148 MYRTALES 
2. Megapterium missouriense (Sims.) Spach. 
Dry limestone bluffs mostly along the Blue River. Beatrice; Fair 
bury; Homesville; Salem; Steele City; Wymore. 
13. Galpinsia. 662. 
1. Galpinsia lavandulaefolia (T. & G.) Small. 
On dry prairies in the western part of the state. Deuel County. 
14. Meriolix. 662. 
1. Meriolix serrulata (Nutt.) Walp. 
Common on dry prairies all over the state. Antelope County; Deuel 
County; Fairbury; Franklin; Indianola; Kearney; Neligh; Pine Ridge; 
Ponca; Plummer Ford; Sheridan County; Sioux County. 
15. Gaura. 662. 
Plants 1.5-6 dm. high, bracts persistent. 2. G. coccinea. 
Plants 6-15 dm. ‘high, bracts deciduous. 
Flowers 3-4 mm. broad, pink. 1. G. parviflora. 
Flowers 8-10 mm. broad, flowers white turhing pink. 
Stems hirsute, leaves thin. 3. G. biennis. 
Stems puberulent, leaves relatively thick. 4. G. pitcheri. 
1. Gaura parviflora Dougl. 
A common weed over the whole state. Crawford; Franklin; Lincoln; 
Newark; St. Jantes. 
2. Gaura coccinea Pursh. 
Common on dry prairies and waste places throughout the state. Bel- 
mont; Box Butte County; Hastings; Kearney; Lincoln; Ponca; Sioux 
County; Thedford; Valentine. 
3. Gaura biennis L. 
A common weed in the eastern part of the state. Broken Bow; Crete; 
Kearney; Lincoln; Seward County. 
4. Gaura pitcheri (T. & G.) Small. 
Nebraska according to Britton’s Manual. 
16. Stenosiphon. 663. 
1. Stenosiphon linifolium (Nutt.) 
In the valley of the Republican. Franklin; Red Cloud. 
17. Circaea. 663. 
1. Circaea lutetiana L. ; 
In woods mostly in the eastern part of the state. Bellevue; Dismal 
River; Franklin County; Grand Island; Pishelville; Plummer Ford. 
3. HALORRHAGIDACEAE. 
Myriophyllum. 665. 
Floral leaves small, usually shorter than the flowers, fruit smooth or 
nearly so. 1. M. spicatum. 
Floral leaves large, 5-12 mm. long, much longer than the flowers, 
fruit rough. 2. M. pinnatum. 
