Order 148.— LILYWORTS. 296 



Order CXLYIII. LILIACEJ]]. Lilyworts. 



Herbs with parallel- veined leaves^ bulbous or tuberous stems ; 

 fiowers perfect, regular, generally large and richly colored ; 

 'perianth 6 (rarely 4)-parted, uniformly colored, free from the ovary; 

 ttamens 6 (rarely 4) ; anthers fixed by a point and turned inwards ; 

 style single ; ovary superior, 2 or 3-celled ; seed with fleshy albumen. 



Analysis of the Genera. 



S Plants bulbous at the base, or with a thick, woody stem (caudex) 2 



§ Plants with a rhizome, creeper, or fibrous roots 4 



2 Perianth segments united, forming a tubular flower. . . .d 

 2 Perianth segments separate, not forming a tube. , . .3 



3 Stem (or caudex) leafy at least below, few or many-flowered. . . .b 



3 Stem (scape) sheathed at base, bearing a solitary flower a 



3 Stem (scape) sheathed at base, leafless, many-flowered.. ..c 

 4 Stamens bent to one side, curved-ascending. Flowers showy. . . .e 

 4 Stamens straight, and equal in position. . . .5 



5 Perianth segments united to near the summit. . . .f 



5 Perianth segments separate, not forming a tube 6 



6 Flowers in terminal, leafless clusters, small, whitish.... g 

 6 Flowers axillary, or terminal and solitary. . . .7 

 7 Leaves thread-form, &c. . . .h. 



7 Leaves ovate, &c k 



a Flowers nodding. Wild plants. E/'ythronium. Erythronium. 



a Flowers erect. Garden plants. + Tvlip. Tu'lipa. 



b Nectary a linear groove at the base of each segment. Lihj. Lilium. 



b Nectary a round cavity at base of each seg. f Crown Imperial. Fritilla''kia. 



b Nectary none. Flowers panicled, large. Seeds many, t Yucca. Yucca. 



b Nectary none. Flowers panicled, small. Seeds 1-3. S. Nulina. Noli'na. 



c Flowers in racemes, blue or purple, t Squill. Scilla. 



c Fls. in racemes or corymbs, yellow or white. Star-Bethlehem. OiiNiTHoo^ALUM. 



c Flowers in umbels, white or roseate. Stamens straight. Garlic. Al''lium. 



c Fls. in umbels, blue. Stam. declined and curved, t Love-floicer. Agapan'thus. 



d Perianth-limb revolute, as long as the tube, f Hyacinth. Hyacin'thus. 



d Per.-limb spreading, much shorter than tube, t Grape Hyacinth. Musca''bi. 



e Segments distinct. Stamens at base valve-like, t Ai^phodel. Aspiiod'elus. 



e Segments half-united. Stamens perigynous (§ 83). t 2)a^ Z%. 1Iemeuocal''lis. 



e Segments half-united. Stamens hypogynous. t White Day-Lily. Fun'kia. 



f Fl. tubular-oblong, greenish, axillary. Jointed Solomon'' s Seal. Polyqona'tum. 



f Fl. broad bell-shaped, white, raccmed. Lily-of -the- Valley. Convalla'ria. 



