84 CATALOG OF PLANTS. 



213. Carex intumescens fernaldii Bailey. Bladder sedge. — In rich 



damp woods near Sebewaing. 



214. Carex rostrata iStokes. Yellowish sedge. — In swampy places 



near Sebewaing. 



215. Carex rostrata utriculata (Boott) Bailey. Bottle sedge. — Fre- 



cjiient on edge of streams and very wet places. 



216. Carex tuckermani Dewey. Tuckerman's sedge. — On open rich 



ground near Rush Lake. 



217. Arisaema triphyllum L. Schott. Indian turnip. Jack-in-the- 



pulpit. — Common in damp rich woods and shaded places. 



218. Symplocarpus foetidus (L.) Nutt. Skunk cabbage. — On moist 



ground near Port Austin. Infrequent. 



219. Acorus calamus L. Sweet flag. — In shallow water and wet 



places along streams at Caseville, Port Crescent and Port 

 Austin. 



220. Spirodela polyrhiza (L.) Schleid. Greater duckweed. — 



Occasional in ponds and pools. 



221. Lemna minor L. Lesser duckweed. — On stagnant shallow 



water at Caseville. 



222. Pontederia cordata L. Pickerel-weed. — Occasional in c^uiet 



parts of streams. Abundant in Rush Lake. 



223. Juncus bufonius L. Toad rush. — Very common on damp open 



ground. Abundant on damp sand at Port Crescent and 

 Port Austin. 



224. Juncus -tenuis Willd. Slender rush. — Common along paths and 



road sides. 



225. Juncus dudleyi Wiegand. Dudley's rush. — On bank of large 



flitch at Sebewaing. Apparently infrequent. 



226. Juncus balticus littoralis Engelm. Baltic rush. — Frequent on 



damp ground and common on sand along the lake shore. 

 A good sand binder. 



227. Juncus effusus L. Common rush. — Common on damp ground. 



228. Juncus brachycephalus (Engelm). Buchenau. Small-headed 



rush. — In wet places near lake shore, Rush Lake and Port 

 Austin. 



229. Juncus brevicaudatus (Engelm.) Fernald. Canada rush. — 



"Port Austin." Davis. 



230. Juncus canadensis J. Gay. Canada rush.- — Frequent in marshy 



places and on damp sand on lake shore. 



231. Juncus nodosus L. Knotted rush.^ — Common in marshy places 



and on damp sand. 



232. Juncus alpinus insignis Fries. Richardson's rush. — "Abundant 



