liP.AL ON MICHIGAN FLORA. 57 



•558. C. Sartwellii Dewey. S. ]\JicIi., \\'iiicli. Cat.; Macomb Co.; Flint; Hubbardston; 

 Orion, O. A. l'";ir\vell; and nortliward. Th. 



*559. C. scabrata Seliwein. Rouprli Sedge. Banks of streams. Flint; Grand Rapids, 

 Coleman Cat.; Ilubbardslon to J>ake Superior, Whitney Cat. Infrequent. 



5G0. C. Schweinitzii Dew. Schweinitz's Sedge. Near Fraser's, Crawford Co., Prof. 

 L. 11. Bailey. Only statiun known in Stale. 



5(il. C. scirpoidea Michx. Scirpus-like Sedge. Winch. Cat.; Druniniond's Isle; 

 Keweenaw Co., O. A. Farwell. N. K. 



*5f)2. C. scoparia Schk. Pointed Broom Sedge. Th. C. scaparia minor Boott. 

 Keweenaw Co., O. A. Farwell; Bay Co., G. M. Bradford. Low grounds. Common. 



5G3. C. setifolia (Dewey) Britton. Brittle-leaved Sedgw. Th. C. Ebwmea Boott. 

 Hillside. South Haven on sand dunes and northward. Infrequent. 



*5()4. C. siccata Dewey. Dry-spiked Sedge. Barrens. ^Macomb Co.; Flint; Hub- 

 bardston; near Park Lake. Clinton Co.; northward to Lake Superior. Infrequent. 



*5(io. C. sparganioides Muhl. Burr-reed Sedge. Low, rich grounds, St. Clair Co., 

 C. K. Dodge. Iiifre(|uent. C. & S. 



*5()C. C. squarrosa h. Squarrose Sedge. S. Mich., Wright Cat.; Hubbardston; Lan- 

 sing, Bailey; Keweenaw Co., 0. A. Farwell; Ann Arbor, C. A. Davis. Eare. 



5G7. C. sterilis Willd. Little Prickly Sedge. C. echinata microstachys! Boeckl. 

 S. Mich., Winch. Cat.; Hubbardston; Flint; Macomb Co.; Orion and Keweenaw Co., 

 O. A. Farwell; and northward. Common. 



'508. C. sterilis cephalantha Bailey. C. echinata cephalantha Bailey. Keweenaw 

 Co., 0. A. Farwell; ]\Ianistee, F. P. Daniels. 



*5G9. C. stipata IMuhl. Awl-fruited Sedge. Low gi'ounds. Common. Th. 



*570. C. straminea Willd. Straw Sedge. Ann Arbor, Allmendinger Cat.; !Macomb Co.; 

 Flint; Hubbardston: Sciuth Haven; northward to Keweenaw Co., 0. A. Farwell. Fre- 

 quent. Th. 



57L C. straminea ferruginea (A. Graj-.) Bailey. Detroit, 0. A. Farwell; Port 

 Huron, Algonac, C. K. Dodge; Bay Co., G. M. Bradford. 



*572. C. straminea mirabilis (Dewey) Tuck. C. mirabilis Dewey. Alma, Ann Arbor, 

 C. A. Davis; Hubbardston and northward. Infrequent. Th. 



*573. C. stricta Lam. Tussock Sedge. Low grounds. Common. Th. 



574. C. stricta angustata (Boot) Bailey. Less common than the species. Ann 

 Arbor, C. A. Davis; Hubbardston, Wheeler; Keweenaw Co., 0. A. Farwell. 



575. C stricta x filifonnis Bailey. Keweenaw Co., 0. A. Farwell. 



57(5. C. sychnocepliala Carey. Dense Long-beaked Sedge. Crystal, ^Montcalm Co. 

 Only station known in the State, C. F. Wheeler. S. 



*577. C. tenella Schk. Soft-leaved Sedge. Sphagnous swamps. Common. 



*578. C. tenuiflora Wahl. Sparse-ilowered Sedge. U. P., WTiitney Cat.; Oscoda Co.; 

 Towar's swamp, near Lansing, \Mieeler, 1890; Keweenaw Co., 0. A. Farwell. Th. 



579. C. tenuis Rudge. Slender-stalked Sedge. C. d^bilis Rudgei Bailey. Bear 

 Lake, Van Buren Co.. 11 J. Hill; shores of Barron Lake, Cass Co.; Gaylord; Alcona Co. 



580. C. tenuis interjecta (Bailey) Britton. C. debilis interjecta Bailev. Grayling, 

 W. J. B. 



*581. C. teretiuscula Good. Lesser-panicled Sedge. Swamps. Common. Th. 



*582. C teretiuscula prairea (Dewey) Britton. C. teretiuscula ramosa Boott. Orion, 

 O. A. Farwell. Fiequent. 



*58.3. C. tetanica Schkuhr. \^'oods Sedge. S. Mich., Winch. Cat.; Grand Ledge. C. F. 

 Wheeler; near Pine Lake, Ingham Co., L. H. Bailey; Macomb Co.; Flint, and northward. 



*584. C. tetanica Woodii Bailey. Central part of the State. Infrequent. 



*585. C. tribuloides Wahl. Blunt-broom Sedge. Th. 



*58G. C. tribuloides Bebbii Bailey. Bay Co., G. M. Bradford; Detroit, 0. A. Far- 

 well. Th. 



587. C. tribuloides moniliformis (Tuck.) Britton. V. tribuloides reducta Bailey. 

 Keweenaw Co., O. A. Farwell; Manistee, F. P. Daniels; x\lma, C. A. Davis; Bay Co., 

 G. iM. Bradford. 



588. C. tribuloides turbata Bailey. Swales. Keweenaw, 0. A. Farwell. Frequent. 



589. C. triceps hirsuta Bailey. In an oak wood on the farm of Hon. N. B. Hayes, 

 in North Plains township, Ionia Co. Not known to occur elsewhere in the State. 



*590. C. trichocarpa :Muhl. Hairy-fruited Sedge. S. iSlk-h., Wright Cat.; Macomb 

 Co. Infrequent. C. & S. 



*591. C. trisperma Dewey. Keweenaw Co., 0. A. Farwell; Bay Co., G. M. Bradford. 

 *592. C. Tuckermani Dewey. Tuckerman's Sedge. Swamps. S. Mich., Wright Cat.; 



