Family CORNACEA 169 
22. Chaerophyllum. 674. 
1. Chaerophyllum procumbens (L.) Crantz. Spreading Chervil. 
Introduced but not common. Salem. 
3. CORNACEZ. 
Dogwood Family. 
1. Cornus. 689. 
Fruit light-blue; twigs purple and usually pubescent when young; 
stone oblique, ridged. 1. C. amomum. 
Fruit white; twigs gray, reddish or if purplish glabrous. 
Upper surface of leaves rough, young twigs slightly pubescent. 
2. C. asperifolia. 
Upper surface of leaves smooth. 
Twigs reddish. 
Young twigs villous pubescent, stone slightly oblique, longer 
than broad. 3. C. baileyi. 
Young twigs sparingly strigose; stone very oblique, broader 
than long. 4. C. stolonifera. 
Twigs gray, stone subglobose. 5. C. femina. 
1. Cornus amomum Mill. Silky Cornel, Kinnikinnik. 
In wet soil along streams. Long Pine; Peru; Pishelville; Weeping 
Water. 
2. Cornus asperifolia Michx. Rough-leaved Dogwood. 
In wet soil along streams over most of the state. Auburn; Calla- 
way; Franklin; Lincoln; Minden; Neligh; Walton; Weeping Water. 
3. Cornus baileyi Coult. & Evans. 
Dismal River; Cedar Island; St. James; Pine Ridge. 
4. Cornus stolonifera Michx. Red-osier Dogwood. 
Common in wet soil along streams throughout the state. Anselmo; 
Kearney: Lincoln; Nebraska City: Pine Ridge; Richardson county; 
Scotts Bluff county; St. James: Thedford; Valentine. 
5. Cornus femina Mill. 
Rich soil in eastern part of the state. Kearney; Wahoo. 
Subclass INFERZ. 
RUBIALES. 
Stamens usually 4; calyx and corolla lobes 4, or if 3 fruit didymous. 
1. Rubiacez. 
Stamens usually 5; calyx and corolla lobes 5, or if 3- or 4-lobed the 
leaves pinnate. 2. Caprifoliacez. 
1. RUBIACEZ. 
Madder Family. 
Shrubs or small trees; flowers densely capitate. 2. Cephalanthus. 
Herbs; flowers not capitate. 
Leaves opposite with small stipules. 1. Houstonia. 
Leaves opposite with large foliaceous stipules making them appear 
verticillate. 3. Galium. 
