312 Karl M. Wiegand and Arthur J. Eames 



Floating moor of Slayton Pond (K. M. W ., A. J. E., & L. F. Randolph). 

 Me. to Fla., chiefly coastal; also, s. w. Ont. to 111. 



la. D. verticillatus (L.) Ell., var. laevigatus T. & G. (See Rhodora 19: 154. 1917. 

 Nesea verticillata, in part, of Cayuga Fl.) 



In locations similar to the preceding; frequent. Aug. 



Marly shore of Mud Pond, McLean Bogs; head of Cayuga Lake (D.I) ; Sheldrake 

 (£>.); Farley Point (DA); n. of Union Springs (D.\) ; Cayuga Marshes (D. !) ; 

 Newton Ponds and Pout Pond. With the exception of the marly locations, the plant 

 is most abundant on the Ontario plain and adjacent marshes in which there is a trace 

 of salt from the underlying salt deposits. On the Coastal Plain the more prevalent 

 typical form inhabits acid waters. 



Chiefly inland : N. S. to Wis., southw. to s. w. Va. and Tenn. 



2. Lythrum L. 



a. Flowers solitary in the axils of the upper leaves; petals and stamens 5-7. 



1. L. alatum 

 a. Flowers crowded, whorled, in an interrupted spike ; petals usually 6 ; stamens 12, 

 rarely 8 or 10. 2. L. Salicaria 



1. L. alatum Pursh. 



Low fields ; rare. June 25- Aug. 25. 



Salty meadows n. e. of Montezuma village, 1919 (K. M. W '., A. J. E., & L. F. 

 Randolph) . Doubtfully native. 



Ont. to Minn., southw. to Ga., La., and Colo. ; also in s. N. E 



2. L. Salicaria L. Spiked or Purple Loosestrife. 



Low or wet alluvial and gravelly shores and adjacent marshes, mostly in neutral or 

 acid soils ; locally frequent. July 20-Aug. 20. 



Cayuga Lake shore, w. of outlet of Fall Creek (D. !) ; shores about Renwick; on 

 beach, Utt Point ; abundant along the Clyde River, e. of Howland Island. 



N. S. to Ont., southw. to N. Y., Del., and D. C. Introduced from Eu. 



[L. Hyssopifolia L. 



Found on garbage dumps, Ithaca flats, 1924 (IV. C. Mnenschcr).] 



3. Cuphea P. Br. 

 1. C. petiolata (L.) Koehne. Clammy Cuphea. 



Fields ; rare. Sept. 



Edge of field above Renwick, 1905 (/. E. Coit & R. W . Curtis) ; a large patch by 

 roadside, Cayuga Heights Road s. of first iron bridge, 1917, and persisting in this 

 region. Adventive from farther south. 



Native : N. H. to Kans., southw. to Ga. and La. 



93. MELASTOMACEAE (Melastoma Family) 

 1. Rhexia L. 

 1. R. virginica L. Deer Grass. Meadow Beauty. 



" Sandy shores, (not now known in our Flora.) Aug." (D.). "In Dr. Thompson's 

 Cat. of Plants near Aurora, (See Regent's Rep. 1841,) as R. Mariana. A specimen 

 is in Herb, of Prof'r J. J. Thomas, without locality, but which he thinks was 

 collected near Union Springs" (D.). Not seen in recent years. 



Along the coast from N. S. to Fla. ; also inland from s. w. Ont. to s. e. Iowa, 

 southw. to La. and Mo. 



