508 



LILIACEAE. 



VOL. I. 



i. Calochortus Nuttallii T. & G. Nut- 

 tail's Mariposa Lily. Fig. 1269. 



Fritillaria alba Nutt. Gen. i : 222. 1818? 

 Calochortus Nuttallii T. & G. Pac. R. R. Rep. 2 : 

 124. 1855. 



Corm ovoid-oblong, 6"-io" high. Stem 

 slender, few-leaved, branched or sometimes 

 simple, 3'-i5" tall; leaves i'-3' long, i"-2i" 

 wide, the lowest commonly bearing a bulb in 

 its axil; peduncles 2'-6' long; outer perianth- 

 segments lanceolate or ovate-lanceolate, green 

 with lighter margins, acute or acuminate, 

 shorter than the inner, sometimes with a dark 

 or hairy spot within ; inner perianth-segments 

 broadly obovate-cuneate, i'-ij' long, io"-i2" 

 wide, white, lilac or yellowish, with a yellow 

 base and a purple or purplish spot, the gland 

 orbicular or oval and more or less pubescent; 

 filaments $"-4" long, about equalling the ob- 

 long obtuse sagittate anthers; capsule about li' 

 long, 3 "-4" thick, acuminate, the valves ob- 

 liquely cross-lined. 



South Dakota to Nebraska and California. June-July. 



2. Calochortus Gunnisoni S. Wats. 

 Gunnison's Mariposa Lily. Butterfly- 

 lily. Fig. 1270. 



Calochortus Gunnisoni S. Wats. Bot. King's Exp. 

 348. 1871. 



Stem slender, often simple, 6'-is' high. 

 Leaves usually less than i" wide, involute, 

 at least when dry, none of the axils bulb- 

 bearing in any specimen seen ; peduncles i'- 

 4' long; outer perianth-segments lanceolate 

 or oblong-lanceolate, scarious-margined, acu- 

 minate; inner perianth-segments similar to 

 those of the preceding species, lilac, yellow- 

 ish below the middle, purple-lined and banded, 

 the gland transverse, oblong, curved or reni- 

 form, pubescent; anthers acute; capsule nar- 

 rowly oblong, narrowed at both ends, about 

 ij' long. 



South Dakota and Nebraska to Arizona and 

 New Mexico. June-July. 



ii. QUAMASIA Raf. Am. Month. Mag. 2: 265. 1818. 

 [CAMASSIA Lindl. Bot. Reg. pi. 1846. 1832.] 



Scapose herbs, with membranous-coated edible bulbs, linear basal leaves, and rather 

 large, blue, purple or white bracted flowers in a terminal raceme. Perianth of 6 separate 

 equal spreading persistent 3~7-nerved segments. Pedicels jointed at the base of the flower. 

 Stamens inserted at the bases of the perianth-segments ; filaments filiform ; anthers oblong 

 or linear-oblong, versatile, introrse. Ovary 3-celled, sessile ; ovules numerous in each cav- 

 ity; style filiform, its base persistent; stigma 3-lobed. Capsule oval, 3-angled, loculicidal. 

 Seeds black, shining. [From quamash, the Indian name.] 



About 4 species, natives of North America. Type species : Qudmasia escitlenta Raf. 



