184 LILIACEJ&. 



1. 0. poxneridianum, Kunth. Bulbs densely fibrous: leaves cri spate-undulate, 

 mostly radical: flowers white, purplish-veined. Cal. (Soap-root.) 



2. 0. parviflorum, Watson. Leaves grass-like: flowers pinkish. San Diego. 



3. O. angustifoliuro, Kellogg. Leaves not undulate: white flowers. N. Cal. 



12. ODONTOSTOMTJM, Torrey. 



1. O. Hartwegd, Torr. Numerous flowers 4-6 lines long. S. N. Foot-hills. Hare. 



13. SMILACINA, Desfontaines. 



1. 8. axnplexicaulis, Nutt. Panicle close: segments and filaments similar: fragrant 



2. S. sessilifolia, Nutt. Simple zigzag raceme few-flowered: berries blue-black. 



14. MAIANTHEMUM, Weber. 



1. M. bifolium, DC. Var. (?) Zigzag stem 3-12 in. high, a F. Bay to Alaska. 



15. YUCCA, Linnaeus. 



1. Y. baccata, Torr. Leaf -margins thread-bearing: perianth campanulate. 8. CaL 



2. Y. Wbipplei, Torr. Leaf-margins serrulate: perianth rotate spreading. S. Cal. 



13. LILITJM, Linnaeus. 



Flowers horizontal to erect, spotless or finely dotted, white, purplish or pale yellow; 

 segments tapering into long narrow claws, spreading. 



Flowers becoming purple or purplish: bulb-scales not jointed 1, 2 



Flowers pale yellow, 3 in. long or more: bulb-scales jointed 3 



Flowers orange-yellow to red, spotted; segments oblanceolate to lanceolate. 



Flowers erect or horizontal, less than 2 in. long 4, 5, 6 



Flowers nodding, segments revolute ( Tiger Lilies) 7, 8, 



1. L. Wafihingtonianum, Kellogg. Bulbs becoming 6-8 in. long, the scales thin, 

 lanceolate, 2-3 in. long; stems 2-5 ft. high: leaves in several whorls (some scattered), 

 f -1 in. broad, undulate: flowers white becoming purplish, often dotted, horizontal on 

 erect pedicels; segments 34 in. long, in. wide: yellow anthers 5-6 lines long. 



2. I*, rubescens, Watson. Similar: bulb smaller, thicker, broader scales an Inch 

 long: stems 1-7 ft. high: flowers nearly white to lilac, becoming rose-purple, l-2 in. 

 long: anthers 2-3 lines long. Coast Mts., S. F. Bay to Klamath R. 



3. L. Parryi, Wats. Stem 2-5 ft. high: leaves mostly scattered, slender. S. CaL 



4. I*, parvum, Kell. Flowers few to many, erect or nearly so: anthers 1-2 lines long: 

 capsule sub-spherical, $- in. long. S. N. Mts. 4-8,000 ft. alt., N. to Or. 



5. It. maritimum, Kell. Flowers horizontal, deep reddish orange. S. F. to Hum'dt. 

 ft. I*. Bolanderi, Wats. Stems 1-2-flowered: leaves mostly in whorls, 1-2 in. long: 



flowers nearly horizontal, brownish or dull purple. Hum'dt to S. W. Or. 



