FAMILIES OF PLANTS 
95 
1. Flowers yellow or purplish. 2. 
1. Flowers white. 3. 
2. Leaves ternate or twice ternate. Flowers yellow. Cogswellia platycarpa. 
2. Leaves finely dissected. Flowers purple or yellow. Indian-balsam ( Lepto • 
taenia multifida ). 
2. Leaves 2 or 3 times pinnate. Flowers yellow. Cymopterus fendleri. 
2. Leaves once pinnate. Flowers greenish yellow or dull purple. Angelica 
pinnata. 
3. Fruits bristly on the ribs. Aniseroot ( Washingtonia divaricata). 
3. Fruits smooth. 4. 
4. Leaves ternately compound, very large. Cow-parsnip ( Heracleum lanatum). 
4. Leaves once or twice ternate then twice pinnate. Lovage ( Ligusticum flli- 
cinum). 
4. Leaves twice pinnate. Poisonous. Western water hemlock ( Clout a occi¬ 
dental^) . 
4. Leaves once pinnate. 5. 
5. Plant stout, growing in water or in very wet places. American waterparsnip 
(Siam cicutaefolium ). 
5. Plant slender, not growing in water or in very wet places. Yampa ( Carum 
gairdneri ). 
In addition to the above species Angelica lyallii and Phello'pterws 
montcmm have been reported in the park. 
DOGWOOD FAMILY (CORNACEAE) 
A small family of herbs, shrubs, and small trees with simple, 
entire opposite leaves and clusters of relatively small flowers. The 
family is represented here only by Red-osier dogwood (Cornus 
stolonifera ), a shrub, 3 to 6 feet high, with the young branches 
bright red-purple and smooth. The leaves are ovate, rounded at the 
base, short-pointed at the tip, whitish underneath and roughened on 
both sides by very short hairs. 
WINTERGREEN FAMILY (PYROLACEAE) 
A family of small plants, most of which remain green the year 
round. The flowers have a 4- or 5-lobed calyx, 5 petals, 10 stamens, 
and 1 pistil. The fruit is a capsule with many seeds. The seven 
species found in the park may be distinguished by means of the 
following key: 
1. Stems leafy. Flowers white or pinkish. Green Fipsissewa (CMmaphila 
umbellata). 
1. Leaves all or mostly basal. 2. 
2. Flowers solitary. Woodnymph (Moneses uniflora). 
2. Flowers several. 3. 
3. Flowers pink or purple. Pyrola uliginosa . 
3. Flowers white or greenish. 4. 
