CAPRIFOLIACEAE (HONEYSUCKLE FAMILY) 



2 a All or at least the outer flowers of the cyme Vs-i 



in. broad SNOW-BALL. (V. opulus*) 



b Flowers about ^4 in. broad 



MAPLE-LEAVED ARROW-WOOD. (V. acerifblium.) 



3 a Some or all of flowers ^2-1 in. broad, sterile 



JAPANESE SNOWBALL. (V. tomentbsum.*) 

 b Flowers usually less than Vz in. broad, not sterile 4 



4 a Leaves 3-7 in. broad rounded or broadly ovate 



HOBBLE-BUSH. (V. alni folium.) 

 b Leaves 2-4 in. broad 5 



5 a Leaves scurfy and woolly beneath 



WAYFARING TREE. (V. lantdna*) 

 b Leaves not scurfy and woolly beneath 6 



6 a Leaves coarsely toothed, the teeth often *4 in. long, the 



veins very prominent beneath.ARROW-wooo (V . dentdtum.) 

 b Leaves finely toothed or entire 7 



7 a Leaves abruptly pointed at apex ; petioles often winged 



SHEEPBERRY. (V. lentdgo.) 

 b Leaves not abruptly pointed at apex 8 



8 a Stalk of cyme usually less than % in. long; common 



species BLACK HAW. (V. prunifblium.) 



b Stalk of cyme usually i in. or more long 9 



9 a Leaves finely and irregularly toothed; stalk shorter than 



the cyme WITHE-ROD. (V. cassinoldes.) 



b Leaves entire or obscurely toothed ; stalk as long or 



longer than the cyme .... LARGE WITHE-ROD. (V. nudum.) 



3 TRI6STEUM. 



i a Leaves strongly clasping at the base; stamens as long 



as the corolla HORSE-GENTIAN. (T. perfoliatum.) 



b Leaves scarcely clasping at the base; stamens much 

 shorter than the corolla 



SCARLET-FRUITED HORSE-GENTIAN. (T. aurantiacum.) 



4 SYMPHORICARPOS. 



i a Fruit snow-white; axillary clusters few-flowered, term- 

 inal clusters many-flowered. .SNOWBERRY. (S. racembsus.*) 

 b Fruit purplish-red ; all clusters densely-flowered 



CORALBERRY. (S. symphoricdrpos*) 



5 LONfCERA. 



1 a Erect shrubs, the flowers in pairs 2 



b Climbing or trailing shrubs 4 



2 a Leaves densely hairy beneath.HoNEYSUCKLE. (L. xylosteum*) 

 b Leaves not densely hairy beneath 3 



3 a Ovaries and fruit united in pairs ; leaves nearly ever- 



green; shrub not common 



STANDISH'S HONEYSUCKLE. (L. stdndlshii*) 

 b Ovaries and fruit not completely united ; shrub common 



in parks TARTARIAN HONEYSUCKLE. (L. tartdrica*) 



"5 



