82 LI LI ACE A E 



1. ALLIUM L. 



Ovule I in each cavity. i. A. tricoccKfn. 



Ovules 2 in each cavity. 

 Bulbs with membranous outer coats. 

 Umbel horizontal or nodding- during anthesis : plants scapose. 



2. A. cernuuvi. 

 Umble erect : plants caulescent. 



Sepals not keeled : inner filaments toothed under the anthers. 



3. A. vineale. 

 Sepals keeled : inner filaments not toothed. 4. A. carinatum. 



Bulbs with fibrous outer coats. 5. A. Canadense. 



1. Allium tricoccum Ait. W11.D Leek. (Man. p. 262 ; I. F.y. 992.) 

 In rich woods, N. B. to Minn., N. C. and Tenn. — Pefiusylz'ania : Phila- 

 DEivPHiA, Wissahickon ; Delaware ; Lancaster ; Dauphin ; Berks ; 

 Blair; Clearfield; Allegheny; Somerset; Bucks; Erie. 



2. AUtum cemuum Roth. Nodding Wild Oniox. (Man. p. 263; 

 I. F./. 994.) On banks and hillsides, N. Y. to Minn, and B. C. W. Va., 

 Ky., S. Dak., and in the Rocky Mts. to N. Mex. — Pennsylvania : Hunt- 

 ingdon ; Franklin ; Lancaster ; Perry ; Allegheny. 



3. Allium vineale L- Wild or Field Garlic. (Man. p. 263 ; I. F. 

 f. 996.) In fields and meadows, Conn, to Ohio, Mo. and Va. Nat. from 



Eu. — Pennsylvania : Northampton ; Lancaster ; Franklin ; Hunt- 

 ingdon ; Delaware ; Allegheny. 



4. Allium carinatvun L. Keeled Garlic. ( Man . p. 1046. ) Infields, 

 eastern Pa. Introduced from Eu. — Pentisylvania : Bucks. 



5. Allium Canadense L. Meadow Garlic. (Man p. 263; I. F. 

 f- 997-) lu meadows and thickets, Me. to Minn., Fla., La. and Ark. — 

 Pennsylvania : Lancaster ; Huntingdon ; Fr.\nklin ; Delaware ; 

 York ; Allegheny. 



2. LILIUM L. 



Flower or flowers erect : sepals and petals narrowed into claws. 



I. L. Philadelphicum. 

 P'lower or flowers horizontal or nodding: sepals and petals without claws. 

 Leaf-blades finely roughened on the margins and nerves beneath : sepals 



and petals not recurved. 2. L. Canadense. 



Leaf-blades smooth : sepals and petals recurved. 3. L. snperbum. 



1. Lilium Philadelphicum L. Red or Wood Lily. (Man. p. 265 ; 

 1. F.y. /ooj.) In dry woods, Me. to Ont., N. C and W. Va. — Pennsyl- 

 vania : Monroe ; Tioga ; Huntingdon ; Somerset ; Franklin ; Lan- 

 caster ; Lackawanna ; Pike ; Northampton ; Chester ; Delaware. 



2. Lilium Canadense L. Wild Yeli^ow Lily. Canada Lilv. 

 (Man. p. 265 ; I. F. /. 1006.) In swamps and meadows, N. S. to Minn., 

 Ga. and Mo. — Pennsylvania : Northampton ; Bucks ; Del.a.ware ; 

 Franklin ; Luzerne ; Huntingdon ; Venango ; Somerset ; Lan- 

 caster ; Chester ; Allegheny. 



3. Lilium superbum L. Turk's-cap Lily. Man. p. 265; I. F. 

 /". lOoS.) In meadows and marshes, Me. to Minn., N. C and Tenn. — 



