LlLIACEAE 303 



38. LlLIACEAE Adans. Lily Family 



Flowers dioecious; some of the species woody vines. 



Inflorescence umbellate; fruit a 1-4-seeded berry 1151. Smilax, p. 324. 



Inflorescence a spicate raceme; fruit a 3-celled, ellipsoid capsule, 7-10 mm long, 



with linear-oblong seed 950. Chamaelirium, p. 304. 



Flowers perfect or monoecious. 



Leaves all, nearly or quite basal or lacking at flowering time. 

 Flowers large, the perianth segments 6-11 cm long. 



Flowers orange 1019. Hemerocallis, p. 308. 



Flowers white 1103. Yucca, p. 316. 



Flowers smaller, the perianth segments less than 6 cm long. 



Plants with solitary flowers; leaves 2, fleshy, mottled. 1076. Erythronium, p. 314. 

 Plants not as above. 



Flowers deep blue, reflexed, racemose, many, divisions of perianth united; 



leaves narrowly linear 1095. Muscari, p. 315. 



Flowers not as above. 



Leaves 2-5, usually 2 or 3, mostly 4-10 cm wide. 

 Flowers in an umbel, usually 3-6 1117. Clintonia, p. 317. 



Flowers in a raceme, several, white, very fragrant; leaves 2 or 3 



1128. Convallaria, p. 320. 



Leaves not as above. 



Stems and pedicels glandular, the glands usually blackish; leaves grass- 

 like 942. Tofieldia, p. 304. 



Stems and pedicels not glandular. 



Plants without a bulbous base; leaves lanceolate, mostly 5-15 cm long, 

 7-20 mm. wide, strongly veined; flowers many, tubular, yellowish 

 white, in a terminal, spikelike raceme; stems usually with 1 or more 



leaflike bracts 1143. Aletris, p. 324. 



Plants not as above; leaves usually narrow-linear. 



Flowers in a long, terminal raceme, usually bluish but sometimes 



white ; leaves long, linear, the widest usually 8-20 mm wide 



1087. Camassia, p. 315. 



Flowers in terminal umbels or corymbose. 



Midrib of leaves whitish; flowers corymbose 



1089. Ornithogalum, p. 315. 



Midrib of leaves not whitish; flowers all in terminal umbels. 



Bulbs globose, about 1 cm in diameter (in dried specimens), 

 without an onionlike odor; leaves present at flowering time. 



1050. Nothoscordum, p. 311. 



Bulbs elongate-ovoid, usually much larger than those of Notho- 

 scordum, with an onionlike odor; leaves absent at flowering 

 time, mostly 10-20 cm long and 3-6 cm wide; flowers many, 



white (Allium tricoceum) 1049. Allium, p. 309. 



Leaves cauline, rarely with both basal and cauline leaves. 



Flowers large, 4-10 cm in diameter, orange or maroon purple, generally spotted 



within; perianth segments all similarly colored 1072. Lilium, p. 311. 



Flowers smaller or, if large, the calyx green. 

 Leaves whorled. 



Blades of leaves parallel- veined; leaves in 2 or rarely 3 whorls; perianth seg- 

 ments all similar in color; rootstock white, tuberlike 



1135. Medeola, p. 321. 



Blades of leaves net-veined; leaves 3, in a terminal whorl; sepals green; petals 

 white, maroon or purple; rootstock dark, wrinkled. .1138. Trillium, p. 321. 

 Leaves alternate. 



