A GUIDE TO THE WILD FLOWERS 7 



twisted, the heads almost Y^. in. in diameter. Summer. New- 

 foundland to Florida, and westward. Very common along 

 the sandy edges of ponds and bogs. Fig. 13. 



Leaves much longer than the sheaths of the flower stalk. 



14. PiPEWORT. Eriocaulon dccangulare. Leaves 6-20 in. 

 long, with many veins. Flower stalks 1-3 ft. high, the heads 

 about 3^ in. in diameter. Summer. Pine barren bogs of New 

 Jersey, to Florida and Texas. Other species are known, some 

 of them partly or wholly submerged. 



15. BUR-REEDS. SPARGANIUM. 



Marsh or swamp or water plants with basal sheathing 

 linear leaves. Flowers small, greenish, in isolated globe-like 

 heads, without petals, followed by an almost prickly, bur- 

 like fruit-cluster. Flower stalks not sheathed as in the Pipe- 

 worts. {Sparganiaccac.) Twelve species are found in our 

 range of which the following are the best known : 



Stems 3-8 ft. high ; fruit burs about i in. in diameter . . Bur- 

 reed no. 16 

 Stem shorter; fruit burs about J^ in. in diameter 



Stalks of flower heads unbranched Bur-reed no. 17 



Stalks of flower heads branched, appearing zig- 



7-ag Bur-reed no. 18 



16. BuR-REED. Sparganium curycarpmn. Stem stout, 

 branched. Leaves flat or slightly ridged beneath, 3-5 ft. long. 



