112 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



southwestern part of the state; apparently rare elsewhere. 

 June — July, but neither flowers or fruit seen here. 



Often occurs in large tangled strings, balls and irregular 

 masses, either floating free or clinging to twigs and stones. 



Lemna minor L. (smaller). 

 Lesser Duckweed. 



Ponds and stagnant water of pools and ditches. Rare in 

 southeastern Connecticut; frequent in Hartford and Litch- 

 field Counties ; common in the southwestern part of the state. 

 June — July. 



WOLFFIA Horkel. 

 WolfBa Columbiana Karst. 

 Wolffia. 



Local. Surface of ponds, plentiful where it occurs : Wood- 

 bury and Ridgefield (Eames & C. C. Godfrey), Kent (Eames), 

 New Milford (J. W. Robbins, 1829), Salisbury (J. W. Rob- 

 bins, Mrs. C. S. Phelps). June — July. 



The plants of this species are the smallest of our flowering 

 plants, being little globules al^out i-25th of an inch in diameter. 



ERIOCAULACEAE. PIPEWORT FAMILY. 



ERIOCAULON L. Pipewort. 



Eriocaulon septangulare Withering (seven-angled). 

 Pipewort. 



Borders of ponds and rivers, in either shallow or deep 

 water. Frequent in the southeastern part of the state ; occa- 

 sional elsewhere. July — Sept. 



XYRIDACEAE. YELLOW-EYED GRASS FAMILY. 

 XYRIS L. Yellow-eyed Grass. 



Xyris caroliniana W^alt. 



Occasional or local. Bogs or sphagnum swamps. July — 

 Sept. 



Xyris flexuosa ]\Iuhl. (flexuous). 

 Yellow-eyed Grass. 



Sandy bogs. Occasional to frequent in most sections but 

 not reported from the southwestern part of the state. July — 

 Sept. 



