I. 



422 LILIACEAE. 



Calochortus Nuttallii T. & G. Nuttall's Mariposa Lily. (Fig. 1016.) 



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, s'-is' tall; leaves i / -3 / long, i"- 

 2 l /i' f wide, the lowest commonly bearing a 

 bulb in its axil; peduncles 2 / -6 / long; outer 

 perianth -segments lanceolate or ovate-lance- 

 olate, green with lighter margins, acute or 

 acuminate, shorter than the inner, some- 

 times with a dark or hairy spot within; inner 

 perianth-segments broadly obovate-cuneate, 

 \'-\y z f 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 3 // -4 // 

 long, about equalling the oblong obtuse 

 sagittate anthers; capsule about 1%' long, 

 3"-4 // thick, acuminate, the valves obliquely 

 cross-lined. 



South Dakota to Nebraska and California. 

 June-July. 



2. Calochortus Gunnisoni S. Wats. 



Gunnison's Mariposa Lily. 



(Fig. 1017.). 



Calochortus Gunnisoni S. Wats. Bot. King's 

 Exp. 348. 1871. 



Stem slender, often simple, 6 / -i5 / high. 

 Leaves usually less than \" 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 reniform, pubescent; anthers acute; cap- 

 sule narrowly oblong, narrowed at both ends, 

 about !#' long. 



South Dakota and Nebraska to Arizona and 

 New Mexico. June-July. 



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



[CAMASSIA Lindl. Bot. Reg. pi. 1486. 1832.] 



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

 large, blue, purple or white bracted flow T ers 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. 



