WOOTON AND STANDLEY—FLORA OF NEW MEXICO, 127 
Order 18. LILIALES. 
KEY TO THE FAMILIES. 
Styles wanting...........-....-..--------------- 18. CALOCHORTACEAE (p. 127). 
Styles present. 
Styles distinct ..........2........--. Leeeeeeee 19. MELANTHACEAE (p. 128). 
Styles united. 
Capsules septicidal; petals and sepals very unlike. 
18. CALOCHORTACEAE (p. 127). 
Capsules loculicidal; sepals and petals nearly alike. 
Sepals and petals chaffy...............--... 20. JUNCACEAE (p. 130). 
Sepals and petals not chaffy. 
Shrubby plants with caudices, or trees. 
21. DRACAENACEAE (p. 135). 
Herbs with bulbs, corms, or rootstocks. 
Plants with elongated horizontal rootstocks, 
22, CONVALLARIACEAE (p. 138). 
Plants with bulbs or corms or short erect rootstocks. 
Flowers in umbels, at first included in and later subtended 
by a scarious involucre....23. ALLIACEAE (p. 140). 
Flowers solitary or racemose (in Leucocrinum by the 
shortening of the axis apparently umbellate), without 
involucres. 
Plants from bulbs or corms....24. LILIACEAE (p. 143). 
Plants from elongated tuberous roots. 
25. ASPHODELACEAE (p. 144). 
18. CALOCHORTACEAE. Mariposa lily Family. 
1. CALOCHORTUS Pursh. Marrrosa LILY. 
Low bulbous plants with narrow grasslike leaves; flowers large, showy, pale yellow, 
lilac, or bright yellow, borne on slender glabrous scapes. 
Several species are not rare in cultivation. 
KEY TO THE SPECIES. 
Flowers bright yellow; plants low, 8 to 20 cm.; gland at the base of 
the petals longer than broad; anthers obtuse......-.-------- 1. C. aureus. 
Flowers pale yellow to lilac; plants taller, 20 to 40 cm.; glands and 
anthers various. 
Anthers obtuse; glands orbicular or nearly so; petals 35 mm. 
long or less... 2.222220 020s e eee eee eee eee eee eeee 2. C. nuttallii. 
Anthers very acute; glands much broader than long; petals 35 
to 40 mm. long..........-..----0--- 2-2 eee eee eee eee eee 3. C. gunnisonit. 
1. Calochortus aureus 8S. Wats. Amer. Nat. 7: 303. 1873. 
Tyre Locauity: ‘‘On sand-cliffs, Southern Utah.’’ 
RanGeE: Southern Utah to Arizona and northwestern New Mexico. 
New Mexico: Fort Wingate; Gallup; Farmington. Open hills, in the Upper 
Sonoran Zone. 
One of the lowest species of the genus, seldom exceeding a height of 20 cm.; leaves 
slender, very long for the size of the plant, often recurved; probably the handsomest 
of our species. 
