FLORA OF MICHIGAN. 149 



469. SCIKPUS, Tourn. BULRUSH OR CLUB-RUSH. 

 1345. S. csespitosus, L. U.P. 



Dr. A. B. Lyons; Marquette, E. J. Hill; north shore of Lake Superior. Agassiz. 



*1346. S. Clintoiiii, Gray. C. 



Blaffs along Fish creek, Hubbardston; Bath, L. H. Bailey. Rare. 



*1347. S. subterminalis, Torr. Th. 



Honghton Lake; Woodward Lake, Ionia Co.; Flint; Macomb Co.; S. Mich., Wr. Cat.; north of 

 Lake Superior. Can. Cat. Infrequent . 



*1348. S. puiigens, Vahl. Th. 



Borders of ponds. Common. 



*1349. S. Torreyi, Olney. 

 Border of Pine Lake, Ingham Co., Bailey. 



1350. S. Olneyi, Gray. 

 Border of deer lick near Hubbardston, Wheeler. 



*]351. S. lacustris, L. Th. 



In still water. Common. 



*1352. S. clebilis, Pursh. 



Macomb Co., Cooley ; Park Lake, Clinton Co., Wheeler. Rare. 



*1353. S. Smithii, Gray. 

 Shore of Park Lake, C. F. Wheeler, 1891. Only locality known in the State. 



1354. S. maritimus, L.. Sea Club-Rush. S. 

 S. Mich., Wright Cat. 



1355. S. fluviatilis, Gray. River Club-Rush. Th. 



Margins of rivers, S. Mich., Winch. Cat. ; Macomb Co.; Hubbardston; abundant along Maple River ; 

 west of Lake Superior, Macoun. 



1356. S. sylvaticus, L., var. digynus, Boeckl. 

 Lake Nipigon, Ont., Macoun ; Keweenaw Co., F. 



*1357. S. atrovirens, Muhl. Th. 



Wet meadows. Common. 



1358. S. polypliyllus, Vahl. 



S. Mich., Wright Cat. 



47O. ERIOPHORUM, L. COTTON-GRASS. 



* 1359. E. lineatum, Benth. & Hook. 

 River banks, S. Mich., Winch. Cat. ; Flint; Macomb Co. ; Habbardston. Infrequent. 



*1360. E. cyperinum, L. 



Wet meadows. Common and variable. 



1361. E. alpiimm, L. Th. 



Mad Lake; Petoskey, E. J. Hill ; Macomb Co., Cooley. Infrequent. 



*1362. E. vaginatum, L. Th. 



Sphagnous swamps. S. Mich., Winch. Cat.; Macomb Co.; Hubbardston, and northward. Rare. 



*1363. E. Virginicum, L. Th. 



Sphagnous swamps. Ann Arbor, Ailmend. Cat.; Flint; Hubbardston; northward. Infrequent. 



*1364. E. polystachyon, L. Th. 



Swamps. Common. 



1365. var. latifolium, Gray. 



Cassopolis, Wheeler. 



