LILY FAMILY 267 



base of the periauth-tube ; style 1, persistent, elongated, tubular, the orifice 

 slightly 3-lobed. Capsule triangular-obovate, loculieidal. Seeds angled, black. — 

 Species one, western United States. (Greek leuco, white, and krinon, a lily.) 



1. L. montanum Nutt. Sand Lily. Leaves linear, many-nerved, 3 to 5 inches 

 long, 1/2 to '2\-^ lines broad, the bases surrounded by searious bracts; pedicels 2 

 to 6 lines long ; perianth-segments oblong, 7 to 9 lines long, the tube 2 to 5 inches 

 long. 



.Mountain valleys, northern Sierra Nevada, from Sierra Co. to Modoc and 

 Siskiyou cos., 4000 to 5000 feet. Plentiful in its special localities but the localities 

 few. Oregon and Nevada east to Nebraska. 



Locs. — Adin, M. S. Baker; Ft. Bidwell, Manning. 



Refs. — Leucockinum mont.^-NTJM Nutt.; Gray, Ann. Lye. N. Y. 4:110 (1837), type loc. 

 plains of the upper Platte River, Nuttall; Wats. Bot. King 349, pL 36, figs. 1-3 (1871). 



8. HESPEROCALLIS Gray 



Stem straight, simple, somewhat leafy, arising from a tunicated bulb. Leaves 

 narrow. Flowers in a raceme, with conspicuous searious bracts and pedicels 

 jointed at the summit. Perianth white, withering-persistent, funnelform. 6-cleft 

 into narrowly obovate segments. Stamens 6, inserted on the throat. Style e(iual- 

 ing the perianth or slightly exserted ; stigma disk-.shaped. Capsule subglobose, 

 loculieidal. Seeds numerous, horizontal, flattened, in 2 rows in the cells, jet 

 black. — Species 1, deserts of Southern California and western Arizona. (Greek 

 hesperos, western, and kallos, beauty.) 



1. H. undulata Gray. Desert Lily. Stem 1 to 2 feet high, 4 to 18-flowered ; 

 basal leaves .somewhat fleshy, carinate, wavy-margined, 1 to 2 feet long and ^,4 

 to % inch wide, the margin more or less undulate; eauline leaves few, shorter; 

 perianth 214 to 234 inches long, its tube half as long as the segments, the seg- 

 ments narrowly olDovate, 4 to 6 lines wide, with a broad 5 to 7-lineate bluish- 

 green band on the back; capsule 6 to 10 lines long, abruptly tipped with the 

 persistent style base. 



Sandy valleys or rocky hills : eastern Mohave Desert and the Colorado Desert. 

 Western Arizona. Mar. -Apr. 



Locs.— Minneola. Hall # Chandler 6829; Ludlow, Jepson 5502; Needles, Huhy Warren; 

 Santa Maria Mts., ScheJlcnger; Carrizo Creek, T. Brandegce; Salt Creek, F. Stephens. "Often 

 spoken of as exceedingly rare, but during my 1905 journey into the desert it was sending 

 up its stalks, laden witli beautiful flowers, from every sand-patch between Mecca and Palo- 

 verde on the Colorado Desert and between Bagdad and Newberry on the Mohave." — H. M. 

 Hall in litt. Vallecito, Jepson 4' Dutton. 8584. 



Ref. — HESPEROCALLIS LTNDULATA Gray, Proe. Am. Acad. 7:391 (1868), based on spms. 

 from along the Colorado River (Jessup Rapids, Neu-herry, and Fort Mohave, Cooper). 



9. ODONTOSTOMUM Torr. 



Stem flexuous, branching, from a depressed eorm. Leaves linear, mostly basal, 

 slieafbing the stem. Flowers in bracted racemes. P(»rianth with a narrow tube, 

 its segments 6, soon reflexed. Stamens 6, inserted on the throat and alternating 

 with as many short staminodia; the stamen oppo.site the lower outer segment 

 stands alone and faces the remaining 5, which approximate each other on the 

 upper side of the flower. Style 1 ; stigmas 3. Ovules 2 in each cell but only 1 

 maturing. Capsule obovate, S-Tobed, loculieidal. — Species 1. (Greek odous. tooth, 

 and stonui, month, on account of the erect subulate filaments at the throat of the 

 flower. ) 



1. 0. hartwegii Torr. Erect, 5 to 10 inches high ; basal leaves 3 to 9 inches 

 long, 2 to 5 lines wide, with caudate-attenuate apex; racemes 2 to .5 inches long; 

 bracts and bractlets subulate; periantli-tube 2 to 3 lines long, the reflexed seg- 

 ments as long or a little longer, narrowly oblong, 5 or 6-nerved. 



