MICHIGAN ACADEMY OF SCIENCE. 153 



Pontederia cordata augustifolia Farr. Pickerel-weed. Reported about 

 Lake St. Clair in shallow water. 



Juncaceae. Rush Family. 



Juncus bufonius L. Toad Rush. — Common in damp open ground and on 

 roadsides. 



Juncus tenuis, Willd. Slender Rush. — Common in fields and on roadsides, 



Juncus greenei Oakes and Tuckerm. Greene's Rush. — In one place on 

 Walpole Island. Apparently rare. 



Juncus balticus littoralis Engelm. Baltic Rush. — Common in damp or 

 dry and sandy ground. Often abundant on the Lake Huron shore where it 

 acts as a goocl sand-binder. 



Juncus effusus L. Common Rush. Soft Rush. — Very common in wet 

 and marshy ground. 



Juncus brachycephalus (Engelm.) Buchenau. Small-headed Rush. — 

 Frequent in marshes and wet places. 



Juncus canadensis J. Gay. Canada Rush. — Frequent in marshy 

 places. 



Juncus pelocarpus Mey. Brownish-fruited Rush. — Frequent in wet sand 

 and swampy places. Noticed in particular on the delta islands of St. Clair 

 River. 



Juncus nodosus L. Knotted Rush. — Frequent in damp and marshy 

 ground and on damp gravelly banks. 



Juncus torreyi Coville. Torrey's Rush. — Frequent in damp or marshy 

 ground, in ditches, and abundant on the delta islands of St. Clair River. 



Juncus acuminatus Michx. Sharp-fruited Rush. — Frequent in damp 

 ground, 



Juncus alpinus insignis Fries. Richardson's Rush. — Frequent along St. 

 Clair River and on the delta islands formed bj' its mouth. 



Juncus articulatus L. Jointed Rush. — Frequent in wet ground. Abun- 

 dant at Alvinston on damp banks along railroad. 



Luzula saltuensis Fernald. Hairy Wood Rush. — Common in dryish open 

 woods and on shaded banks. 



Luzula campestris multiflora (Ehrh.) Celak. Common Wood Rush. — 

 Common in fields, meadows and open woods. 



Liliaceae. Lily Family. 



Tofieldia glutinosa (Michx.) Pers. Glutinous Tofieldia. — Frequent in open 

 moist and wet grounds. 



Uvularia grandiflora Sm. Large-flowered Bellwort. — Common in rich open 

 woods and thickets. 



Oakesia sessilifolia (L.) Wats. Sessile-leaved Bellwort. — Very common in 

 damp open woods, thickets and meadows. Often called wild oats. 



Allium tricoccum Ait. Wild Leek. — Occasional in rich woods. Formerly 

 very abundant but nearh^ exterminated by pasturage. Allium schoenopra- 

 sum sibiricum (L.) Hastm., Chives, and A. cerunum, Roth., Wild onion, are 

 reported as formerly existing by old residents, but have not been noticed of 

 late. Chives are often cultivated. 



Allium canadense L. Wild Garlic. — Often very abundant in damp 

 meadows, less frequent in open woods and thickets. Allium vineale, L., 

 field garlic, has not been noticed but may be expected to appear as a weed. 



