ERIOCAULACEAE 217 



Pa. Luzerne, Monroe and Carbon to Chester and Delaware 



counties. 



Tertiary, common: Cretaceous, less common: Older Formations, 

 more common in Pa. than elsewhere. 118-220 days. Sea level- 

 600 ft. 



5. X. Congdoni Small. Low grounds: Mass. to N. J., near the 



coast. 



Conn. New Haven and New London counties, near the coast. 



N. Y. Suffolk Co., L. I. 



N. J. Common in the pine-barrens, rare along the edges and at 



Cape May, unknown elsewhere. 



Tertiary, common on Beacon Hill, rare elsewhere: Cretaceous, 0: 

 Older Formations, confined to the glaciated region of Suffolk Co., 

 L. I., and to Conn.* 168-187 days. About sea level. 



6. X. fimbriata Ell. In wet pine-barrens: Southern N. J. to Fla. 



and Miss., mostly near the coast. 



N.J. Ocean, Burlington, Atlantic and Gloucester counties, con- 

 fined to the pine-barrens. 

 Tertiary, common on Beacon Hill, rare elsewhere: Cretaceous, o: 



Older Formations, o. Not north of the moraine. 168-182 days. 



About sea level. 



7. X. arenicola Small. In dry pine-barrens: S. N. J. to Fla., 



west to Tex., mostly near the coast, extending north to Ark. 

 N. J. Known only from Batsto and Atsion in the pine-barrens. 



Tertiary, rare or local: Cretaceous, o: Older Formations, o. Not 

 north of the moraine. 168 days. About sea level. 



ERIOCAULACEAE 

 1. Eriocaulon L. 



Leaves 14-30 mm. long, much surpassing the sheath of the scape. I. E. decangulare. 

 Leaves usually 10 mm. long or less, as long as or much shorter than 

 the sheath of the scape. 

 Leaves at least twice shorter than the sheath of the scape. 2. E. compressum. 



Leaves about as long as the sheath of the scape, sometimes a 

 little longer or shorter. 

 Heads 5-9 mm. in diameter; petals ciliate. 3. E. septangulare. 



Heads 3-4 mm. in diameter; petals glabrous. 4. E. Parkeri. 



i. E. decangulare L. In swamps: S. N. J. and Pa. to Fla. and 

 Tex. Also in Cuba. 



* See Introduction paragraph 7. 



