134 University of California Publications in Botany [Vol. 9 



13. LILIACEAE (Lily Family) 



Leaves mainly or entirelj'^ radical, the stems being scapes or scajjose. 

 Style 1, sometimes trifid at the summit. 



Flowers with scarious bracts and persistent perianth. 

 Flowers in terminal umbels. 



Perianth segments united at base into a tube; plants with corms 



1. Brodiaea 



Perianth segments distinctly inserted on the receptable; plants with 



tuuicated bulbs L'. Allium 



Flowers in a terminal raceme 3. Camassia 



Flowers bractless or the bracts foliaceous and perianth caducous. 

 Perianth segments of two sorts, the outer smaller and foliaceous 



4. Calochortus 



Perianth segments all alike. 



Filaments naked 5. Erythronium 



Filaments with dense yellow wool 6. Narthecium 



Styles 3, distinct to the ovary. 



Stem glandular-pubescent rising from a rootstock 7. Tofieldia 



Stems glabrous, from a tunicated bulb 8. Zygadenus 



Plants with well developed cauline leaves (the uppermost in Xeropliyllum 

 reduced to bracts). 



Leaves 2-ranked; fruit a berry 9. Smilacina 



Leaves whorled o-r in spirals; fruit a capsule. 

 Styles distinct. 



Leaves broad, entire, not rigid 10. Veratrum 



Leaves narrowly linear, serrulate, and rigid 11. Xerophyllum 



Styles united (i.e. simple). 



Nectary a shallow pit; flowers purplish-mottled 12. Fritillaria 



Nectary a linear groove; flowers white or orange l.'I. Lilium 



1. BRODIAEA 



Filaments broadened at base, their form deltoid 1. B. ixloides 



Filaments filiform 2. B. gracilis 



1. Brodiaea ixioides "Wats., Proc. Am. Acad., vol. 14, p. 238. 



1879. 



Ornithogalum ixioides Ait., Hort. Kew., vol. 2, p. 257. 1789. 



CaUiprora luteal Lindl., Bot. Eeg., t. 1590. 1833. Hook., Bot. Mag., t. 3588, 



1837. 

 CaUiprora aurantea Kellogg, Proc. Calif. Acad., vol. 2, p. 20. 1860? 



Type locality. — Not ascertained. 



Range. — Southern California northward through the Sierra to 

 Oregon. Washington? 



Z&)ie. — Transition and Canadian. 



Specimens examined. — Grass Lake, Tahoe, McGregor 8; Glen 

 Alpine, Miss Lathrop, July 19, 1909 ; Desolation Valley, Tahoe, 8,500 

 feet, Smiley 113 ; between Lake Tenaya and Tuolumne meadows in 

 moist pine forest, 8,800 feet, R. A. Ware 2665c; near Lake Tenaya, 

 8,300 feet. Hall and Babcock 3522 ; woods near Lake Tenaya, 8,200 

 feet. Smiley 693; below Suzy Lake, Tahoe, 7,500 feet, Smiley 176; 

 high mountain near Donner Pass, Torrey 517a; Peregoy's, above 



