LILIACE.E. (LILY FAMILY.) 509 



1. C. umbellata, Torr. Leaves 2-4, oblong, ciliate on the keel and 

 margins; scape pubescent ; umbel many-flowered ; flowers small (3" -4" long), 

 white spotted with green or purple ; ovules 2 iu each cell. Shady woods on 

 the mountains, Georgia, and northward. Juue. Scape 8'- 12' high, rather 

 longer than the leaves. 



2. C. borealis, Haf. Leaves obovate-oblong, ciliate on the margins, 

 acute , scape and 2 - 7-flowered umbel pubescent ; flowers (6"- 9" long) green- 

 ish velljw; ovules numerous Cold swamps on the high mountains of North 

 Carolina. June. Scape and leaves 8'- 10' high. 



5. ALLIUM, L. ONION. 



Perianth 6-parted, spreading, persistent. Stamens 6, inserted on the base 

 of the perianth. Filaments subulate, the interior ones more or less dilated at 

 the base. Ovary 3-celled. Style filiform : stigma entire. Capsule loculici- 

 dallv 3-valved. Seeds anatropous or campylotropous, single or few in each 

 cell, angled, black. Strong-scented stemless herbs, with bulbous roots, and a 

 naked scape, ending in an umbel of small Howers, from a 1 -3-leaved spathe. 

 Flowers sometimes changed into bulblets. 



* Ovules solitary in the cells. 



1. A. tricoccum, Ait. Leaves lanceolate-oblong, acute, flat, long-ta- 

 pering toward the base, early withering ; umbel small, dense, many -flowered, 

 erect; leaves of the perianth oblong, obtuse, longer than the stamens. 

 Mountains of North Carolina. July. Bulbs clustered. Scape 1 high. 



Flowers white. 



* * Ovules 2 in each cell. 



2. A. cernuum, Roth. Leaves linear, channelled ; scape angled; um- 

 bel many-flowered, nodding ; leaves of the perianth acute : stamens exserted ; 

 ovary 6-toothed. Mountains of South Carolina. July Scape 1 - H high. 

 Flowers rose-color, on slender pedicels. 



3. A. Canadense, Kalm. Leaves narrowly linear, concave ; scape te- 

 rete; umbel erect, bearing a cluster of bulblets, intermingled with a few 

 stalked rose-colored flowers ; spathe 1 - 2-leaved ; leaves of the perianth obtuse, 

 as long as the stamens ; ovary 6-toothed. Banks of rivers. June. Scape 

 1 hisrh. Outer coats of the bulb white and scarious. 



O 



4. A. mutabile, Michx. Leaves very narrow, concave; scape terete; 

 umbel erect, many-flowered; spathe 3-leaved; leaves of the perianth acute, 

 as long as the stamens, white changing to rose-color. Dry soil, Florida to 

 North Carolina. May -June. Scape 1 high. Outer coats of the bulb 

 composed of a network of fine fibres. 



5. A. vineale, L. Scape leafy at base (1- 2 high) ; leaves terete, hol- 

 low ; umbel often bulb-bearing ; alternate filaments 3-cleft. North Carolina 

 ( Curtis). Introduced. 



* * * Ovules several in each cell. 



6. A. striatum, Jacq. Leaves linear, concave ; umbel erect, 3- 10-flow- 

 ered ; spathe 2-leaved ; perianth longer than the stamens, white, the exterior 



