Liliaceae. Lily Family. 
CouwA » 
Ferennial nerbs with cewms, bulbs or rootstocks. Stems simple or 
branching and leafy or otten scapelike, the leaves being tnen chiefly or 
wholly basal and linear. Flowers solitary or clustered, commonly in racemes 
or umbels, mostly regular and perfect; perianth with 6 subequal segments, 
A alike in shape and color, less often differentiated into sepals and petals; 
bi stamens 6, hypogynous or adherent to the perianth at its base. Ovary superior, 
bs S-chatihered styles 3:or1l;if one, either entire or 3-cleft. Fruit a capsule 
a or berry, the capsule coumonly loculicidal. (Perianth segments 4, stamens 4, 
ovary 2=chambered in Maianthemum, ) . Ht 
O Plants having more or less ovoid corms or bulbs, the coats of which 
4 are membranous or Fibrous or else seashy 
4 
2 Flowars in umbels at the a a @ leafless stalk 
4. FPerignth segments nearly digtinct; herbage usually with 
8 the odor and flavor of okions 
4 Perianth segments joined to foNm a short tube; herbage 
g without marked odorg—<* 2. Trita 
\ 4a 
p;Piowers in-vacemes” or Stlitary 4 
4 2 Yerianth segments in two unlike whorls, the outer /I. : 
@ 4 sepal-like, the inner broad and petal-like, hairy Jf Calochortus 4 
2 FPerianth segments not markedly differsntiated, not ‘ 
G® hairy 
4 Stems leafy, the leaves in whorls or alternate; 
e / bulbs with fleshy scales or with grain-like 
’ Sbulblets at the base 
6 Petals strongly recurved; leaves in whorls M2. i 
/Q of 6=8 4 Lilium 
13, 
G Fetals not recurved; leaves in whorls of 2-5 4 Fritillaria 
ie © spied ia ab 
4 Stems scapelike, the leaves chiefly basal the are 
at Leak ah ) 
ty Leaves 2-3 cm. or more wide; flowers yellow, Iq. 
/O,commonly 1-3 & Erythronium 
i, Leaves rarely more than 1 cm. wide; flowers 
iQ never yellow, several to numerous 
§ Style 1, 3-lobed at the summit; flowers 
1 nies or purple, segments 20-25 mn. IS, 
long ¥. Camassia 
q f Styles 5; flowers greenish or yellowish- 
ol white or sometimes tinged with purple, 
j 
‘© \ segments 6-15 mm long@—<* 
