(33) 



2. Calochortus. Alternate sepals of differ- 

 enr shape; interior sepals larger. Stig- 

 mas sessile. Anthers basi-fixed. Cap. 

 sule 3-celled. 



3. Trillium. External sepals herbaceous, 



internal corolline. Stigmas almost ses- 

 sile. Fruit a berry. 



b. Style entire or 0. Stigma entire or 

 3-lobed. 



aa. Anthers basi-fixed. 



1. Prosartes. Fruit baccate ; testa of the 



seeds thin, membranaceous. 



2. Clintonia. Fruit baccate ; testa of the 

 seeds crustaceous. 



bb. Anthers versatile. 



1. Lilium. Sepals with a nectariferous lon- 

 gitudinal groove. 



2. Allium. Nectariferous grooves 0. Flow- 

 ers umbellate, before spreading enclosed 

 in a spathe. 



3. Cyanotris (Cainassia). Sepals 6, 5 as- 

 cending, 1 deflexed. Stamens ascend- 

 ing. Style declined, its base persistent. 

 Fruit a loculiciclal capsule, several 

 seeded. 



2B 



