122 ROSALES 



County; Long Pine; Newark; Oreopolis; Pishelville; Richardson 

 County; Wood River. 



19. Lycopus. 803. 



Calyx teeth triangular, in fruit shorter than the nutlets, bracts. 



Corolla lobes erect, stamens and style included. 1. L. virginicus. 



Corolla lobes spreading, stamens and style exserted. 2. L. uniflorus. 

 Calyx teeth subulate, in fruit longer than the nutlets, bracts some of 

 them as long as the calyx. 



Leaves incised or pinnatifid. 3. L. americanus. 



Leaves sharply serrate. 4. L. lucidus. 



1. Lycopus virginicus L. Bugle-Weed. 



Common in wet soil all over the state. Bellevue; Cams; Cody's Lake; 

 Endicott; Lincoln; Nebraska; Thedford. 



2. Lycopus uniflorus Michx. 

 Lycopus communis Bicknell. 



In moist soil probably over most of the state. Burwell; Long Pine; 

 Loup City; Red Cloud. 



3. Lycopus americanus Muhl. Water Hoarhound. 

 Common in wet soil, frequently growing along the margins of ponds 

 and streams. Banner County; Cherry County; Cody's Lakes; Endi- 

 cott; Lincoln; Nebraska City; Paddock; Thedford; Valentine. 



4. Lycopus lucidus Turcz. 



Mostly along sandy banks and margins of pools. Bassett; Burwell; 

 Callaway; Newark; Thedford; Valentine. 



20. Mentha. 804. 



Flowers in terminal spikes. 1. M. piperita. 



Flowers in axillary clusters. 2. M. canadensis. 



1. Mentha piperita L. Peppermint. 

 Long Pine. 



2. Mentha canadensis L. Wild Mint. 



In wet soil, often forming borders along streams and ponds. Banner 

 County; Cheyenne County; Lincoln; Nebraska City; Paddock; Ft. 

 Robinson; Sioux County; Whitman. 



SUBCLASS CALYCIFLORAE. 

 ROSALES. 



Flowers, if in dense globose heads, perfect. 

 Flowers regular. 



Ovary superior, or carpels not united. 

 Carpels 2-many, 



Ovules 1-4 in each carpel, carpels numerous or enclosed in. 

 the calyx tube. 1. Rosaceae. 



Ovules numerous in each carpel. 



Carpels 4-5, separate or united only at the base. 



3. Crassulaceae. 

 Carpels 2 or if more united to the top of the ovary. 



4. Saxifragaceae. 



