268 LILIACEAE 



Dry hard soil : Sierra Nevada f ootliills 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, Seller 7846; near Chico, E. M. Austin; Auburn, Sonne; Rose Sprs., Placer Co., M. H. 

 Gates; Angels Camp, Davy; Chinese Camp, Jepson 6312; Agua Fria Caiion, Mariposa Co., 

 Congdon. 



Refs. — Odontostosium habtwegh Torr. Pae. R. Rep. 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 tlie linear-elongated leaves from a tunicated 

 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 locnlicidal ; 

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



lily.) 



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



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



1 . S. album Dur. Scape % to 5 feet high ; leaves flat, 14 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. 



ilountain 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; Red Hill, Del Norte Co., Jepson 2902 (petals soon reflexed and the 

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

 Valley, vi. 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., S. M. Austin 739; Snake Lake Valley, Plumas Co., Hall 9300. 



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

 City, Pratten. Eastingsia 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, Cnsick 2912. 



Refs. — SCHOENOLIRION BR.\CTEOSUM Jepson. Eastingsia braeteosa Wats. Proc. Am. Acad. 

 20:377 (1885), t}'pe loc. Eight Dollar Mt., Curry Co., Ore., Eoivell. 



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, loeulieidally 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. Icichtlinii. 



