LILIACEAE. 
83 
Anthers fixed near the base, slightly if at all versatile; petals and sepals 
obovate-oblanceolate, not clawed, in ours mottled; nectary a shallow pit. 
3. Fritillaria. 
Bulb tunicated, anthers strictly basifixed. 
Leaves 2, basal or nearly so ; flowers nodding. 4. Erythronium. 
Leaves several, alternate; flowers not nodding. 5. Lloydia. 
1. LEUCOCRINUM Nutt. 
1. Leucocrinum montanum Nutt. In sandy soil from S. D. to Mont, and 
Colo.—Alt. 4000-6500 ft.—Denver; headwaters of Clear Creek; Boulder; 
Pike’s Peak; Colorado Springs; Larimer County; New Windsor; Table 
Rock; Howe’s Gulch; gulch west of Dixon Canon; Spring Canon; bank of 
Cache la Poudre River; Rist Canon; bluffs north of La Porte; hills west 
of Soldier Canon; vicinity of Horsetooth Gulch; Boulder; Colorado City. 
2. LILIUM L. Lily. 
Leaves linear. 1. L. umbellatum. 
Leaves lanceolate. 2. L. montanum. 
1. Lilium umbellatum Pursh. Hills, among bushes, from Hudson Bay to 
B. C., Ky. and Colo.—Baxter’s ranch; Empire. 
2. Lilium montanum A. Nelson. On hills, among bushes, from Mont, to 
Colo.—Alt. 6500-10,000 ft.—Crystal Park; West Spanish Peak; Hamor’s 
Lake, north of Durango; Larimer County; Long Gulch; Stove Prairie Hill; 
Rist Canon; Laramie River, at Sherwood’s. 
3. FRITILLARIA L. Fritillary, Tiger Lily. 
1. Fritillaria atropurpurea Nutt. On hillsides from N. Dak. to Ida., Colo, 
and Calif.—Alt. 4000-9500 ft.—Poverty Ridge, near Cimarron; Lamb’s ranch. 
4. ERYTHRONIUM. Adder’s-tongue, Dog-tooth Violet. 
1. Erythronium parviflorum (S. Wats.) Gooding. (E . grandidorum parvi- 
florum S. Wats.) On rich hillsides from Wyo. to Colo, and Utah.—Alt. 
8500-11,500 ft.—Cameron Pass; Bear Creek Divide; West La Plata Moun¬ 
tains; North Park; Grand Mesa; mountain west of North Park; source of 
Leroux; Rabbit-Ears, Larimer Co. 
5. LLOYDIA Salisb. 
1. Lloydia serotina (L.) Sweet. In exposed alpine or arctic regions from 
Mont, to Alaska and Colo.; also in the Old World.—Alt. 10,000-14,000 ft.— 
Crystal Lake; Arapahoe Peak; headwaters of Clear Creek; Red Mountain; 
Saddle Cliff, Pike’s Peak; Alpine Tunnel; Carson; West Spanish Peak; Mt. 
Hesperus; mountains above Graymont; Franklin; mountains northeast of 
Boreas. 
Family 28. CONVALLARIACEAE Link. Lily-of-the-ValleyFamily. 
Sepals and petals distinct. 
Flowers white, in terminal racemes or panicles; anthers introrse, stem simple. 
1. Vagnera. 
Flowers axillary or terminal, solitary or in small umbelliform clusters; anthers 
extrorse or opening laterally; stem branched. 
