ORDER 147. LILIACE^J. 341 



ORDER CXLVIL LILIACE^E. LILYWOKTS. 



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 

 berry. Seeds albuminous. 



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

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

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

 U VULARIEjE. Style 3-cleft or 3-parted. Fruit a dry capsule. Plants with a rhizme. . .(****) 

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



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



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



a bearing a solitary, erect flower TULIPA. 2 



6 Petals equalling the sepals, with a honey-groove at base LILIUJC. 3 



b Petals equalling the sepals, with a roundish nectary at base FRITILLAUIA. 4 



6 Petals ranch larger th;i n sepals, nectary in the midst, or CALOCHORTUS- 5 



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

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



d Flowers small, in panicle of racemes, white NOLINA. 6 



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



d Flowers in a corymb, white, with bracts ORNITHOGALUM. 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 HYACINTHUS. 10 



Limb of the perianth spreading, much shorter than tube MUSCAIU. 11 



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



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



n Flowers panicled, white YUCCA. l.'j 



m Stamens straight, longer than the tubular, flame-colored perianth TUITOMA. H 



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



o Flowers cyanic, racemed FONKIA. 16 



o Flowers xanthic, terminal HKMEKOCALLIS. 17 



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



* Perianth segments united. v Flowers greenish, axillary POLYGONATUM. 13 



v Flowers pure white, on a scape CONVALLARIA. 19 



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



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



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



x Flowers 4-parted MAJANTHKMUM. 22 



]/ Stems much branched, with filiform branchlets for leaves AS^AHAGUS. 23 



y Stem forking, with oval leaves. z Fls. axillary. Berry 00 -seeded STIIEPTOFUS. 2i 



z Fls. terminal. Berry 3-6-seeded PROSARTKS. 25 



* Stem leafy. Flowers solitary, lona yellowish, drooping UVULAKIA. 26 



1. ERYTHRONIUM, L. Perianth campauulate. 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. It Lvs. 2, subradical. Scape 1- oo-flwd. Flowers nodding. 



1 K. Americanum Sm. Yellow E. Bulb deep in the ground, sending up a scape 



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

 a handsome drooping yellow flower at top. Woods. 3 5 r . April, May. 

 p.*bracttatuni. Leaves very unequal ; scape with a bract near the flo\ver. Vt. 



2 E. a Ibid 11 m 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. TULIPA, Tourn. TULIP. Perianth campanulate. Sta. short, subu- 



