130 Karl M. Wip:gand and Arthur J. Eames 



89. C. aestivalis M. A. Curtis. 



Steep wooded banks near rocks, in soil of mixed sand and clay ; very rare. June. 



High bank of creek, in the narrows between Slaterville and Caroline Center (K. 

 M. IV., A. J. E., & L. F. Randolph). Reported from only two or three other places 

 in N. Y. State. 



N. H. to Ga. ; generally rare. A plant of the Allegheny Mts. 



90. C. gracillima Schwein. 



Damp grassy meadows and open woods, in gravelly neutral or subacid soils: com- 

 mon, and widely distributed. June. 



Newf. to Man., southw. to N. C, Ohio, and Mich.; infrequent on the Coastal Plain. 



91. C. Oederi Retz., var. pumila (Cos. & Germ.) Fernald. (C. viridula Michx. 

 C. Oederi, nos. 1136 and 1137, of Cayuga Fl.) 



Gravelly calcareous shores and in marl ; scarce. June-Sept. 



Spencer Lake; Cortland marl pond region (£).!); Myers Point; Ludlowville, 

 below the spring; Utt Point (D.\) ; Farley Point (D. !) ; quarry s. of Union Springs 

 (£>.) ; Big Gully Point. 



Newf. to B. C, southw. to N. E., Pa., Ohio, Ind., Utah, and Wash. 



92. C. flava L. 



Springy places and meadows, in marly soil ; common. June-July 15. 



Characteristic of nearly all wet places where marl is found. "The form, 'var. 

 androgyna' Olney, is at Summit Marsh, Locke Pond, the Marl Ponds, and at the 

 mouth of Paine's Cr. Some of the Locke Pond specimens possess compound pistillate 

 spikes" (£>.). 



• Newf. to Alberta and B. C. (?), southw. to Conn., n. N. J., Pa., Mich., and Mont.; 

 rare or absent on the Atlantic Coastal Plain. Found also in Eu. 



93. C. cryptolepis Mackenzie. (See Torreya 14:155. 1914. C. flava L., var. rrcti- 

 rostra Gaudin.) 



In situations similar to the preceding ; rare. 



Summit Marsh; moor of Newton Ponds. 



Newt, to R. I. and Mich. Found also in Eu. 



More or less transitional to C. Oederi. Its status as a species is somewhat doubtful. 



94. C. lasiocarpa Ehrh. (See Kiikenthal in Das Pflansenreich, pt. 4, sect. 20, 

 ]i. 747. 1909. C. filiformis of Gray's Man., ed. 7, and of Cayuga Fl.) 



Marl bogs, often in very wet places; frequent in such localities. June 10-July Id. 



Summit Marsh ; s. of Michigan Hollow Swamp ; Fleming Meadow ; Beaver Brook ; 

 Junius marl ponds ; Westbury Prairie ; Stark Pond ; Spring Lake. 



Newf. to B. C, southw. to n. N. J., Pa., Iowa, and Minn. ; rare or absent on the 

 Atlantic Coastal Plain. Found also in Eu. 



95. C. lanuginosa Michx. (C. filiformis, var. latifolia, of Cayuga Fl.) 



Boggy, more or less calcareous, meadows and ditches, and on gravelly calcareous 

 shores; frequent. June-July 15. 



One mile above Enfield Falls; Freeville Bog; Mud Creek, Freeville ; McLean 

 Bogs ; Malloryville ; swale s. e. of McLean ; by railroad one mile s. of Aurora ; Farley 

 Point (D.\) ; n. of Union Springs (D.) ; moor of Newton Ponds; prairie n. of 

 Crusoe Lake. 



N. B. to Sask. and B. C, southw. to Pa., 111., Kans., N. Mex., and Calif.: 

 apparently frequent on some parts of the Atlantic Coastal Plain. 



