82 Liliaceae 



terete, 10-25 mm. thick, spreading; heads 1-20, exceeded hy the 

 lowest hract, each 10-10 mm. in diameter; perianth 5-7 mm. 

 long, the segments subulate; stamens t>; capsule subulate, 3- 

 sided, exceeding the perianth. (J. nudosus megacephalus Torr.) 

 Occasional along streams. Los Angeles River, Davidson. 



9. J. phaeocephalus Engelm. Stems from a creeping root- 

 stock, ancipital, 3-7 dm. high; leafy; leaves flat 2-6 mm. wide, 

 often exceeding the stems ; flowers in a single or few many- 

 flowered heads; perianth segments brownish, 3-4 mm. long, 

 lanceolate acuminate; stamens 6; anthers usually exceeding the 

 filaments; style long exserted; capsule acute ; seeds ovate, close- 

 ly reticulated. 



Frequent along streams and in low brackish places. May-July. 



10. J. phaeocephalus paniculatus Engelm. A more robust 

 form of the last; heads several in a compound panicle, rather few- 

 flowered. 



With the last or in similar places. 



Family 10. 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 (>. 

 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- 



eidal capsule ; endosperm copious. 



* Fruit a capsule. 

 Herbs with bulbs or corms. 

 Flowers not umbellate. 



Stems from a tunicated bulb. 



Styles 8, distinct. l Ztqaobrug 



Styles united, more or less 3-cleft. -' ChloroqaIjUM. 



Stems from a scaly bulb. 



Perianth very showy, its segments refiexed. 9. Lii.hm. 

 Perianth segments not reriexed. 10. I-'uitii.i.ahia. 



Stems from a ci inn; Boweri showy. 11. OALOOBOSTUS. 



