234 LILIACEAE 



Pa. Throughout, increasing northward. 



Tertiary, o: Cretaceous, scattered in locally favorable situations. 

 Older Formations, increasing northward. 118-220 days. Sea 

 level-4,000 ft. 



2. L. canadense L. In swamps and meadows, sometimes in 



fields: N. S. to Ont., Minn., Ga., Ala., Mo. and Neb. 



Conn. Throughout. 



N. Y. Throughout, increasing northward; rare south of the 



moraine on L. I. 

 N. J. Rare or wanting in the pine-barrens, except as an occasional 



escape; increasing and common northward. 

 Pa. Throughout, increasing northward. 



Tertiary, o: Cretaceous, scattered: Older Formations, common. 

 118-204 days. Sea level-1,800 ft. 



3. L. superbum L. In meadows and marshes: N. B. and Ont. 



to Minn., N. Car. and Tenn. 

 Throughout the range, always decreasing inland. 



L. tigrinum Andr., the Asiatic tiger-lily, is a rare escape from gardens. 



4. Erythronium L. 



Flower yellow; stigmas very short. 1. E. americaiiinii 



Flowers white; stigmas 2-3 mm. long, recurved. 2. E. albidum. 



i. E. americanum Ker. In moist woods and thickets and along 

 river banks: Nova Scot, to Ont., Minn., Fla., Mo. and Ark. 

 Common throughout the range except in the pine-barrens and 

 east and south of them, there wanting; always increasing north- 

 ward; unknown on the south side of L. I. 



2. E. albidum Nutt. Moist woods and thickets: Ont. to Ga., 

 Minn, and Tex. 



N. J. Recorded from Oxford, Warren Co., Garfield, Bergen 

 Co., and from near Mattewan, Monmouth Co., the latter 

 locality long since destroyed. 



5. Ornithogalum L. 



1. O. umbellatum L. In fields and meadows: N. H. to Pa. and 

 Ya. Naturalized from Europe. 



Locally abundant as an introduced plant, often wanting. 



In the neighborhood of Philadelphia O. nutans L has been reported as an occasional 

 escape. 



