522 ULiACE^. (mly family.) 



Tribe V. LILIEi'E. Stvle 1, undiTidcJ (i. e. the three united throughout into one), 

 or rarely a sessile stigma. Fruit u loculiiidal pod. Seeds with a fleshy albumen. An- 

 thers iutrorse or extrorse. Sti-m commonly from u coated or scaly bulb. 

 * Leafy -stem med from a sraly bulb. 



20. Lilllum. Perianth 6-leaved, deciduous. I'od obloug, many -seeded : seeds horizontal, flat. 

 • » Scape nailed or nearly so, from a coated or rarely scaly bulb. Seeds mostly globular. 



^- Perianth of 6 separate or nearly separate divisions or sepals. 



21. Erythroiiiiiin. Flower single. St> le club-shaped. Pod obovate. 



22. Oriiiiliosuluin. Flowers corymbed, never blue or reddish. Style 3-sidcd. 

 '23. Scllla. Flowers racemed, purple or blue. Style thread-like. 



24. Allium. Flowers umbelled, from a spathe. Sepals 1-nerved. 



^- ■>- Perianth globular or ovoid, C-toothed. 



25. Muscari. Flowers in a dense raceme, numerous, small, mostly blue. 



* * * No bulb. Stem or scape several-flowered. Pod many-seeded. 

 26 llemerocallis. Perianth large, funnel-shaped; the sepals united in a narrow tub© 

 below. Stamens and long st> le declined. Seeds globular, black. 



27. Yucca. Perianth large, of 6 .separate broad divisions. Stigmas sessile. Stem woody 



and persistent: leaves persistent. Seeds flat, horizontal. Flowers paniclcd. 



28. Ufartlieciuin. Perianth G-parted, the divisions narrow, yellowish. Filaments woolly. 



Style slender. Flowers in a raceme. Leaves ccjuituut. Seeds small, long-tailed at both 

 ends. (Transition to Juncaceae.) 



1. TRILLIUM, L. TiiREE-LEAVED Nightshade. 



Sepals 3, lanceolate, spreading, herbaceous, persistent. Petals .3, larger, 

 withering in age. Stamens 6 : anthers linear, on short filaments, adnate, in- 

 trorse ; the cells opening down the margins. Styles (or ratlier stigmas) awl- 

 shaped or slender, spreading or recurved above, persistent, stigmatic down the 

 inner side. Ovary 3 - 6-angIed. Berry ovate, 3-celled (purple or red). Seeds 

 horizontal, several in each cell. — Low perennial herbs, with a stout and sim- 

 ple stem rising from a short and prasmorsc tuber-like rootstock, naked, bearing 

 at the summit a whorl of 3 ample, commonly broadly ovate, more or less ribbed 

 but netted-veined leaves, and a terminal large flower; in spring. (Name from 

 tiiUx, triple; all the parts being in threes.) — Monstrosities arc not rare with 

 the calyx and sometimes the petals changed to leaves, or with the parts of the 

 flower increased in number. 

 § 1 . Flower sessile in the bosom of the leares, erect : petals i^arijing from spatulate 



to lanceolate, l'-2' lonrj, little exceeding the sepals, witherimj-persistent (stems 



A>-V1' hi.jh). 



1. T. sessile, L. Leaves sessile, orate or rhomboidal, acute, often l)]otchcd 

 or spotted ; sessile petals erect-spreudiiKj (dark and dull purple, Aarying to green- 

 ish). — Moist woods, Pennsylvania to Wisconsin, and southward. 



2. T. recurvktum, Beck. Leaces contracted at the base into a petiole^ ovate, 

 obJonrj, or obomie : sfpals reflexed, pet.<ds pointed, the base narrowed into a claw, 

 dark purple. — Indiana to Wisconsin, and southward. 



§ 2. Flower raised on a peduncle: pdnis loithering away after blossoming. 



» Peduncle slender, erect or inclined: leaves rhombic-ovate, ubrajitljj taper-pointed, 



sessile or nearlij .so bg a ivedge-sh'ijied or acute base: petals plane. 



3. T. grandiflorum, Salisb. (Lauge White T. or Wake Ronix.) 

 Leaves rhomboid-obovate, longer than broad, barely sessile ; petals obovate. 



