638 LILIACF 
1-s everal-nerved segments, perigynous stamens -with introrse 
ant hers and an undivided mostly persistent style. 
* Inflorescence umbellate upon a naked scape from a bulb orcorm: | 
fruit a loculicidal capsule: seeds more or less turgid, with close black 
testa. 
+ Bulb mostly tunicated: bracts broad and spathaceous. 
1 Allium Pedicels not jointed : perianth deeply parted ; segments 1-nerv- 
ed: filaments naked, in 1 row: style filiform, jointed upon the very 
short axis, seeds 1 or 2 in each cell. 
+ + Root a coated corm: bracts several, distinct: capsule scarcely 
lobed, several-seeded. 
2 Brodiwa Perianth funnelform, not contracted at the throat nor sac- 
cate at base: stamens 6, in 1 or 2 rows, with winged or naked filaments, 
or 3 and alternate with as many staminodia. 
3 Brevoortia Perianth deep scarlet with short yellowish lobes, the 
broad tube 6-saccate at base: stamens 3, with alternate broad truncate 
staminodia. 
* * Flowers on subterranean pedicels, in a sessile umbel with long 
linear scarious bracts, upona short rootstock: capsule loculicidal: 
seeds more or less turgid, with close black testa. 
4 Leucocrinum Perianth white, salverform, with very narrow tube 
and several-nerved segments: stamens 6, in 1 row: leaves linear, flat. 
* * * Root a bulb or corm: inflorescence racemous or paniculate: 
fruit a loculicidal capsule. 
+ Flowers rather large, on jointed pedicels inasimple open raceme: — 
segments several-nerved: capsule obovate or oblong: seeds black, 
several in each cell. 
5 Camassia Scapes naked: flowers blue to white; segments distinct, 
spreading: seeds several, ovate, angled. 
+ + Flowers small, racemes panicled : capsule triangular-obovyate : 
cells 1-2-seeded. 
6 Hastingsia Stems sparingly leafy, from tunicated bulbs: flowers white 
or greenish, numerous: perianth lax, scarious, the segments apparent- 
ly 1-nerved: style short. 
7 Chlorogalum Stem leafy, from a tunicated bulb: flowers white or 
pinkish, scattered; segments distinctly 3-nerved: style long. 
II Pedicels not jointed. Floral bracts none or foliaceous. 
Flowers with distinct netted-veined and deciduous segments, hy- 
pogynous stamens with more or less extrorse anthers and usually 
deciduous styles united at least at base. 
* Perianth-segments similar, naked: styles long. 
+ Bulbscaiy: stem simple, strict leafy and leafy-bracteate: anthers 
versatile: seeds flat, horizontal. 
8 Lilium Bulb-scales lanceolate: segments of the perianth oblanceolate, 
with a linear nectariferous groove, usually spotted: style undivided. 
9 Fritillaria Bulb-scales short, very thick: segments of the perianth 
lanceolate or broader, concave, often mottled; nectary a shallow pit: 
styles united, or distinct to the middle. 
