The Flora of the Cayuga Lake Basin 133 



Creek above Enfield Falls; hillside, Coy Glen; crest of West Hill; s. w. corner of 

 Cayuga Lake; Renwick marsh; McGowan Woods; Freeville Bog; Beaver Brook; 

 Taughannock Point; marly hillside, Salmon Creek e. of Lansingville ; bottom land 

 in Paine Creek ; and elsewhere. 



Newf. to Alberta, southw. to Ga., N. Mex., and Ariz. ; infrequent on the Coastal 

 Plain. 



If the spikes exceed 3.5 cm. in length, the plant is forma Dudley i (Bailey) Wie- 

 gand. (See Rhodora 26:2. 1924. C. hystericina, var. Dudleyi Bailey; var. Cooleyi, 

 Gray's Man., ed. 7, not Dewey. C. Pseudo-Cy perns x C. hystricina?, Dudley in 

 Cayuga Fl.) Such forms, have been found in considerable abundance near Indian 

 Spring. 



107. C. Schweinitzii Dewey. 



Swamps, in calcareous regions; rare. June. 



Spencer Lake and swamp n. ; boggy woodlands along Beaver Brook (K. M. IV. & 

 A.R.Bechtel). 



Yt. and Ont. to Mich., southw. to Conn., n. N. J., and Mo.( ?) ; probably absent 

 on the Coastal Plain. 



108. C. lurida Wahl. (C. tentaculata of Cayuga Fl.) 



Low grounds, in various soils if not strongly calcareous, often in alluvium or clay ; 

 common. July-Aug. 



N. S. to Minn., southw. to Fla., Nebr., and Tex. ; common on the Coastal Plain. 

 Hybrids with C. lupulina were found west of Howland Island. 



109. C. lupulina Muhl. 



Low grounds, in alluvial or mucky soils, often in clay, in both calcareous and non- 

 calcareous regions ; common, and widely distributed. June 20-Aug. 



N. B. and N. S. to Hudson Bay, southw. to Fla. and Tex., including the Coastal 

 Plain. 



109a. C. lupulina Muhl., var. pedunculata Dewey. 



In situations similar to the preceding ; equally common. 



Range nearly the same as that of the typical form. 



Abundant transitions occur between this and the typical form. Dudley discusses 

 other forms, also a hybrid of C. lupulina and C. retrorsa (C. lupulina, var. gigan- 

 toides Dewey, described from specimens collected at Myers Point by H. B. Lord in 

 1865) found at Myers Point, on the Inlet Marshes between the salt works and 

 Willow Ave., n. of Freeville, and near Taughannock station (Lansing). 



110. C. intumescens Rudge. 



Swales and the borders of swamps, in sandy or gravelly, more or less acid (rarely 

 calcareous?), soils; scarce. June-July. 



S. of Summit Marsh; Michigan Hollow; South Hill Marsh {D. !) ; Mud Creek, 

 Freeville ; Waterloo ; Montezuma ; Duck Lake. 



Newf. to Mass., N. Y., and Ind., southw. to Fla. and La. A plant chiefly of the 

 Coastal Plain. 



110a. C. intumescens Rudge, var. Fernaldii Bailey. 



In mucky or boggy soils, probably heavier or more calcareous than those in which 

 the typical form of the species is found; common. June-July. 



Michigan Hollow Swamp; Newfield ; above Enfield Falls; Renwick woods; Fall 

 Creek, e. of Varna; Slaterville Swamp; Mud Creek, Freeville; Beaver Brook; n. e. 

 of Hanshaw Corners ; Townley Swamp ; w. of Howland Island. 



Newf. to Man., southw. to Mass., N. Y., Mich., and Wis., and in the mts. to N. C. ; 

 more inland and more northern than the typical form. 



