76 LILIACEAE. 



Family 13. LILIACEAE. Lily Family. 



Scapose or leafy-stemmed herbs from bulbs or corymbs 

 or rarely with rootstocks or a woody caudex. Leaves 

 various. Flowers solitary or clustered, regular, mostly 

 perfect. Perianth segments 6, distinct. Stamens 6, 

 hypogynous or borne on the perianth or at the base of 

 its segments; anthers 2-celled, mostly introrse. Ovary 

 superior, 3-celled. Ovules few or numerous, in each 

 cavity; styles united; stigma 3-lobed. Fruit a loculi- 

 cidal capsule; endosperm copious. 



Herbs with bulbs or corms. 

 Flowers not umbellate. 



Stems from a tunicated bulb. 



Styles 3, distinct. 1. Zygadenus. 



Styles united, more or less 3-cleft. 2. Chlorogalum. 

 Stems from a scaly bulb. 



Perianth very showy, its segments 



reflexed. 9. Lilium. 



Perianth segments not reflexed. 10. Fritillaria. 



Stems from a corm; flowers showy. 11. Calochortus. 



Flowers umbellate. 



Perianth segments distinct or nearly so. 

 Odor and taste alliaceous; ovules 1 



or 2 in each cell. 3. Allium. 



Odor and taste not alliaceous; 

 ovules several in each cell. 

 Flowers greenish-white. 4. Muilla. 



Flowers yellow. 5. Bloomeria. 



Perianth segments united below into a 

 tube. 

 Stamens 6. 



Perianth-tube more or less in- 

 flated; inner stamens appen- 



daged. 6. Dichelostemma. 



Perianth-tube funnelform; sta- 

 mens unappendaged. 8. Tritelia. 

 Stamens 3; staminodia 3. 7. Hookera. 

 Herbaceous or with woody caudex, not arising 

 from bulbs or corms. 

 Plants with short stout woody caudex and 



large panicle of showy flowers. 12. Hesperoyucca. 



Leaves scale-like ;branchlets numerous, fili- 

 form. 13. Asparagus. 



