FAMILIES OF PLANTS 
37 
members of the family are of no particular interest to the average 
park visitor. The following species have been identified in the park: 
Rush {Juncus) 
Juncus balticus 
Juncus brunnescens 
Juncus bufonius 
Juncus confusus 
Juncus ensifolius 
Juncus longistylis 
Juncus mertensianus 
Juncus nevadensis 
Juncus parryi 
Juncus regelii 
Juncus saximontanus 
Juncus subtriflorus 
Juncus tweedyi 
Woodrush ( Luzula ) 
Luzula campestris 
Luzula intermedia 
Luzula parviflora 
Luzula spicata 
LILY FAMILY (LILIACEAE) 
The lily family is a rather large and important family. It con¬ 
tains some edible plants, the most notable of which is the onion, and 
many ornamental flowers. The flowers, which are perfect, consist 
of a perianth (calyx and corolla combined) of six more or less simi¬ 
lar parts, six stamens, and one pistil. 
1. Flowers in umbels. Onion ( Allium )_________(p. 37) 
1. Flowers in racemes or panicles. 2. 
1. Flowers neither in racemes, panicles, nor umbels. 5. 
2. Flowers blue. Camas ( Gamassia esculenta) __________(p. 38) 
2. Flowers yellow. Tofleldia intermedia ________.___(p. 39) 
2. Flowers white or whitish. 3. 
3. Plant usually more than 2 feet tall. Beargrass ( Xerophyllum tenax)-( p. 39) 
3. Plant usually less than 2 feet tall. 4. 
4. Styles 3. Zygadenus _______(p. 40) 
4. Style 1. Solomonplume ( Smilacina ) ___.___(p. 40) 
5. Leaves only 2. Glacierlily ( Erythronium grandiflorum) _,___(p. 39) 
5. Leaves more than 2. 6. 
6. Flowers axillary. Twistedstalk ( Streptopus amplexifolius) -(p. 40) 
6. Flowers terminal. 7. 
7. Flowers yellow. Yellow fritillary ( Fritillaria pudica )_ (p. 39) 
7. Flowers purple. Purple fritillary ( Fritillaria atropurpurea) -___(p. 39) 
Onion (Allium ).—The wild onions can readily be recognized by 
their odor, which is the same as that of cultivated onions. The fol¬ 
lowing key will aid in distinguishing the different species: 
1. Leaves round. Siberian onion (Allium sibiricum ). 
1. Leaves flat. 2. 
2. Umbel nodding. Nodding onion (Allium cernuum). 
2. Umbel not nodding. 3. 
3. Bulb-coat membranous, like that of a cultivated onion. 4. 
3. Bulb-coat fibrous. 5. 
4. Leaves 2. Allium brandegei. 
4. Leaves several. Allium brevistylum. 
5. Most of the flowers replaced by bulblets. Allium rubrum. 
5. Flowers seldom replaced by bulblets. Allium nuttallii. 
