CAPRIFOLIACEAE. 175 



4. Flowers and fruit in continuous spikes : stamens pro- 



truding. (Wolf berry). S. occidentalis. 



Flowers in interrupted spikes : stamens not protruding. 5. 



5. Leaves hairy beneath. (Snowberry). 6. 



Leaves glabrous. S. albus laevigatus. 



6. Leaves not whitened beneath. S. albus. 

 Leaves whitened beneath. S. albus pauciflorus. 



LINNAEA. Twin Flower. 



Delicate evergreen woody trailing plants with frequent short 

 erect branches bearing few small opposite stalked crenate leaves ; 

 small funnel-shaped perfect gamopetalous fragrant white and 

 rosy flowers usually paired at the end of a slender terminal 

 peduncle; and small i-seeded capsules. 



Basal tube of corolla shorter than calyx. L. borealis. 



Slender corolla tube longer than calyx. L. borealis americana. 



ABELIA. 



Deciduous or partly evergreen shrubs with slender more or 

 less square twigs with excavated pith ; opposite low U-shaped 

 leaf-scars, connected by a cross line, with 3 bundle-traces ; small 

 somewhat spreading solitary ovoid sessile buds with several pairs 

 of loose scales, often developing into branches the first season ; 

 small ovate slightly toothed subsessile leaves : perfect funnel- 

 shaped gamopetalous flowers in axillary or terminal leafy 

 clusters ; and small dry inferior berries. 



1. Flowers in terminal panicles. 2. 



Flowers in small lateral clusters : leaves deciduous. 3. 



2. Leaves half-evergreen : flowers 20 mm. long. X A. grandiflora. 

 Leaves deciduous: flowers 15 mm. long. A. chinensis. 



3. Flowers 15 mm. long. A. Engleriana. 

 Flowers 25 mm. long. A. Graebneriana. 



LONICERA. Honeysuckle. 



Deciduous or partly evergreen shrubs or woody twiners with 

 white or yellowish brown wood with small ducts, those of the 



