638 LILIACF.E 



1 -several-nerved segments, perigynous stamens with introrse 

 ant hers and an undivided mostly persistent style. 



* Inflorescence umbellate upon a naked scape from a bulb or corm : 

 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 Brodiaea 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, upon a 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 : leases linear, flat. 



* * * Root a bulb or corm : inflorescence racemous or paniculate : 

 fruit a loculicidal capsule. 



*- Flowers rather large, on jointed pedicels in a simple 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-obovate: 

 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. 



*- Bulb scaly : stem simple, strict leafy and leafy-bracteate : anthers 

 versatile : seeds flat, horizontal. 



8 Lilinm 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. 



