314 Karl M. Wiegand and Arthur J. Eames 



A form with white flowers (forma albiflorum (Dum.) Haussk., see Rhodora 

 20:4, 1918) has been found at Freeville (£>.)• A form with pale pink flowers 

 occurs along the state road east of the McLean Bogs. 



2. E. hirsutum L. 



Low fields on the borders of swales and swamps and in damp waste places, in 

 gravelly, mostly saline or calcareous, soils ; scarce, but locally abundant. July-Aug. 



Spencer Lake, rare ; athletic field, C. U. campus, rare ; waste ground near the 

 salt works, s. of the lighthouse road, Ithaca ; pastures along the railroad between 

 McLean and Chicago Crossing, abundant; North Spring, Union Springs; Canoga 

 Marshes ; near salt flats, Montezuma ; banks of abandoned canal n. of Cayuga vil- 

 lage, abundant; n. of Miller Bog, Spring Lake. Of recent introduction. Apparently 

 just appearing in the southern part of the Cayuga Lake Basin. 



S. Me. to Ont. and s. N. Y. Naturalized from Eu. 



3. E. molle Torr. (E. strictum Muhl., nomen subnudum.) 



Open meadows, in boggy marly soil; frequent. July 15-Sept. 15. 



Spencer Lake; swamp w. of Key Hill; Michigan Hollow Swamp (D.\) ; swampy 

 place on hill s. of Buttermilk reservoir; Larch Meadow (D. !) ; Ellis Hollow 

 Swamp; e. of Etna station; Mud Creek, Freeville (D. !) ; Malloryville (D.) ; near 

 McLean Bogs (D. !) ; Townley Swamp; e. of Duck Lake; Junius marl ponds; and 

 elsewhere. 



E. Que. to Alberta, southw. to Va., 111., and Minn. ; rare or absent on the Coastal 

 Plain. 



4. E. densum Raf. (E. linearc of LeConte and of Muhl., both noinina nuda. E. 



palustre, var. linear e, of Cayuga Fl.) 



In situations similar to the preceding, but apparently less closely confined to 

 calcareous soils ; frequent. Aug.-Sept. 



Swamp w. of Key Hill; Michigan Hollow Swamp; hill s. of Buttermilk Glen; 

 Larch Meadow ; Fleming Meadow ; McLean Bogs ; Beaver Brook ; Junius marl 

 ponds ; e. of Duck Lake. 



E. Que. to Alberta, southw. to Del., W. Va., Kans., and Colo. ; frequent on the 

 northern Coastal Plain. 



5. E. coloratum Muhl. (E. coloratum, in part, of Cayuga Fl.) Willow Herb. 



Ditches and the borders of marshes or swamps, and on wet cliffs, in light or 

 heavy soils, either calcareous or noncalcareous ; common, and generally distributed. 

 July-Sept. 



N. S. to Wis., southw. to S. C, Tenn., Kans., and Nebr. ; common on the 

 Coastal Plain. 



6. E. glandulosum Lehm., var. adenocaulon (Haussk.) Fernald. (See Rhodora 



20:34. 1918. E. adenocaulon of authors.) Willow Herb. 



In situations similar to the preceding, apparently with as little reference to the 

 type of soil ; somewhat less common than E. coloratum. July-Sept. 



Summit Marsh and vicinity ; near Enfield Glen ; city dump, Ithaca ; scattered 

 stations along Cascadilla Glen ; Ellis Hollow ; Fall Creek, near Triphammer 

 Falls, near Varna, and near Warren's woodlot e. of Forest Home ; Woodwardia 

 Bog ; Dryden Lake ; McLean Bogs ; Beaver Brook ; moor of Chicago Bog ; lake 

 shore near McKinneys ; Glenwood Road ; Union Springs ; Junius peat bogs ; Slayton 

 Pond ; and elsewhere. 



Newf. to B. C, southw. to Del., W. Va., the Great Lakes, Nebr., Colo., and 

 Calif. ; infrequent on the Atlantic Coastal Plain. 



