232 



LILIACEAE 



LILIACEAE 



Ovary superior, not adnate to the perianth. 



Roots fibrous or fleshy; scape tall; flowers orange or yellow. 

 Plants with bulbs or corms. 

 Flowers unbelloid. 



Flowers solitary, racemes, corymbed or panicled. 

 Anthers not introrse. 



Anthers versatile ; tall herbs. 

 Anthers not versatile; low herbs. 

 Anthers introrse. 



Perianth of 6 separate segments. 

 Corolla globose, oblong or urn-shaped. 

 Ovary half inferior; roots fibrous; flowers racemed. 



i. Hemerocallis. 

 2. Allium. 



3. Lilium. 



4. Erythronium. 



5. Ornithogalum. 



6. Muscari. 



7. Aletris 



1. Hemerocallis L. 

 1. H. fulva L. Escaped from cultivation: N. B. and Ont. to Va. 

 and Tenn. 



Locally common as an escape from gardens, particularly in N. Y. 

 and N. J., often wanting. 



The yellow day lily, H. flava L., has been reported as a rare escape from old gardens. 



2. Allium L. 



Leaves oblong lanceolate, absent at flowering time; ovules 1 in each 



cavity. 

 Leaves linear, present at flowering time; ovules 2 in each cavity 

 Bulb coats membranous, not fibrous reticulated. 

 Umbels capitate, shorter than the flowers. 

 Umbels loose, pedicels much longer than the flowers. 



Sepals not keeled; inner filaments toothed under the 



anthers. 

 Sepals keeled; inner filaments not toothed. 

 Bulbs with fibrous outer coats. 



1. A. tricoccum. 



2. A. sibiricum. 



3. A. vineale. 



4. A. carinaium. 



5. A. cnnadense. 



i. A. tricoccum Ait. In rich woods: N. B. to Minn., N. Car., 

 Tenn. and Iowa. 

 Conn. Throughout. 

 N. Y. Throughout, but rare or wanting south of the moraine on 



L. I.; at Flushing. 

 N. J. Not reported from the pine-barrens; rare or local in Salem 



Co., increasing and local northward. 

 Pa. Lehigh, Berks, Bucks and Philadelphia counties. 



Tertiary rare or wanting : Cretaceous scattered : Older formations, 

 common and increasing northward. 1 18-179 days. Sea level- 

 2,820 ft. 



