BEAL ON MICHIGAN FLORA. 51 



369. C. speciosus Vahl. Michaiix's Cyperus. Low grounds. Hubbardston; Flint. 



*370. C. strigosus L. Straw-colored Cyperus. Low grounds. Common. C. & S. 



371. C. strigosus capitatus Bocckl. Detroit, O. A. Farwell. 



372. C. strigosus robustior Kunth. Detroit, O. A. Farwell. 



KYLLINGA Rott. 

 374. K. pumila Michx. Low Kyllingia. Dr. Lyons. S. 



DULICHIUM L. C. Richard. 



*375. D. arundinaceum (L.) Britton. D. spathaceum Pers. Borders of swamps 

 and ponds. Common. Th. 



ELEOCHARIS R. Br. 



*376. E. acicularis (L.) R. & S. Spike-rush. Alma, Washtenaw Co., C. A. Davis. 

 Th. 



377. E. acuminata (Muhl.) Nees. Flat-stemmed Spike-rush. Shores of lakes. 



378. E. Engelmanni Steud. Engelmann's Spike-rush. Jackson, S. H. Camp; 

 Detroit, O. A. Farwell. 



*379. E. intermedia (Muhl.) Schultes. Matted Spike-rush. Macomb Co., Dr. 

 D. Cooley; Grand Traverse Bay, Winch. Cat.; Hubbardston, C. F. Wheeler; Alma, 

 C. A. Davis. Low river banks. 



380. E. interstincta (Vahl.) R. & S. Knotted Spike-rush. E. equisetoides Torr, 

 Wright Cat, Jackson Co., 1838. 



*381. E. mutata (L. ) R. & S. Quadrangular Spike-rush. E. quadrangulata 

 R. & S. S. Mich., A. Gray; Flint; borders of Crystal Lake, Montcalm Co.; shores 

 of Park Lake and Pine Lake; Algonac, W. S. Cooper. Infrequent. C. & S. 



381a. E. obtusa Schults. Ovoid Spike-rush. Wet grounds. N. shore of L. 

 Superior, Agassiz; southward; St. Clair Co., C. K. Dodge; Alma, Ann Arbor, C. A. 

 Davis. Th. 



*382. E. olivacea Torr. Bright-green Spike-rush. Shores of Park Lake, Clinton 

 Co., Wheeler; Vestaburg. C. A. Davis. 



*383. E. ovata (Roth.) R. & S. Keweenaw Co., O. A. Farwell. ' 



*384. E. palustris (L.) R. & S. Creeking Spike-rush. Wet places. Alma, Ann 

 Arbor, C. A. Davis; Bay Co., G. M. Bradford. 



385. E. palustris calva A. Gray. Lake Antoine, E. J. Hill. 



*386. E. palustris glaucescens (Willd.) A. Gray. Alma, C. A. Davis. Frequent. 



*387. E. Robbinsii Oakes. Bobbins' Spike-rush. Shallow water. Park Lake, 

 Clinton Co. The only station known in the State, C. F. Wheeler. 



*388. E. palustris vigens L. H. Bailey. Indian River, Cheboygan Co.; along the 

 Great Lakes, Gray's Man. Keweenaw Co., O. A. Farwell. 



389. E. rostellata Torr. Beaked Spike-rush. Marshes. Hubbardston; Macomb 

 Co., Dnimmond's I.. Winch. Cat. Tuscola and Washtenaw Counties, C. A. Davis; 

 Bay Co., G. M. Bradford. Rare. 



390. E. tenuis (Willd.) Schultes. Slender Spike-rush. Oscoda; east coast 

 of L. Superior, Canadian Cat.; Keweenaw Co., O. A. Farwell; Ann Arbor, C. A. 

 Davis. Th. 



PSILOCARYA Torr. 



391. P. scirpoides Torr. Long-beaked Bald-rush. Shore of Crooked Lake, near 

 Grand Rapids, Miss E. J. Cole. 



STENOPHYLLUS Raf. 



392. S. capillaris (L.) Britton. Hair-like Stenophyllus. Fimhristylis capillaris 

 A. Gray. S. Mich., Wright; Detroit; St. Clair Co., C. K. Dodge; Algonac, W. S. 

 Cooper. Rare. 



FIMBRISTYLIS Vahl. 



*393. F. autumnalis (L.) R. & S. Slender Fimbristylis. S. l\Iich., Wright; Pine 

 Lake, Ingham Co., Manistee, F. P. Daniels; Vestaburg. C. A. Davis. 



394. F. castanea (Michx.) Vahl. Marsh Fimbristylis. Port Huron, C. K. Dodge. 



