ORDER 147. LILIACEJE. 341 



ORDER CXLVIL LILIACE^E. LILYWORTS. 



Herbs with bulbous or tuberous stems, parallel-veined, sessile leaves, and 

 perfect, regular flowers, with the perianth uniformly colored and free from 

 the ovary. Stamens 6 (4 in Majanthemum), perigynous. Anthers introrse 

 (except in Uvularia). Styles wholly or partly united. Fruit a capsule or 

 beny. . Seeds albuminous. 



g LILIACEJ3 proper. Style entire. Fruit a dry capsule. Plants with a scaly or coated bulb ...(*) 

 g ASPHODELE^E. Style entire (or 0). Fr. a dry capsule. With a caudex, root-crown, or rhiz...() 

 CONVALLARINE^E. Style entire. Fr. a colored berry. Plants with a rhiz. or fibrous roots. . .(***) 

 S UVULARIE^E. Style 3-cleft or 3-parted. Fruit a dry capsule. Plants with a rhizme. ..(****) 

 Stem leafy above as well as at the base. Bulbs scaly. . .(&) 



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



* Stem (scape) sheathed at base, a bearing a single nodding flower ERYTHHOWIUIC 1 



a bearing a solitary, erect flower TULIPA. 2 



6 Petals equalling the lepals, with a honey-groove at base LILIUM. 3 



1> Petals equalling the sepals, with a roundish nectary at base FRITILLARIA. 4 



b Petals much larger than sepals, nectary in the midst, or CALOCHORTU*- 6 



c Perianth segments united, forming a tubular flower. . .(e) 

 c Perianth segments distinct, not forming a tube...(d) 



d Flowers small, in a panicle of racemes, white NOLIXA. 6 



d Flowers in a simple raceme, mostly blue SCILLA. 7 



d Flowers in a corymb, white, with bracts ORNITHOG ALUM. 8 



d Flowers in an umbel, white or roseate, with 24 bracts ALLIUM. 9 



e Limb of the perianth revolute, as long as the tube HTACINTHUS. 10 



e Limb of the perianth spreading, much shorter than tube M use ARI. 11 



** Perianth segments united more or less into a tube. . .(m) 



** Perianth segments distinct. n Flowers racemed, small, yellow SCHJENOLIRIOIT. 12 



n Flowers panicled, white YcCCA. 13 



m Stamens straight, longer than the tubular, flame-colored perianth TRITOMA. 14 



m Stamens all curved upward. o Flowers in an umbel AGAPANTHUS. 15 



o Flowers cyanic, racemed..... FUNKIA. 16 



o Flowers xanthic, terminal HKMEROC ALLIS. 17 



** Perianth segments separate, not forming a tube...() 



*** Perianth segments united. v Flowers greenish, axillary PoLYGONATUif. 18 



. e Flowers pure white, on a scape CONVALLARIA. 19 



Scape leafless, bearing an umbel. Berry blue, 2-celled CL.INTONIA. 20 



Stem leafy, bearing the flowers solitary or in pairs. Berries red...(y) (See p. 447.) 



Stem leafy, bearing a white cluster. x Flowers 6-parted SMILACINA. 21 



<K Flowers 4-parted. MAJANTIIKMUJC. 22 



y Stems much branched, with filiform branchlets for leaves ASPARAGUS. 23 



y Stem forking, with oval leaves. s Fls. axillary. Berry 00 -seeded STP.KPTOPUS. 24 



V Fls. terminal. . Berry 3-6-seeded PROSABTKS. 25 



*** Stem leafy. Flowers solitary, long, yellowish, drooping UVULARIA. 26 



1. ERYTHRONIUM, L. Perianth campanulate. Seg. recurved, the 

 3 inner ones (petals) usually with a callous tooth attached to each side at 

 base, and a groove in the middle. Style long. Caps, somewhat stipitate, 

 seeds ovate, 1$ Lvs. 2, subradical. Scape 1 - oo-flwd. Flowers nodding. 



1 li. Amcricanum Sm. Yellow E. Bulb deep in the ground, sending up a scape 



which bears 2 unequal, lanceolate, mottled leaves at the surface of the ground, nnd 

 a handsome drooping yellow flower at top. Woods. 3 &. April, May. 

 /3. bracte'atvm. Leaves very unequal ; scape with a bract near the flower. Vt. 



2 E. albidum N. White E. Scape naked, bearing a white drooping flower ; petals 



without teeth, narrowed to the base. Wet meadows, N. Y. to Wis. May, June. 



2. TULIP A, Tourn. TULIP. Perianth campanulate. Sta. short, subu- 



