268 LILJACEAE 



Dry hard soil : Sierra Nevada foothills from Mariposa Co. to Butte Co. ; local 

 in the foothills of the middle and inner North Coast Ranges (Napa Co. and 

 Tehama Co.) ; 400 to 1300 feet. May. 



Locs. St. Helena, Jepson; Manzanita Flat, Dibble Creek, w. Tehama Co., Jepson; Bed- 

 ding, Heller 7846; near Chieo, B. M. Austin; Auburn, Sonne; Eose Sprs., Placer Co., M. H, 

 Crates; Angels Camp, Davy; Chinese Camp, Jepson 6312; Agua Fria Canon, Mariposa Co., 

 Congdo-n. 



Eefs. ODONTOSTOMUM HABTWEGII Torr. Pae. B. Bep. 4:150, pi. 24 (1857), type loc. lone 

 Valley, Bigelow; Jepson, Erythea, 2:157 (1894), Fl. W. Mid. Cal. 114 (1901). 



10. SCHOENOLIRION Torr. 



Stem simple, scapose, this and the linear-elongated leaves from a tuiiicated 

 bulb. Raceme elongated, densely many-flowered, with 1 or 2 short supplementary 

 racemes below. Flowers on very short pedicels jointed at the summit. Perianth 

 white, becoming scarious, persistent ; segments 6, distinct, oblong, 3-nerved. Sta- 

 mens 6, adnate to the base of the perianth-segments. Ovary ovate, short-stipi- 

 tate, the cells 2-ovuled. Style persistent; stigma 3-cleft. Capsule loculicidal; 

 seeds black. Species 5, North America. (Greek schoinos, a rush, and lirion, a 



my.) 



Outer bulb-coat fibrous; perianth-segments linear-oblong 1. S. album. 



Outer bulb-coat membranous; perianth-segments lanceolate 2. S. bracteosum. 



1. S. album Dur. Scape % to 5 feet high ; leaves flat, y 2 to 2 feet long, 2 

 to 6 lines wide; perianth white, tinged or tipped with green, pink or lilac, its 

 segments linear-oblong, obtuse, 2^ to 3 lines long ; stamens about equaling the 

 perianth ; ovary slightly 6-lobed ; style slightly 3-cleft ; capsule globose-ovate, 3 

 lines long. 



Mountain swamps, northern Sierra Nevada from Plumas Co. to Mt. Shasta, 

 thence southwest to Mendocino Co. ; 3500 to 7000 feet. Southern Oregon. Apr.- 

 July. 



Locs. Bed Mt., n. Mendocino Co., Bolander 6559 ; Trinity Summit, Davy 5855 ; Forks of 

 Salmon, Jepson 2082; Bed Hill, Del Norte Co., Jepson 2902 (petals soon reflexed and the 

 membranous margins involute along the green midvein; perhaps a distinct form) ; Quartz 

 Valley, w. Siskiyou Co., Butler 790; Mt. Eddy, Copeland 3864; Sisson, Jepson 5789; Dead 

 Horse Canon, e. Siskiyou Co., M. S. Baker; Bear Valley Mts., Shasta Co., M. S. Baker 562; 

 Colby, Butte Co., E. M. Austin 739; Snake Lake Valley, Plumas Co., Hall 9300. 



Befs. SCHOENOLIRION ALBUM Dur. Jour. Phila. ser. 2, 3:103 (1855), type loc. Nevada 

 City, Pratten. Hastingsia alba Wats. Proc. Am. Acad. 14:242 (1879). 



2. S. bracteosum Jepson n. comb. Habit similar to S. album; perianth 

 segments dull white, lanceolate, acuminate, 4 to 5 lines long, the stamens about 

 half as long. 



Bogs and stream banks, north boundary of Del Norte Co. and adjacent Oregon. 

 Too little known to us. 



Loc. Highest Siskiyou Mts., Waldo-Crescent City road, Cusiclc 2912. 



Befs. SCHOENOLIRION BRACTEOSUM Jepson. Hastingsia braoteosa Wats. Proc. Am. Acad. 

 20:377 (1885), type loc. Eight Dollar Mt., Curry Co., Ore., Howell. 



11. CAMASSIA Lindl. 



Stem slender, scapose, arising from a tunicated bulb, the linear leaves basal. 

 Flowers dark blue or nearly white, in a simple raceme. Bracts scarious. Pedicels 

 jointed at the summit. Perianth-segments 6, distinct, oblanceolate, nerved, some- 

 what spreading. Stamens 6, on the base of the perianth, shorter than the seg- 

 ments. Style filiform, slightly 3-cleft at apex, the lower part persistent. Capsule 

 3-lobed, loculicidally 3-valved. Seeds several in each cell. Species 3, North 

 America. (Quamash or camass, the name of the northwest Indians.) 



Bibliog. Coville, F. V., Technical Name of the Camas Plant (Proc. Biol. Soc. Wash. 

 11:61-65, 1897). Piper, C. V., Notes on Quamasia (Proc. Biol. Soc. Wash. 29:77-82, 1916). 



Perianth-segments 3 or sometimes 5-nerved; buds gibbous on one side 1. C. quamash. 



Perianth-segments usually 5 (or 7 to 9) -nerved; buds not gibbous 2. C. leichtlinii. 



