FLORA OF MICHIGAN. 91 



XXXIII. DROSEKACEJE. SUNDEW FAMILY. 



132. 1XROSERA, L. SUNDEW. 

 *385. I>. rotundifolia, L. Round-leaved Sundew. Th. 



In sphagnous swamps. An insectivorous plant. 



386. D. intermedia, Hayne., var. Americana, DC. Th. 



S. Mich., Wiight. Cat. ; Ann Arbor, Allmendinger Cat. ; Grand Rapids, R. H. Wolcott; Keweenaw 

 Co.,-F. 



387. I). liiiearis, Goldie. Slender Sundew. Th. 



Livingston Co.; L. Superior, Dr. Lyons; Keweenaw Co., F. ; La Pointe., D. Houghton ; Copper 

 Harbor, F. E. Wood. Rare. 



XXXIV. HAMAMELIDE^. WITCH-HAZEL FAMILY. 



133. HAMAMELl'S, L. WITCH-HAZBL. 

 *388. H. Virgmiana, L. Th. 



The yellow blossoms open in November after the leaves have fallen. The ripe pods burst with a sharp 

 report, scattering the seeds. This is frequently the case with pods of other plants. Common. 



XXXV. HALOEAGE^. WATER-MILFOIL FAMILY. 



134. MYRIOPHYLLUM, Vaill. WATER-MILFOIL. 



*389. M. spicatum, L. Th. 



Abundant, L. Sup., Can. Cat.; etc, ; Black Lake, Cheboygan Co., B. & K. ; Pine Lake, Ingham Co. 

 Common. 



*390. M. verticillatum, L. L. P. 



Hubbardston; Flint; Macomb Co.; 8. Mich., Wright Cat. Common. 



391. M. heteropliyllum, Michx. C. & S. 



Fruitport, E. J. Hill; Huron R. at Ypsilanti, Lyons; Macomb Co., Cooley. Rare. 



392. M. teuellum, Bigelow. 



Gray's Manual. 



393. M. Farwellii, Morong, nov. sp. 



Bulletin of Torrey Bot. Club, May, '91, p. 146; Pond, Keweenaw Co., F. 



136. PROSERPINACA, L. MERMAID-WEED. 

 *394. P. palustris, L. 



In swamps along with Alopecurus aristulatus and Ludwigia paltistris. Keweenaw Co., F. ; Cheboy- 

 gan Co., B. & K. 



136. HIPPURIS, L. MARE'S TAIL. 



395. H. vulg-aris, L. Th. 



L. Sup., Can. Cat. ; 8. Mich., Wright Cat. ; Keweenaw Co., F. ; Black River, Cheboygan Co., B. 

 & K. ; Bscanaba,-E. J. Hill. Rare. 



396. var. fltiviatilis, Hart. 



Keweenaw Peninsula, Robbins ; Indian River, Cheboygan Co., Wheeler. 



137. CALLITRICHE, L. Water-Starwort. 



397. C. verna, L. 



Ponds, Macomb Co., Cooley; Keweenaw Co., F.; Norway, E. J. Hill. 



398. C. autumnalis, L. 



Flint, Dr. Clark; L. Superior, Gray; Alma, Davis; Sault de Ste. Marie, -Morong. 



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