LILIACE.E. (lily FAMILY.) 509 



1. C. umbellata, Ton. Leaves 2-4, obloug, ciliate on the keel and 

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

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

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

 longer than the leaves. 



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

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

 ish yellow; ovules numerous. — Cold swamps on tlie high mountains of North 

 Carolina. June. — Sca])e 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- 

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

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

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

 — Flowers sometimes changed into bulblets. 



* Ovules sol i tar 1/ in the cells. 



1. A. tricOOCUm, 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 tiian the stamens. — 

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

 Flowers white. 



* * Ovules 2 in each cell. 



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

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

 ovary 6-tootiied. — Mountains of South Carolina. July — Scape 1°- 1 i° high. 

 ?<'lowers 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° high. Outer coats of the bulb white and scarious. 



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

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

 {IS 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 {l°-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 ; spatlie 2-leaved ; perianth longer than the stamens, white, the exterior 



