. in 

 diameter, on a simple, unbranched stalk. Summer. New- 

 foundland to Conn., and Penn., and westward. 



18. Bur-reed. Sparganium androcladum. {S. americanum 

 androcladum.) Stems 1-3 3^ ft. high. Much like the two pre- 

 ceding, but with smaller fruit-burs than the first and 

 branched zig-zag stalks to the flower clusters, ummer. New- 

 foundland to Florida, and westward. Fig. 18. 



19. ARROW-GRASS FAMILY. SCHEUCHZERI- 

 ACEAE. 



Marsh or bog plants with narrow grass-like leaves, and 

 small flowers that lack true petals, arranged in spikes but 

 never in globe-like clusters. Flowers and fruits commonly 

 on short stalks. 



