66 Order RANALES 
2. BERBERIDACE. 
Barberry Family. 
Shrubs. Leaves spiny. 1. Berberis. 
Herbs. 
Flowers paniculate, greenish purple. 2. Caulophyllum. 
Flowers solitary, white; leaves peltate. 3. Podophyllum. 
= 1. Berberis. 432. 
Leaves simple; berries scarlet. 1. B. vulgaris. 
Leaves pinnate; berries blue or purple. 2. B. aquifolium. 
1. Berberis vulgaris L. Common Barberry. 
This plant is the alternate host of the stem rust of wheat, and the 
government is trying to eradicate it. In connection with this 
work it has been found that the plant has escaped and is growing 
wild in groves, especially under conifers in several places in the 
eastern part of the state. Ceresco; Hartington; Nebraska City; 
Norfolk; Prosser; Tecamah; Weeping Water. 
2. Berberis aquifolium Pursh. Oregon Grapes. 
A xerophyte of the northwestern part of the state. Belmont; Har- 
rison; Pine Ridge; Squaw Butte. 
2. Caulophyllum. 433. 
1. Caulophyllum thalictroides (L.) Michx. 
Rare in wooded ravines along the Missouri. Bellevue; Newcastle. 
3. Podophyllum. 433. 
1. Podophyllum peltatum L. May-apple. 
In woods, mostly along the Missouri River. Brownville; Nebraska 
City; Nemaha; Richardson county. 
3. MENISPERMACE-. 
Moonseed Family. 
1. Menispermum. 434. 
1. Menispermum canadense L. Moon-seed. 
Common in open woods and thickets in the eastern part of the state. 
Crete; Ewing; Fairbury; Fremont island; Grand Island; Lincoln; 
Peru; Ponca; Red Cloud; Washington. 
4. NYMPH ACE. 
Water-lily Family. 
Leaves not peltate. 
Flowers yellow, petals shorter than the stamens. 1. Nympheza. 
Flowers white, petals longer than the stamens. 2. Castalia. 
Leaves peltate, carpels contained in pits in the enlarged receptacle. 
3. Nelumbo. 
1. Nympheza. 406. 
1. Nympheza advena Soland. Yellow Pond-lily. 
Formerly found in ponds throughout the state, but has been de- 
