LILY FAMILY 



411 



L Leucocrinum montanum Xutt. Mountain Lilv. 



Leiicocriiiiini nwntaiitiin Nutt.; A. Grav, Ann. Lye. X. Y. 

 4: 110. 1848. 



Leaves 6-15 or more, linear, 10-20 cm. long, 2-6 

 mm. wide, flat and thick, obtuse, the underground 

 portion narrower, 5-7 cm. long, sheathed b\- broad 

 scarious, acutish bracts ; flowers 4-8, white, on 

 pedicels 15-35 mm. long from the summit of the 

 rhizome ; perianth-tube, very slender, 5-7 cm. 

 long ; perianth-segments linear-lanceolate, 20-25 

 mm. long; stamens scarcely half the length of 

 the perianth-segments; anthers 4-6 mm. long; 

 styles slender, about equalling the stamens ; cap- 

 sule somewhat wrinkled, truncate at apex, 6-8 

 mm. long; seeds 4-6 in each cavity. 



In low moist ground, .\ii<l Transition Zone; Oregon 

 and northern California to Colorado and New Mexico. 

 Type locality : plains of the upper Platte River. 



Fig. 1007, 



12. HESPEROCALLIS A. Gray, Proc. Am. Acad. 7: 390. 1867. 



Stout erect plants, with a tunicated bull), mainly Ijasal linear leaves and large funnel-form 

 flowers in an elongated simple raceme, subtended by large scarious bracts. Pedicels jointed 

 at apex. Perianth of 6 spatulate segments, united below the middle into a tube, closely 5-7- 

 nerved. Stamens 6, inserted on the throat ; filaments filiform, equal, shorter than the peri- 

 anth-seginents ; anthers versatile, linear. Ovary sessile, oblong; ovules numerous; style 

 filiform, equalling the perianth-segtnents, persistent ; stigma depressed capitate, slightly lobed. 

 Capsule subglobose. deeply 3-lobed, loculicidally dehiscent, the valves rather thick. Seeds 

 horizontal, flattened, w^ith a dull black seed coat. [Greek, meaning western beauty.] 



A monotypic genus of the desert regions of southern California and Arizona. 



1. Hesperocallis undulata A. Gray. Desert Lily. Fig'. 1008. 



Hcsperocallis undulata A. Grav, Proc. Am. Acad. 7: 

 391. 1867. 



Bulb ovoid ; stem erect, stout, simple or 

 sometimes with 1 or 2 branches at the base of 

 the inflorescence ; basal leaves linear-lanceo- 

 late, 20-40 cm. long, 10-15 mm. wide, glabrous, 

 undulate on the margins, the 2 or 3 stem leaves 

 reduced and attenuated above; raceme 10-30 

 cm. long, elongating with age and many- 

 flowered, but only a few flowering at one time, 

 the flowers soon withering and deciduous by 

 means of the jointed pedicel ; bracts broadly 

 ovate, 10-15 mm. long, abruptly short- 

 acuminate; pedicels about 10 mm. long; per- 

 ianth-segments 30-40 mm. long, iS mm. broad, 

 somewhat spreading, tlie tube scarcely half the 

 length of the segments; anthers 7 mm long; 

 capsule 15 mm. long, acute by the persistent 

 style-base, the valves transversely ridged ; 

 seeds about 5 mm. broad. 



Dry desert slopes usually in sandy soil, Lower 

 Sonoran Zone: Arizona west to the Imperial \"alley. 

 southern California. Type locality: Jessuj) Rapids, 

 Arizona. 



